Speed Scrub 350 Operator Manual (EN) Ss Operators

2018-08-17

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ENGLISH

SPEED SCRUB® 350
STAND-ON RIDER SCRUBBER

OPERATOR MANUAL
Hygenic® Fully Cleanable Recovery Tank
Tennant True® Parts
IRIS® a Tennant Technology
Pro-Panel® Controls
Smart-Fill™ Automatic Battery Watering
Insta-Click™ Magnetic Disk

For the latest Parts Manuals and other
language Operator Manuals, visit:
www.nobles.com/manuals

9016424
Rev. 01 (03-2018)

*9016424*

INTRODUCTION

INTENDED USE

This manual is available for each new model. It provides
necessary operation and maintenance instructions.

This machine will provide excellent service. However, the
best results will be obtained at minimum costs if:

The Speed Scrub 350 stand-on rider floor scrubber is
intended for commercial use, for example in hotels,
schools, hospitals, factories, shops, offices and rental
businesses. It is designed to scrub hard floor surfaces
(concrete, tile, stone, synthetic, etc.) in an indoor
environment. This machine is not intended for cleaning
carpets. Use only recommended pads/brushes and
commercially available floor cleaning detergents. Do not
use this machine other than described in the Operator
Manual.

• The machine is operated with reasonable care.

MACHINE DATA

Read this manual completely and
understand the machine before
operating or servicing it.

• The machine is maintained regularly - per the
maintenance instructions provided.
• The machine is maintained with manufacturer supplied or
equivalent parts.
To view, print or download manuals online visit
www.tennantco.com/manuals

Please fill out at time of installation for future reference.
Model No. Serial No. Installation Date -

PROTECT THE ENVIRONMENT
Please dispose of packaging materials
and used machine components such as
batteries in an environmentally safe way
according to your local waste disposal
regulations.

MACHINE SERIAL NUMBER LOCATION

Always remember to recycle.

Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: (800) 553-8033
www.nobles.com

UNCRATING MACHINE

1-STEP, Pro-Membrane, Severe Environment, Zone Settings, and
Quiet-Mode are trademarks of Tennant Company.

Carefully check machine for signs of damage. Report
damages at once to carrier. Contact distributor or Tennant
for missing items.

Trojan® and HydroLINIK® are registered trademark of Trojan Battery
Company.
Windows 7® is a registered trademark of the Microsoft Corporation.
This product may contain portions of software that have various 3rd party
licenses. More information can be found at:
www.tennantco.com/opensource
Specifications and parts are subject to change without notice.
Original Instructions, copyright 2017 TENNANT Company.
All rights reserved

To uncrate the machine, remove straps, wheel blocks and
shipping brackets. Using the supplied ramp carefully back
the machine off the pallet. Make sure scrub head is in the
raised position.
ATTENTION: Do not remove machine from pallet
without using ramp, machine damage may occur.
ATTENTION: Due to the center of gravity being higher
(making it easier to tip machine) for machines without
batteries installed, use care when uncrating the
machine if it does not have batteries installed. Install
batteries before moving machine from pallet.

CONTENTS
CONTENTS
Introduction ............................................................2
Intended Use ...................................................2
Machine Data ..................................................2
Machine Serial Number Location ....................2
Uncrating Machine ..........................................2
Contents ................................................................3
Important Safety Instructions - Save These
Instructions ............................................................5
Machine Components............................................8
Machine Components .....................................9
Scrub Head Types...........................................9
Control Panel Components ...........................10
Pro-Membrane Control Panel Model........10
Pro-Panel Control Model ...............................11
Machine Symbols. .........................................12
Pro-Panel Symbols .......................................13
Installing Batteries .........................................14
Battery Specifications...............................14
How The Machine Works ..............................15
Brush And Pad Information ...........................15
Machine Setup ..............................................16
Attaching Squeegee Assembly .....................16
Installing Brushes / Pads ..............................17
Filling Solution Tank ......................................18
Filling Severe Environment Detergent Tank
(Ec-H2o Model Option) ...........................19
Ec-H2o Water Conditioning Cartridge
(Ec-H2o Model) ......................................20
Filling Automatic Battery Watering Tank
(Option)...................................................21
Control Panel Operation ...............................22
Operation Of Controls Pro-Membrane Controls .........................22
1-Step Button ...........................................22
Brush Pressure Button .............................22
Solution Flow Button ................................22
Quiet-Mode Button (Option) .....................22
Severe Environment Button
(Ec-H2o Model Option) ...........................23
Preset Zone Control Buttons ....................23
Ec-H2o Button / Indicator (Option) ................24
Service Indicator ......................................24
Battery Discharge Indicator ......................24
Automatic Battery Watering Indicator
(Option) ...............................................24
Brush Change Button....................................25
Vacuum Fan Button ..................................25
Operation Of Controls - Pro-Panel Controls .26
Home Screen ...........................................26
Help Button ..............................................26
Speed Scrub 350 9016424 (03-2018)

Login Screen ............................................26
Ec-H2o Indicator (Option) .............................27
1-Step Button ...........................................27
Vacuum Fan Button ..................................27
Brush Pressure Button .............................27
Solution Flow Button .....................................28
Brush Change Button ...............................28
Severe Environment Button
(Ec-H2o Model Option)........................28
Quiet-Mode Button (Option) .....................29
Battery Discharge Indicator ......................29
Video Tutorial Button
(Operator Mode Home Screen) ...........29
Preset Zone Control Buttons ....................29
Service Indicator Button ................................30
Fault Screens ...........................................30
Machine Operation ........................................32
Pre-Operation Checklist ................................32
Operating Machine ........................................32
Double Scrubbing .........................................34
Emergency Shut-Off Button ..........................35
While Operating Machine ..............................35
Circuit Breaker Panel ....................................36
Hour Meter ....................................................36
Draining Tanks ..............................................37
Draining Recovery Tank ................................37
Draining Solution Tank ..................................38
Service Indicator Codes ................................39
On-Board Battery Charger Service Indicator
Codes .....................................................40
Ec-H2o System Service Indicator Codes
(Option)...................................................41
Maintenance .................................................42
Maintenance Chart ........................................42
Machine Maintenance ...................................44
After Daily Use ..............................................44
After Weekly Use ..........................................46
After Every 50 Hours Of Use ........................47
After Every 100 Hours Of Use ......................47
After Every 200 Hours Of Use ......................47
Electric Motors ..............................................47
Batteries ........................................................48
Maintenance-Free Batteries ..........................48
Flooded (Wet) Lead-Acid Batteries ...............48
Checking Connections / Cleaning .................48
Charging Batteries ........................................49
Battery Charger Settings ...............................50
Changing On-Board Battery Charger
Settings (Pro-Membrane Model) .........50
Hydrolink® Battery Watering System
3

CONTENTS
(Trojan® Battery Option) ........................52
Smart-Fill Automatic Battery Watering
(Option)...................................................53
Battery Compartment Drain Valve.................53
Brush And Pad Replacement ........................54
Replacing Brush(Es) Or Pad(S) On
Pro-Panel Machines ...............................54
Replacing Brush(Es) Or Pad(S) On
Pro-Membrane Panel Machines .............56
Squeegee Blade Replacement .....................57
Replacing Squeegees On Machines With
20 In. (500 Mm) Scrub Heads ................57
Replacing Squeegees On Machines With
24 In. (600 Mm) Scrub Heads ................59
Ec-H2o Water Conditioning Cartridge
Replacement ..........................................61
Jacking Up The Front Of The Machine .........63
Jacking Up The Rear Of The Machine ..........63
Pushing And Towing The Machine ................64
Transporting The Machine ............................64
Storing Machine ............................................65
Freeze Protection ..........................................65
Machine Troubleshooting ..............................67
General Machine Dimensions/Capacties/
Performance ........................................................69
Supervisor Controls ......................................72
Pro-Membrane Control Panel Model ...........72
Entering The Supervisor Control Modes ..72
Unlocked Mode 1 .....................................72
Lockout Mode 2........................................72
Lockout Mode 3........................................72
Lowest ......................................................73
Highest .....................................................73
Pro-Panel Controls Model .............................74
Entering The Supervisor Mode ................74
To Add / Edit Profiles ................................75
Enabling The Login Screen ......................77
Disabling The Login Screen .....................78
Changing The Factory-Assigned
Supervisor Login Code ........................79
Changing The Scrub Speed .....................80
Changing Preset Zone Control Buttons ...80
Changing The On-Board Battery
Charger Settings (Pro-Panel Model) ...81
Calibrating The Touch ..............................81

Speed Scrub 350 9016424 (03-2018)

SAFETY
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS
The following precautions are used throughout this
manual as indicated in their descriptions:
WARNING: To warn of hazards or
unsafe practices that could result in
severe personal injury or death.
FOR SAFETY: To identify actions that must be
followed for safe operation of equipment.
The following information signals potentially
dangerous conditions to the operator. Know
when these conditions can exist. Locate all safety
devices on the machine. Report machine damage
or faulty operation immediately.
WARNING: To Reduce the Risk of Fire,
Explosion, Electric Shock or Injury:
-

Read manual before operating machine.

Do not use or pick up flammable materials
or reactive metals.

Do not use near flammable liquids, vapors
or combustible dusts.
This machine is not equipped with an
explosion proof motor. The electric
motor will spark upon start up and during
operation which could cause a flash fire
or explosion if machine is used in an
area where flammable vapors/liquids or
combustible dusts are present.

Batteries emit hydrogen gas. Explosion
or fire can result. Keep sparks and open
flame away when charging.

Disconnect battery cables and charger
cord before cleaning and servicing
machine.

Do not charge batteries with damaged
cord. Do not modify plug.
If the charger supply cord is damaged
or broken, it must be replaced by the
manufacturer or its service agent or a
similarly qualified person in order to avoid
a hazard.

Do not use outdoors. Store indoors.

WARNING: This machine contains chemicals
known to the state of California to cause
cancer, birth defects, or other reproductive
harm.

Speed Scrub 350 9016424 (03-2018)

IRIS Telemetry - This machine may be
equipped with technology that automatically
communicates over the cellular network. If the
machine will be operated where cell phone use
is restricted because of concerns related to
equipment interference, please contact a Tennant
representative for information on how to disable
the cellular communication functionality.
FOR SAFETY:
1. Do not operate machine:
- Unless trained and authorized.
- Unless operator manual is read and
understood.
- Unless mentally and physically capable of
following machine instructions.
- Under the influence of alcohol or drugs.
- While using a cell phone or other types of
electronic devices.
- With brake disabled.
- If not in proper operating condition.
- With pads or accessories not supplied or
approved by Tennant. The use of other pads
may impair safety.
- In outdoor areas. This machine is for indoor
use only.
- In areas where flammable vapors/liquids or
combustible dusts are present.
- In areas that are too dark to safely see the
controls or operate the machine.
- In areas with possible falling objects.
- Do not place weights or heavy objects on
the operator presence pedal and/or green
go pedal.
2. Before Starting Machine:
- Check machine for fluid leaks.
- Make sure all safety devices are in place
and operate properly.
- Check steering for proper operation.
3. When using machine:
- Use only as described in this manual.
- Do not pick up burning or smoking debris,
such as cigarettes, matches or hot ashes.
- Go slowly on inclines and slippery surfaces.
- Follow site safety guidelines concerning wet
floors.
- Do not scrub on inclines that exceed 9%
grade or transport on inclines that exceed
9% grade.
- Do not turn on inclines or ramps
- Reduce speed when turning.
- Keep all parts of body inside operator station
while machine is moving.

SAFETY
- Always be aware of surroundings while
operating machine.
- Always allow head clearance when going
through doorways, low ceilings, and
overhangs.
- Drive slowly through doorways and narrow
openings, especially with the dual disk
model as squeegee extends beyond width
of machine.
- Do not access the video / help screens while
the machine is moving. (Pro-Panel)
- Use care when reversing machine.
- Keep children and unauthorized persons
away from machine.
- Do not allow machine to be used as a toy.
- Do not carry passengers on any part of the
machine.
- Report machine damage or faulty operation
immediately.
- Follow mixing, handling and disposal
instructions on chemical containers.
- Follow site safety guidelines concerning wet
floors.
4. Before leaving or servicing machine:
- Stop on level surface.
- Turn off machine and remove key.
5. When servicing machine:
- All work must be done with sufficient lighting
and visibility.
- Keep work area well ventilated.
- Avoid moving parts. Do not wear loose
clothing, jewelry and secure long hair.
- Block machine tires before jacking machine
up.
- Jack machine up at designated locations
only. Support machine with jack stands.
- Use hoist or jack that will support the weight
of the machine.
- Do not push or tow the machine without an
operator controlling the machine.
- Do not push or tow the machine on inclines
with the brake disabled.
- Do not power spray or hose off machine
near electrical components.
- Disconnect battery connections and charger
cord before working on machine.
- Do not use incompatible battery chargers
as this may damage battery packs and
potentially cause a fire.
- Inspect charger cord regularly for damage.
- Do not plug in charger if prongs are wet.
- Open recovery tank to vent batteries if
temperature is above 80ºF/27ºC when
charging batteries.

- Do not disconnect the off−board charger’s
DC cord from the machine receptacle when
the charger is operating. Arcing may result.
If the charger must be interrupted during
charging, disconnect the AC power supply
cord first.
- Avoid contact with battery acid.
- Always follow site safety rules when
disposing battery compartment liquid.
- Keep all metal objects off batteries.
- Use a non−conductive battery removal
device.
- Use a hoist and adequate assistance when
lifting batteries.
- Battery installation must be done by trained
personnel.
- Follow site safety guidelines concerning
battery removal.
- All repairs must be performed by trained
personnel.
- Do not modify the machine from its original
design.
- Use Tennant supplied or approved
replacement parts.
- Wear personal protective equipment as
needed and where recommended in this
manual.

For Safety: wear protective gloves.
For Safety: wear eye protection.
6. When loading/unloading machine onto/off truck
or trailer:
- Drain tanks before loading machine.
- Use a ramp that can support the machine
weight and operator.
- Do not drive on a slippery ramp.
- Do not operate the machine on a ramp
incline that exceeds an 18% grade level.
- Use a winch if ramp incline exceeds an 18%
grade level.
- Lower scrub head and remove squeegee
before tying down machine.
- Block machine tires.
- Tie machine down to truck or trailer.

Speed Scrub 350 9016424 (03-2018)

SAFETY
The following safety labels are mounted on the
machine in the locations indicated. Replace
damaged / missing labels.
WARNING LABEL - Located on access panel.

WARNING LABEL - Electrical
hazard. Disconnect battery
cables before servicing
machine.
Located on on-board battery
charger mounting plate.

WARNING LABEL - Batteries emit
hydrogen gas. Explosion or fire can
result. Keep sparks and open flame
away when charging.
Located on bottom of recovery tank.

1204364

WARNING LABEL - Spinning
brush. Keep hands away.
Located on top of scrub head.

WARNING LABEL - Magnetic Field Hazard.
Magnetic pad driver/brush can be harmful to
those with pacemakers or medical implants.
Located on Insta-Click magnetic pad driver/brush.

Speed Scrub 350 9016424 (03-2018)

OPERATION
MACHINE COMPONENTS

7
14

16
13

27
5

29
9

Speed Scrub 350 9016424 (03-2018)

OPERATION
MACHINE COMPONENTS
1. Steering Wheel
2. Key switch
3. Forward / Reverse switch
4. Emergency shut-off button
5. Hour meter
6. Horn button
7. Control panel
8. Speed knob
9. Operator presence pedal
10. Green go pedal
11. Solution tank
12. Solution tank fill port
13. Solution tank level / drain hose
14. Recovery tank
15. Recovery tank cover
16. Recovery tank drain hose
17. Battery compartment
18. Automatic battery watering tank (option)
19. Severe Environment detergent tank
(option - with ec-H2O option only)
20. Detergent mixing ratio knob
(option - with ec-H2O option only)
21. ec-H2O module (option)
22. ec-H2O water conditioning cartridge
(option)
23. On-board battery charger (option)
24. Circuit breaker panel
25. Squeegee assembly
26. Scrub head
27. Scrub head skirt
28. On-board battery charger power cable
29. Access panel
30. Double scrub caster knob

SCRUB HEAD TYPES

20 in. 500 mm Single Disk

24 in. / 600 mm Dual Disk

Speed Scrub 350 9016424 (03-2018)

OPERATION
CONTROL PANEL COMPONENTS
PRO-MEMBRANE CONTROL PANEL MODEL
3

6
14
5

1. Brush change button
2. Brush pressure button
3. 1-Step button
4. Solution flow button
5. Preset zone control buttons
6. Solution flow indicator
7. Vacuum fan button
8. Brush pressure indicator
9. Service indicator
10. ec-H2O Button (option)
11. Automatic battery watering indicator
(option)
12. Severe Environment button (option)
13. Quiet-mode button (option)
14. Battery discharge / fault code indicator

Speed Scrub 350 9016424 (03-2018)

OPERATION
PRO-PANEL CONTROL MODEL

18
10

12
6

1. Help button
2. Battery discharge indicator (BDI)
3. Severe Environment button (option)
4. ec-H2O button / indicator (option)
5. Service indicator / button
6. Solution flow button
7. Quiet mode button (option)
8. 1-Step button
9. Vacuum fan button
10. Brush pressure button
11. Solution flow increase button
12. Solution flow indicator
13. Solution flow decrease button
14. Brush change button
15. Preset zone control buttons
16. Video tutorial button
17. Brush pressure decrease button
18. Brush pressure indicator
19. Brush increase button

Speed Scrub 350 9016424 (03-2018)

OPERATION
MACHINE SYMBOLS.
Battery charger

ec-H2O scrubbing (option)

Fast scrub speed

Horn

Slow scrub speed

Solution flow

Direction (forward / reverse)

Automatic battery watering
(option)

Key Off

Circuit breaker

Key On

Brush pressure

Vacuum fan

Battery charge

Change brush

Severe Environment (option)

Quiet mode (option)

1-Step

Service indicator

Jack point

Filter location

Speed Scrub 350 9016424 (03-2018)

OPERATION
PRO-PANEL SYMBOLS
Home screen

Machine Settings

Factory reset

Back arrow

Operator videos

Operator

Supervisor menu

Supervisor

Control help

Video help

Add profile

Start-up video

Add / Edit profiles

Edit profile

About

Battery selection

Copy profile

Video list button

Enable login

Delete profile

Video button

Disable login

User login

Video rotate view

Calibrate touch

Enter
Backspace

Speed Scrub 350 9016424 (03-2018)

OPERATION
INSTALLING BATTERIES
WARNING: Batteries emit hydrogen
gas. Explosion or fire can result. Keep
sparks and open flame away when
charging.

3. Using the supplied battery post boots, connect
the cables to battery posts, RED TO POSITIVE
(+) & BLACK TO NEGATIVE (-). Tighten
cable connections to batteries per battery
manufacturer specifications.

BLACK

FOR SAFETY: When servicing machine, wear
appropriate personal protection equipment as
needed. Avoid contact with battery acid.
BATTERY SPECIFICATIONS

RED

Requires four 6 volt deep-cycle batteries,
≤ 240 Ah @ 20 hr.
Contact distributor or Tennant for battery
recommendations.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
1. Lift the recovery tank to access the battery
compartment.

IMPORTANT: Before charging batteries, make
sure the battery charger and the machine’s
battery discharge indicator are properly set for
battery type. Failure to properly set will result
in battery damage. See BATTERY CHARGER
SETTINGS.
ATTENTION: Do not disconnect battery cables
while charger is plugged in, circuit board
damage may result.
ATTENTION: Batteries serve as a counterweight. Always maintain the minimum
counterweight to ensure machine stability and
traction.

2. Carefully install the batteries into the battery
compartment tray and arrange the battery
posts as shown.
FOR SAFETY: When servicing machine, use
a hoist or adequate assistance when lifting
batteries.

IRIS Battery Charging Metrics Notification:
Machines equipped with capability to report
battery charging data via IRIS are supplied with
a charger and set of batteries from the factory.
When a battery reaches its end of life and must
be replaced, Tennant highly recommends that
the same battery type be used to continue to
maximize the machines performance. In the event
a battery with a different amp hour (AH), type
(Flooded, AGM, Gel), or manufacturer is selected
for replacement please contact Tennant technical
service department for assistance in determining
the feasibility of the replacement batteries and
if so, selecting the correct charging profile.
Availability of IRIS battery metric reporting is not
guaranteed with third party supplied batteries.
NOTE: If there is liquid in battery compartment,
drain battery compartment before installing
batteries. See BATTERY COMPARTMENT DRAIN
VALVE.

Speed Scrub 350 9016424 (03-2018)

OPERATION
HOW THE MACHINE WORKS

Stripping pad (Brown) - For stripping of floor
finish to prepare the floor for recoating.

Conventional scrubbing:
When using the conventional scrubbing mode,
water and detergent mixture from the solution tank
flows to the floor and the rotating brush(es)/pad(s)
scrub the floor clean. As the machine moves
forward, the squeegee with vacuum suction picks
up the dirty solution from the floor into the recovery
tank.

Polypropylene Side Brush − For general
sweeping of light to medium debris.

ec-H2O NanoClean Technology (option):
When using the ec-H2O NanoClean technology,
normal water passes through a module where it
is electrically converted into a cleaning solution.
The electrically converted water attacks the dirt,
allowing the machine to easily scrub away the
suspended soil. The converted water then returns
to normal water in the recovery tank.

Heavy duty stripping pad (Black) - Used for
aggressive stripping of heavy finishes/sealers, or
very heavy duty scrubbing.
Surface preparation pad (Maroon) - Used for
very aggressive chemical free removal of floor
finish to prepare the floor for re-coating.
Tufted pad driver - Standard pad driver has short
bristles, or “tufts,” on the back to hold the pad in
place. This driver works with all Tennant pads
except the black high productivity pad.

BRUSH AND PAD INFORMATION
For best results, use the appropriate brush or
pad for the cleaning application. Listed below are
brushes and pads and the applications for which
each is best suited.
NOTE: The amount and type of soilage play an
important role in determining the type of brush or
pad to use. Contact a Tennant representative for
specific recommendations.
Soft nylon bristle scrub brush (White) Recommended for cleaning coated floors without
removing finish. Cleans without scuffing.
Polypropylene bristle scrub brush (Black) - This
general purpose polypropylene bristle scrub brush
is used for scrubbing lightly compacted soilage.
This brush works well for maintaining concrete,
wood and grouted tile floors.
Super abrasive bristle scrub brush (Gray) Nylon fiber impregnated with abrasive grit to
remove stains and soilage. Strong action on any
surface. Performs well on buildup, grease, or tire
marks.
Polishing pad (White) - For maintaining highly
polished or burnished floors.
Buffing pad (Red) - For light duty scrubbing
without removing floor finish.
Scrubbing pad (Blue) − For medium to heavy
duty scrubbing. Removes dirt, spills, and scuffs.

Speed Scrub 350 9016424 (03-2018)

OPERATION
MACHINE SETUP

5. Machines with 20 in. (500 mm) scrub
heads only: Be sure both squeegee tabs are
positioned above the scrub head skirt.

ATTACHING SQUEEGEE ASSEMBLY
1. Lower the scrub head.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Rotate the squeegee carriage assembly to
the right side of the machine to access the
squeegee carriage.

6. Connect the vacuum hose to the squeegee
assembly.

3. Align the squeegee carriage pins into the
squeegee assembly bracket.

7. Rotate and center the squeegee assembly
underneath the machine.

4. Slide the squeegee assembly onto the
squeegee carriage until both squeegee
carriage pins are secured in the bracket.

Speed Scrub 350 9016424 (03-2018)

OPERATION
INSTALLING BRUSHES / PADS
1. Stand with both feet on the operator platform
(do not press the green go pedal), turn the
key to the ON position, and press the brush
change button to raise the scrub head to the
correct level for installing the pad(s).

WARNING: Magnetic Field Hazard.
Magnetic pad driver/brush can be
harmful to those with pacemakers or
medical implants.

Wait for the green LED light to stop flashing
and remain illuminated. See BRUSH AND PAD
REPLACEMENT.
Machines with Pro-Membrane controls:
Wait for the green LED light to stop flashing
and remain illuminated. See REPLACING
BRUSH(ES) PAD(S) ON PRO-MEMBRANE
MACHINES.
Machines with Pro-Panel controls: Follow
prompts on screen and wait for green
check mark to appear in the display. See
REPLACING BRUSH(ES) PAD(S) ON PROPANEL MACHINES.

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Attach the pad to the pad driver before
installing the driver. Secure pad with centerlock.

Machines with 3-lug brush hubs: Position
the three lugs into the motor hub slots and
give the pad driver / brush a quick counterclockwise turn to engage hub.

Replace pads or brushes when they no longer
clean effectively.
4. To remove the pad driver(s) / brush(es), repeat
Step 1, and then remove the brushes from
under the scrub head.

3. Machines with magnetic brushes or pad
drivers: Position the brush under the scrub
head and lift the brush up onto the scrub head
until the magnet in the scrub head secures the
brush.
Speed Scrub 350 9016424 (03-2018)

OPERATION
FILLING SOLUTION TANK
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
1. Remove the cap from the solution tank.

3. Fill the solution tank with water until level
reaches the 53 L (14 G) mark on the solution
tank indicator.
ec-H2O Scrubbing (Option)- Fill solution
tank with only cool clean water (less than
70°F/21°C). Do not add conventional floor
cleaning detergents. An ec-H2O system fault
will occur if cleaning detergents are added.
Conventional Scrubbing - Fill solution tank
with water (not to exceed 60°C/140°F). Pour
a recommended cleaning detergent into the
solution tank according to mixing instructions
on the container.

2. Insert the fill hose into the yellow strainer and
ensure the hose is held securely into place in
the strainer.

ATTENTION: For Conventional Scrubbing, only
use commercially approved cleaning detergents.
Machine damage due to improper detergent usage
will void the manufacturer’s warranty.
WARNING: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank(s).
NOTE: Do not use the ec-H2O system when
there are conventional cleaning detergents in the
solution tank. Drain, rinse, and refill the solution
tank with clean cool water before operating the ecH2O system. Conventional cleaning detergents will
cause an ec-H2O system fault.
4. Turn off the water supply and remove the fill
hose from the yellow strainer.
5. Replace the cap on the solution tank.

Speed Scrub 350 9016424 (03-2018)

OPERATION
FILLING SEVERE ENVIRONMENT DETERGENT
TANK (ec-H2O MODEL OPTION)
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.

3. Remove black cap from Severe Environment
tank and add a recommended cleaning
detergent at full concentration. Do not add
water.

1. Pull the access panel open to access the
Severe Environment tank.

WARNING: Flammable materials can
cause an explosion or fire. Do not use
flammable materials in tank(s).
2. Remove the Severe Environment tank from the
machine and set it on the floor.

ATTENTION: Only use commercially approved
cleaning detergents in the Severe Environment
tank. Do not use cleaners based with d-limonene.
Machine damage due to improper detergent usage
will void the manufacturer’s warranty.
NOTE: To prevent from running out of detergent
while operating, it is recommended to refill the
Severe Environment tank when refilling the
solution tank.
4. Replace cap on the Severe Environment tank.
5. Adjust the detergent mixing ratio knob
according to the cleaning detergent’s mixing
instructions.

NOTE: Remove the Severe Environment tank from
the machine before filling the tank with detergent
to prevent damaging electronic components.

Speed Scrub 350 9016424 (03-2018)

OPERATION
ec-H2O WATER CONDITIONING CARTRIDGE
(ec-H2O MODEL)
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
The ec-H2O system is equipped with a water
conditioning cartridge. The cartridge is designed
to protect the machine’s plumbing system from
potential scaling.
The cartridge is required to be replaced when it
reaches its maximum water usage or expiration
time on when the cartridge was activated, which
ever comes first.
Depending on machine usage a new cartridge can
last anywhere from 12 to 24 months.

Pro-Panel Models
Pro-Panel ModelsATTENTION: During first time
use and after replacing the water conditioning
cartridge, the ec-H2O system will automatically
override the selected solution flow rate for up to 75
minutes.

All cartridges are labeled with a manufacture date.
The shelf-life of an un-installed cartridge is one
year from manufacture date. For new cartridge
replacement, the ec-H2O module timer must be
reset. See ec-H2O WATER CONDITIONING
CARTRIDGE REPLACEMENT.

The control panel will signal the following code
when it’s time to replace the cartridge. The ec-H2O
icon will begin to blink blue and red. See SERVICE
INDICATOR CODES for further details.

Pro-Membrane Models

Speed Scrub 350 9016424 (03-2018)

OPERATION
FILLING AUTOMATIC BATTERY WATERING
TANK (OPTION)

4. Pour distilled water into tank. To avoid getting
water on sensitive components, use a funnel to
fill automatic battery watering tank.

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.

FOR SAFETY: When using machine, only
use distilled water when filling the automatic
battery watering tank.

1. Lift the recovery tank to access the automatic
battery watering tank. Drain recovery tank
before lifting tank.

5. When the tank needs refilling, the automatic
battery watering indicator will alert user to
add distilled water. See CONTROL PANEL
OPERATION for further details.

2. Reposition the automatic battery watering tank
so that it can be easily filled.

Pro-Membrane Model

Pro-Panel Model
3. Remove the blue cap from the automatic
battery watering tank.

Speed Scrub 350 9016424 (03-2018)

6. Replace blue cap on automatic battery
watering tank and return the automatic battery
watering tank to the upright stowed position.

OPERATION
CONTROL PANEL OPERATION
The control panel operation can be set up with
lockout functionality by using the Supervisor
Controls feature. This will prevent the operator
from changing or saving the settings. See
SUPERVISOR CONTROLS instructions at the
back of the manual.

SOLUTION FLOW BUTTON
Press the solution flow button to increase or
decrease the solution flow rate. The solution flow
indicator will display flow setting. No LED = No
flow, One LED = Low flow, two LED’s = Medium
flow, three LED’s = High flow.

The supervisor controls feature will lower machine
variability for consistent, repeatable cleaning
results, provide machine quality assurance
regardless of user experience, and reduce user
training requirements.
OPERATION OF CONTROLS PRO-MEMBRANE CONTROLS
1-STEP BUTTON
With key turned on, press the 1-Step button to
activate the scrub function. The scrub head and
squeegee will lower to floor. Press button again
to stop the scrub function and to raise scrub head
and squeegee.

QUIET-MODE BUTTON (OPTION)
Press the Quiet-Mode button to reduce the
vacuum motor sound. The LED will illuminate
when activated. Press button again to turn off.

BRUSH PRESSURE BUTTON
Press the brush pressure button to increase or
decrease the brush pressure. The brush pressure
indicator will display the pressure setting. One LED
= Low pressure and two LED’s = High pressure.

Speed Scrub 350 9016424 (03-2018)

OPERATION
SEVERE ENVIRONMENT BUTTON
(ec-H2O MODEL OPTION)
NOTE: When the Severe Environment mode is
turned on, the ec-H2O system will automatically
turn off and the brush pressure and solution
flow settings will increase to the high settings.
When turned off, the settings will revert back
to the original settings. When operating the
Severe Environment mode for extended periods,
if desired, the solution flow rate and the down
pressure can be decreased to a lower setting
to conserve solution and detergent usage and
optimize battery run time.

PRESET ZONE CONTROL BUTTONS
Use the zone control buttons to preset up to three
zones with different solution flow rates, brush
pressures, scrub speeds and scrub modes.
Zone 1 = Preset Zone Control Button 1
Zone 2 = Preset Zone Control Button 2
Zone 3 = Preset Zone Control Buttons 1 & 2
The zone control buttons are factory preset for
different scrubbing applications. To use Zone
3, press zone buttons 1 & 2 at the same time.
A green LED in the corner will turn on when
activated.

Press the Severe Environment button to deliver
a boost of cleaning detergent for areas with
excessive soil buildup.
Press button one time for a 30 second boost. A
green LED in the corner will blink slowly when
dispensing. During the last 5 seconds, the LED
will blink rapidly as an alert that the dispensing is
about to stop.
To deliver a continuous detergent boost, press and
hold button for 3 seconds until green LED turns
solid green. Press button at anytime to turn off.
To alert user when Severe Environment tank is
empty, the bubbles icon will blink for 15 seconds. If
button is pressed when tank is empty, the bubbles
icon will continue to blink for 15 seconds until tank
is refilled.

To preset the zone control buttons for different
scrubbing applications, select the desired settings
from list below, then press and hold the zone
button until the green LED blinks three times to
save preset. To preset zone 3, press and hold
zone buttons 1 & 2 at the same time.
-

Brush pressure setting
Solution flow rate
Quiet-Mode on or off
ec-H2O system on or off (option)
Severe Environment mode on or off (option)
Maximum scrub speed (see Supervisor
Controls)

NOTE: The Severe Environment mode and
ec-H2O system cannot be preset together.

Speed Scrub 350 9016424 (03-2018)

OPERATION
ec-H2O BUTTON / INDICATOR (OPTION)

BATTERY DISCHARGE INDICATOR

The ec-H2O system automatically turns on at each
key start. A blue ec-H2O indicator appears when
machine is equipped with the ec-H2O option. The
green LED illuminates when ec-H2O is activated.
To turn off the ec-H2O system, press the ec-H2O
button. The green LED indicator will disappear.

The battery discharge indicator (BDI) displays the
charge level of the batteries while the machine is
operating. When the batteries are fully charged,
all five indicators are lit. When the discharge level
reaches the red light, stop scrubbing and recharge
the batteries. When the red light begins to flash,
the scrub function will be disabled to protect the
batteries from total discharge. The machine will
still propel when the red light is flashing. This will
allow user to transport the machine to the charging
station.

ec-H2O INDICATOR

CONDITION

Solid green

Normal operation

Blinking blue/red

Water conditioning
cartridge expired.
Replace cartridge.

Solid or blinking red

A system fault has
occurred. See Service
Indicator Codes.

NOTE: If a fault occurs to the ec-H2O system,
the machine may automatically turn off the ecH2O system and convert over to conventional
scrubbing. The service indicator icon will remain
solid red or continue to blink red until the ec-H2O
fault is serviced.

AUTOMATIC BATTERY WATERING INDICATOR
(OPTION)
The automatic battery watering indicator will flash
when the battery watering tank is empty and needs
refilling. To protect the batteries from damage, the
machine’s scrub function will be disabled after 10
hours of additional use if tank is not refilled. When
the indicator flashes rapidly, the scrub function
will be disabled. Add distilled water and restart
key to clear the flashing indicator. See FILLING
AUTOMATIC BATTERY WATERING TANK.

SERVICE INDICATOR
When the machine or on-board battery charger
detects a fault, the service indicator will light up
and begin flashing. The battery discharge indicator
lights will also flash a fault code. See SERVICE
INDICATOR CODES to diagnose machine fault.

Speed Scrub 350 9016424 (03-2018)

OPERATION
BRUSH CHANGE BUTTON
Machines with 3-lug brushes: Press the brush
change button. The scrub head will completely
raise to allow the scrub brush(es) to be removed
from under the scrub head, and then reinstalled.

Machines with magnetic brushes: Press the
brush change button to release the brush(es) from
the scrub head. The scrub head will completely
raise to disengage the brush(es) from the scrub
head, and then partially lower to allow the
brush(es) to be removed from under the scrub
head. Reinstall brush(es) with scrub head in
partially lowered position.
VACUUM FAN BUTTON
Press the vacuum fan button to turn on the
vacuum fan. Press button again to turn off the
vacuum fan. The vacuum fan automatically turns
on when the 1-Step button is pressed.

Speed Scrub 350 9016424 (03-2018)

OPERATION
OPERATION OF CONTROLS - PRO-PANEL
CONTROLS
HOME SCREEN
There are two types of user modes that will
interface with the home screen.

HELP BUTTON
For first time users, press the help button (?) to
access the help screen. The help screen will allow
you to select a different screen language, enable
login settings, help identify control panel icons,
view machine start-up video and access machine
system information.

Supervisor Mode - Capable of machine operation
with full use of all controls, along with configuring
permissions and restrictions for the operator mode
and login capability.
Operator Mode - Capable of machine operation
with permissions and restrictions controlled by the
supervisor.
At key start up, a new machine from the factory will
automatically start up in the supervisor mode.
To configure the home screen with permissions
and restrictions and login capability for Operator
Mode, see SUPERVISOR CONTROLS
instructions at the back of the manual.
Supervisor Mode home screen provides
access to the machine settings button and to the
maximum scrub speed button.

LOGIN SCREEN
When login is enabled in the supervisor mode, a
login screen will appear at key start up. Enter your
assigned login code and press the green arrow
to access the home screen. See SUPERVISOR
CONTROLS instructions at the back of the manual
to enable login at start up.

Operator Mode home screen restricts access to
the machine settings button and maximum scrub
speed button.

Speed Scrub 350 9016424 (03-2018)

OPERATION
ec-H2O INDICATOR (OPTION)

VACUUM FAN BUTTON

The ec-H2O system automatically turns on at
each key start. The ec-H2O icon will appear on
the home screen indicating that the system is
activated. Press the ec-H2O button to turn off the
ec-H2O system. A slash mark over the icon will
indicate that the ec-H2O system is turned off.

Press the vacuum fan button to turn on the
vacuum fan. Press button again to turn off the
vacuum fan. The vacuum fan automatically turns
on when the 1-Step button is pressed.

BRUSH PRESSURE BUTTON
1-STEP BUTTON
Press the 1-Step button to activate the scrub
function. The scrub head and squeegee will lower
to floor. Press button again to stop the scrub
function and to raise scrub head and squeegee.

Press the brush pressure button to display the
brush pressure indicator. Press the (+) button to
increase brush pressure. Press the (-) button to
decrease the brush pressure.

NOTE: If brush pressure is set too high for
scrubbing conditions, the brush pressure setting
will automatically reduce to a lower setting and
begin flashing. When flashing, reduce brush
pressure to prevent brush motor overload.

Speed Scrub 350 9016424 (03-2018)

OPERATION
SOLUTION FLOW BUTTON
Press the solution flow button to display the
solution flow indicator. Press the (+) button to
increase solution flow. Press the (-) button to
decrease the flow solution or to turn it off.

SEVERE ENVIRONMENT BUTTON
(ec-H2O MODEL OPTION)
Press the Severe Environment button to deliver
a boost of cleaning detergent for areas with
excessive soil buildup.
Press button one time for a 30 second detergent
boost. The button will turn green and a 30 second
count down timer will start. Press button at anytime
to turn off.
To deliver a continuous detergent boost, press and
hold button for 3 seconds until a continuous timer
is displayed. Press button at anytime to turn off.
To alert user when the Severe Environment
detergent tank is empty, the button will blink yellow.

BRUSH CHANGE BUTTON
Machines with standard brushes: Press
the brush change button. The scrub head will
completely raise to allow the scrub brush(es) to
be removed from under the scrub head, and then
reinstalled.
Machines with magnetic brushes: Press the
brush change button to release the brush(es) from
the scrub head. The scrub will completely raise
to disengage the brush(es) from the scrub head,
and then partially lower to allow the brush(es) to
be removed from under the scrub head. Reinstall
brush(es) with scrub head in partially lowered
position.

NOTE: When the Severe Environment mode is
turned on, the ec-H2O system will automatically
turn off and the brush pressure and solution
flow settings will increase to the high settings.
When turned off, the settings will revert back
to the original settings. When operating the
Severe Environment mode for extended periods,
if desired, the solution flow rate and the down
pressure can be decreased to a lower setting
to conserve solution and detergent usage and
optimize battery run time.

Speed Scrub 350 9016424 (03-2018)

OPERATION
QUIET-MODE BUTTON (OPTION)
Press the Quiet-Mode button to reduce the
vacuum motor sound for noise restricted areas.
The button will turn green when activated. Press
button again to turn off.
NOTE: When the Quiet-Mode is activated the
water pickup will slightly be reduced.

VIDEO TUTORIAL BUTTON
(Operator Mode Home Screen)
Press the video tutorial button to access the
video tutorial screen. It includes videos on how
to perform specific operation and maintenance
procedures. Press the video buttons to start video.
Press the rotate button for additional videos. The
lower right video button provides a list of additional
tutorial videos.

BATTERY DISCHARGE INDICATOR
The battery discharge indicator (BDI) displays the
charge level of the batteries while the machine is
operating. When the batteries are fully charged,
all five indicators are lit. When the discharge level
reaches the red light, stop scrubbing and recharge
the batteries. When the red light begins to flash,
the scrub function will be disabled to protect the
batteries from total discharge. The machine will
still propel when the red light is flashing. This will
allow user to transport the machine to the charging
station.

PRESET ZONE CONTROL BUTTONS
Use the zone control buttons to preset up to four
zones with different solution flow rates, brush
pressure, scrub speeds, and scrub modes.
The four zone control buttons are factory preset for
different scrubbing applications. The zone control
button will turn green when zone is activated.
NOTE: Only the supervisor mode has the
capability to change the factory zone settings. See
SUPERVISOR CONTROLS instructions at back of
manual.

Speed Scrub 350 9016424 (03-2018)

OPERATION
SERVICE INDICATOR BUTTON
The service indicator button will flash yellow or
red when a machine fault is detected. Press the
service indicator button to view fault screen.

Flashing Blue and Red ec-H2O Screen - The
water conditioning cartridge has expired. See
ec-H2O WATER CONDITIONING CARTRIDGE
REPLACEMENT.

Flashing yellow indicates a warning that requires
service, but machine is still operable. Flashing red
indicates a fault which will shut down the machine
and require service. See FAULT SCREENS.

Yellow ec-H2O Fault Screen - Machine detected
an ec-H2O system water or plumbing fault.
Red ec-H2O Fault Screen - Machine detected an
ec-H2O system electrical fault.
FAULT SCREENS
When a fault is initially detected, the following fault
screens will automatically pop up to indicate the
fault.
Press the left and right arrow button at top of
screen to scroll through the fault screens.
Yellow machine fault screen - Machine fault has
been detected. A fault code will appear below the
fault icon. See SERVICE INDICATOR CODES.

A fault code will appear below the ec-H2O icon.
See SERVICE INDICATOR CODES.

xxxxxx
0x0708

xxxxxx
0x0741

NOTE: If a fault occurs to the ec-H2O system,
the machine may automatically turn off the ecH2O system and convert over to conventional
scrubbing. The service indicator button will
continue to flash until the ec-H2O fault is serviced.

Speed Scrub 350 9016424 (03-2018)

OPERATION
Yellow Automatic Battery Watering Fault
Screen - The automatic battery watering tank is
empty and needs refilling. To protect the batteries
from damage, the machine’s scrub function will
be disabled after 10 hours of additional use if tank
is not refilled. Add distilled water to the battery
watering tank and restart key to clear fault. See
FILLING AUTOMATIC BATTERY WATERING
TANK.
Red Automatic Battery Watering Fault
Screen - The automatic battery watering tank is
empty and needs refilling. The scrub function is
disabled until tank is refilled. Add distilled water to
battery watering tank and restart key to clear fault.
See FILLING AUTOMATIC BATTERY WATERING
TANK.

Speed Scrub 350 9016424 (03-2018)

OPERATION
MACHINE OPERATION

OPERATING MACHINE

FOR SAFETY: Do not operate machine, unless
operator manual is read and understood.

For control panel operating instructions, see
CONTROL PANEL OPERATION.

PRE-OPERATION CHECKLIST

1. Turn the key switch to the ON position.

 Check the battery fluid. Fill as necessary.
 Machines with Smart-Fill Automatic Battery
Watering option: Check the automatic battery
watering tank. Fill with distilled water as
necessary.
 Check the battery charge level. Charge as
necessary.
 Check brushes for wear and damage. Remove
wire, string, or twine wrapped around the main
scrub brushes.
 Check scrub head skirt for damage and ensure
skirt is properly positioned on scrub head.
 Clean the squeegee water trap.

2. Position both feet on the operator platform so
the heals are pressing the operator presence
pedal. The right foot is OFF the green go
pedal.

 Check the squeegee vacuum hose for debris
or blockage.
 Check the squeegees for damage and wear.
 Confirm the recovery tank is drained and
cleaned.
 Check the recovery tank cover seal for wear
and damage.
 Clean the recovery tank debris tray.
 Clean the float shut off screen.
 ec-H2O Scrubbing: Confirm all conventional
cleaning agents/restorers are drained and
rinsed from the solution tank.

3. ec-H2O models - The ec-H2O system will
automatically turn on at key start up. The ecH2O indicator will appear on the control panel
indicating that the system is activated.

 ec-H2O Scrubbing: Confirm the solution tank
is filled with clear cool water only.
 Machines with SE (Severe Environment)
option: Check detergent tank level. Fill
detergent tank as necessary.
 Check steering for proper operation.
 Check the horn.
 Check maintenance records to determine
maintenance requirements.

Speed Scrub 350 9016424 (03-2018)

OPERATION
ATTENTION: When conventional scrubbing with
cleaning detergents in solution tank, make sure to
turnoff the ec-H2O system by pressing the ec-H2O
switch. If cleaning detergent is accidentally cycled
through ec-H2O system, a system fault will occur.
To clear fault, drain solution tank, add clear water
and operate the ec-H2O system to clear fault. If
fault repeats, continue to recycle key until fault
clears. See SERVICE INDICATOR CODES for
further detail.

5. Press the 1-Step button to activate the scrub
function. The scrub head and squeegee will
lower to the floor.

Pro-Panel

Pro-Membrane

6. With the heals of both feet still on the operator
presence pedal, place right foot onto the green
go pedal to begin scrubbing.

Pro-Panel

Pro-Membrane

4. Place the forward / reverse switch into the
direction needed to travel.

7. Adjust the scrubbing speed by turning the
speed dial to the desired speed.

NOTE: If forward / reverse switch lights are
flashing rapidly, be sure right foot is not pressing
the green go pedal. The machine will not accept
input from the forward / reverse switch if the lights
are rapidly flashing.
NOTE: The forward / reverse switch must be
pressed to reset direction whenever the operator
presence pedal is released.
8. To stop scrubbing, while the machine is still
in motion press the 1-Step button to stop
scrubbing. The squeegee will briefly remain
lowered to the floor to pick up remaining water,
and then raise.
9. Remove foot from the green go pedal to stop
machine and turn the key off.
Speed Scrub 350 9016424 (03-2018)

OPERATION
DOUBLE SCRUBBING
Double scrubbing is the process of making two or
more passes over a heavily soiled area. The first
pass is made with the squeegees raised to allow
the solution to soak into the floor. Use the double
scrubbing method to clean heavily soiled areas.

Machines equipped with Pro-Panel: Press the
1-Step button and then the vacuum fan button. The
vacuum fan button will no longer be illuminated
and the vacuum fan will stop operating.

Double scrubbing can be performed using the
ec−H2O SCRUBBING SYSTEM (option) or
CONVENTIONAL SCRUBBING methods.
Loosen the double scrub caster knob, lower the
double scrub caster, and tighten the knob to
secure the squeegee into the raised position.

Scrub the heavily soiled area. Let the cleaning
solution soak on the floor for 3-5 minutes.
FOR SAFETY: When using machine, go slowly
on inclines and slippery surfaces.

Machines equipped with Pro-Membrane : Press
the 1-Step button and then the vacuum fan button.
The light in the vacuum fan will turn off and the
vacuum fan will stop operating a few seconds later.

Before scrubbing the floor a second time, loosen
the double scrub caster knob, raise the double
scrub caster, and tighten the caster knob to
secure the double scrub caster in the raised
position. Press the vacuum fan button to turn on
the vacuum fan. The light in the button will come
on. Scrub the floor a second time to pick up the
cleaning solution.
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up.
NOTE: If needed, reduce solution flow when
scrubbing the floor for a second time.
NOTE: Double scrubbing is not recommended in
areas where the cleaning solution will run under
racks or damage products.

Scrub the heavily soiled area. Let the cleaning
solution soak on the floor for 3-5 minutes.

Speed Scrub 350 9016424 (03-2018)

OPERATION
EMERGENCY SHUT-OFF BUTTON
Push the emergency shut-off button in the event
of an emergency. This red button shuts off all
power to machine. To regain power, turn the button
clockwise and restart the key.

WHILE OPERATING MACHINE
WARNING: Flammable materials or
reactive metals can cause an explosion
or fire. Do not pick up
1. Overlap each scrub path by 2 inches/5 cm.
2. Keep machine moving to prevent damage to
floor finish.
3. Wipe squeegee blades with a cloth if blades
leave streaks.
4. Avoid bumping the machine into posts and
walls.
5. To avoid damaging the squeegee, be sure
squeegee remains centered under the
machine when driving between work sites.
FOR SAFETY: When using machine, always
allow head clearance when going through
doorways, low ceilings, and overhangs.
Drive slowly through doorways and narrow
openings, especially with the dual disk model
as squeegee extends behind width of machine.
6. Avoid turning machine on inclines and ramps.
7. When draining and refilling machine, always
top off the optional Severe Environment tank
with detergent.
FOR SAFETY: When using machine, Do not
scrub on inclines that exceed 9% grade or
transport on inclines that exceed 9% grade.
8. Pour a recommended foam control solution
into the recovery tank if excessive foam
appears.
ATTENTION: Foam buildup will not activate
the float shut-off screen, vacuum motor
damage will result.
9. Use the double scrubbing method for heavily
soiled areas. First scrub the area with the
squeegee up, let solution set for 3-5 minutes,
then scrub the area a second time with
squeegee down.
10. When leaving the machine unattended, park
on level surface, turn machine off, and remove
key.
11. Do not operate machine in areas where the
ambient temperature is above 110ºF/43ºC or
below freezing 36ºF/2ºC.

Speed Scrub 350 9016424 (03-2018)

OPERATION
CIRCUIT BREAKER PANEL

HOUR METER

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.

The hour meter records the number of hours the
machine has been operated. Use the hour meter
to perform specific maintenance procedures and to
record service history.

The machine is equipped with resettable circuit
breakers to protect the machine from a current
overload. If a circuit breaker trips, disconnect the
battery cable connection and reset the breaker
by pressing the reset button after the breaker
has cooled down. Reconnect the battery cable
connection. If the circuit breaker does not reset or
continues to trip contact service personnel.
Open the access door to access the circuit breaker
panel.

Circuit
Breaker

Rating

Circuit Protected

CB1

Key switch

CB2

10 A

ec-H2O, automatic battery
watering

CB3

70 A

Propel controller

FOR SAFETY: When servicing machine,
all repairs must be performed by trained
personnel.

Speed Scrub 350 9016424 (03-2018)

OPERATION
DRAINING TANKS

4. Remove the debris tray and empty.

DRAINING RECOVERY TANK
Drain and clean the recovery tank after each use.
1. Transport the machine to drain area.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Remove the recovery tank drain hose from
the hook, hold the hose nozzle near the drain,
remove the cap from the hose, and drain the
recovery tank.

NOTE: When using a bucket to drain the machine,
do not use the same bucket to fill the solution tank.

Rinse out the recovery tank with clean water and
wipe clean of any soil residue.

FOR SAFETY: When servicing machine, do not
power spray or hose off machine. Electrical
malfunction may occur. Use damp cloth.

3. Remove and clean the float shut-off screen.

Speed Scrub 350 9016424 (03-2018)

OPERATION
DRAINING SOLUTION TANK
Drain the solution tank daily.
1. Transport the machine to drain area.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. To drain remaining water from solution tank,
pull the solution tank level hose from the
solution tank.

3. Rinse solution tank with clean water. Firmly
reconnect the hose to the solution tank after
rinsing / draining tank.
4. Remove the solution tank filter and clean
screen after every 50 hours of use. Drain
solution tank before removing filter.

Speed Scrub 350 9016424 (03-2018)

OPERATION
SERVICE INDICATOR CODES
When the machine or battery charger detects a
fault, the service indicator will flash. A fault code
will be provided to determine problem as described
below.
Pro-Membrane Control Panel (LED)

Pro-Panel Controls (LCD)
Flashing service indicator
Press service indicator to
access fault code screen

Fault code screen
Flashing LED
fault code

Flashing service
indicator

Yellow machine fault icon
xxxxxx

Fault code

LED Fault
Code
☼ = Flashing

LCD Fault
Code

Cause

Solution

☼☼☼☼☼

0xFFF0

Emergency shut-off button activated

Release emergency shut-off button and
restart machine. If fault persists, contact
service.

●●●☼●

0x0201

Actuator Open Warning

Contact service.

●●●☼☼

0x0101

Scrub Motor Open Warning

Contact service.

●●☼●●

0x0501

Vacuum Motor Open Warning

Contact service.

●●☼●☼

0x0601

Detergent Pump Open Warning

Contact service.

●●☼☼●

0x0910

Propel Breaker Tripped Fault

Disconnect battery and reset circuit
breaker. If issue persists, contact service.

●●☼☼☼

0x0901

Propel Motor Open Fault

Contact service.

●☼●●☼

0x0301

Solution Valve Open Warning

Contact service.

●☼●☼☼

0x0303

Solution Valve Over Current

Contact service.

●☼☼☼●

0xFF20

Scrub Controller CAN Communication
Fault

Power cycle machine. If fault persists,
contact service.

0x0B04

Battery Watering CAN Fault

0x0900

Propel I-Drive Generic Fault

0x0903

Propel Communication Lost

0x0904

Propel Power Cycle Needed

0x0905

Propel Current Limit Fault

0x0920 0x0943

Propel Faults

0x0906

Propel Motor Short Low Fault

0x0907

Propel Motor Short High Fault

☼●●●☼

☼●●☼●

Speed Scrub 350 9016424 (03-2018)

Power cycle machine. If fault persists,
contact service.

Contact service.

OPERATION
LED Fault
Code
☼ = Flashing

LCD Fault
Code

Cause

Solution

☼●●☼☼

0x0103

Scrub Motor Over Current

Contact service.

0x0104

Scrub Motor Over Current 1

0x0105

Scrub Motor Over Current 2

☼●☼●☼

0x0902

High Throttle Fault

Release green go pedal or remove
green go pedal obstruction. Power cycle
machine. If fault persists, contact service.

☼●☼☼●

0x0107

Scrub Motor FET Fault

Contact service.

0x0207

Actuator Motor FET Fault

0x0307

Valve FET Fault

0x0507

Vacuum Motor FET Fault

0x0607

Detergent Pump FET Fault

0x0617

Battery Watering Pump FET Fault

0x0503

Vacuum Over Current Fault

0x0504

Vacuum Over Current 1 Fault

0x0505

Vacuum Over Current 2 Fault

☼☼●●●

0x0506

Vacuum Shorted Load Fault

Contact service.

☼☼●●☼

0x0603

Detergent Pump Over Current Fault

Contact service.

0x0604

Detergent Pump Over Current 2 Fault

0x0605

Detergent Pump Over Current 1 Fault

☼☼●☼●

0x0606

Detergent Pump Shorted Load Fault

Contact service.

☼☼●☼☼

0x0926

Propel Over Temperature Warning

Allow propel motor to cool. Power cycle
machine. If fault persists, contact service.

☼☼☼●☼

0x0106

Scrub Motor Short Fault

Contact service.

☼☼☼☼●

0x0102

Voltage / Power Loss

Contact service.

☼●☼☼☼

Contact service.

NOTE: Contact a Tennant Service representative
for all other fault codes.
ON-BOARD BATTERY CHARGER SERVICE
INDICATOR CODES
LED Fault
Code
☼ = Flashing

LCD Fault
Code

Cause

Solution

☼☼☼●●

0xF100

Charger error condition.

Contact service.

0xF104

Batteries unable to charge correctly

Contact service.

●☼☼●●

0xF101

Charger is not connected to battery
pack.

Check cable connections. If fault code
persists, contact service.

●☼●●●

0xF102

Charger overheated.

Let charger cool. Move to well ventilated
area. If fault persists, contact service.

●☼☼☼●

0xF103

Charger communication fault.

Power cycle machine. If fault code
persists, contact service.

Speed Scrub 350 9016424 (03-2018)

OPERATION
ec-H2O SYSTEM SERVICE INDICATOR CODES
(OPTION)
Pro-Membrane Control Panel (LED)

Pro-Panel Controls (LCD)

Flashing LED
fault code

Flashing service indicator
Press icon to access
fault code screen
Fault code screen
Red or Yellow machine
fault icon

Fault code

Flashing
Solid or blinking Red
service indicators ec-H2O indicator

LED Fault Code
☼ = Flashing

LCD Fault
Code

Cause

Solution

●☼☼☼●

0x0704

ec-H2O CAN Fault

Power cycle machine. If fault persists,
contact service.

●☼●☼●

0x0711

ec-H2O Pump Open Warning

Power cycle machine. If fault persists,
contact service.

●☼☼☼☼

0x0713

ec-H2O Pump Over Current

Contact service.

☼●●●●

0x0717

ec-H2O Pump FET Fault

Contact service.

☼●☼●●

0x0703

ec-H2O Circuit Breaker Tripped

Reset circuit breaker. If trips again,
contact service.

0x0700

ec-H2O Electrical Faults

Contact service.

ec-H2O Water and Plumbing Faults

Contact service.

0x0781

Detergent Tank Empty

Refill detergent tank.

0x0707

Water conditioning cartridge expired

Replace water conditioning cartridge.

0x0712
0x0716
0x0720
0x0727
0x072A
0x0741
0x0746
0x0747
0x0702
0x0708
0x0721
0x0723
0x0726
0x0728

ec-H2O indicator
blinking blue/red

*Verify if cleaning detergent was added to solution
tank. If ec-H2O system was operated with cleaning
detergent, drain solution tank, add clear water and
operate the ec-H2O system until the fault code
clears.
Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
MAINTENANCE
MAINTENANCE CHART

13
8

1
14
10

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
The table below indicates the Person Responsible
for each procedure.
O = Operator.
T = Trained Personnel.
Interval

Description

Procedure

Pad(s)

Check, flip or replace

Brush(es)

Check, clean

Squeegee

Clean, check for damage and
wear

Scrub head skirt

Check for damage and wear

Recovery tank

Drain, rinse, clean float shut-off
screen and debris tray

Solution tank

Drain, rinse

Severe Environment tank
(option)

Check, refill

CAD

Automatic battery watering
tank (option)

Check, refill

Batteries

Charge if necessary

Battery cells

Check electrolyte level

Battery compartment

Check for liquid

Squeegee assembly drip trap
reservoir (dual disk model)

Check. Clean

50 Hours

Recovery tank lid seal

Check for wear

Solution tank filter

Remove and clean

100 Hours

Battery watering system
(option)

Check hoses for damage and
wear

200 Hours

Batteries, terminals and
cables

Check and clean

Steering chain

Lubricate, check tension, and
check for damage and wear

Steering cable

Check tension. Check for
damage and wear

750 Hours

Vacuum motor

Replace carbon brushes

1250 Hours

Propel motor

Replace carbon brushes

Brush motor(s)

Replace carbon brushes

Daily

Weekly

Person
Resp.

Key

Lubricant/
Fluid

LUBRICANT/FLUID
DW
CAD
GL

Distilled water
Commercial approved detergent
SAE 90 weight gear lubricant

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
MACHINE MAINTENANCE
To keep the machine in good working condition,
simply perform the following maintenance
procedures.

3. Wipe the squeegee blades clean. Inspect
blades for wear and damage. Rotate
blades if worn. See SQUEEGEE BLADE
REPLACEMENT.

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
FOR SAFETY: When servicing machine wear
personal protection equipment as needed.
All repairs must be performed by trained
personnel.

YELLOW TOUCH POINTS
This machine features easy to find yellow touch
points for simple service items. No tools are
required to perform these maintenance operations.

AFTER DAILY USE

4. Clean scrub head skirt. Check for wear and
damage. Replace if worn or damaged.

5. Drain, rinse out, and clean the recovery tank.
See DRAINING TANKS

1. Turn pad over or replace when worn. See
BRUSH AND PAD REPLACEMENT.

2. Replace brushes when they no longer
clean effective. See BRUSH AND PAD
REPLACEMENT.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
8. Drain and rinse out the solution tank.

FOR SAFETY: When servicing machine, do not
power spray or hose off machine. Electrical
malfunction may occur. Use damp cloth.
6. Remove the debris tray and empty.

7. Remove and clean the float shut-off screen.

9. Severe Environment option - Refill the Severe
Environment tank with a recommended
cleaning detergent at full concentration.
Replace cap.

10. Automatic battery watering option - Refill tank
with distilled water. Replace cap.
NOTE: Check for liquid in the battery compartment
whenever replenishing the automatic battery
watering tank. Drain all liquid from the battery
compartment. See BATTERY COMPARTMENT
DRAIN VALVE.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
11. Charge batteries. See BATTERIES.

AFTER WEEKLY USE

ATTENTION: Do not disconnect battery cables
while charger is plugged in, circuit board
damage may result.

1. Check the electrolyte level in all batteries. See
BATTERIES.

12. Clean the outside surface of the machine with
an all purpose cleaner and damp cloth.

NOTE: If machine is equipped with the automatic
or manual battery watering system, See
BATTERIES.

2. Check for liquid in the battery compartment.
See BATTERY COMPARTMENT DRAIN
VALVE.

3. Machines with 24 in. (600 mm) scrub heads
only: Remove the drip trap cover from the
squeegee assembly and clean reservoir.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
AFTER EVERY 50 HOURS OF USE

AFTER EVERY 200 HOURS OF USE

1. Inspect and clean the seal on the recovery
tank lid. Replace seal if damaged.

1. Check batteries for loose battery and clean
the surface of the batteries, including terminals
and cable clamps to prevent corrosion. See
BATTERIES.
2. Check for damage or wear and lubricate the
steering chain.
FOR SAFETY: When servicing machine,
all repairs must be performed by trained
personnel.

.
2. Drain solution tank. Remove the solution tank
filter and clean screen. Turn the filter bowl
counter-clockwise to remove.

3. Check the steering cable for damage or wear.
Use tension gauge to check steering cable
tension.
FOR SAFETY: When servicing machine,
all repairs must be performed by trained
personnel.

AFTER EVERY 100 HOURS OF USE
If machine is equipped with the optional battery
watering system, check hoses for leaks, loose
hose connections and for damage or wear.
Replace system if damaged.
FOR SAFETY: When servicing batteries, wear
personal protection equipment as needed.
Avoid contact with battery acid.

ELECTRIC MOTORS
Replace motor carbon brushes as indicated.
Contact trained personnel for carbon brush
replacement.

Speed Scrub 350 9016424 (03-2018)

Carbon Brush Replacement

Hours

Vacuum motor

750

Propel motor

1250

Brush motor(s)

1250
47

MAINTENANCE
BATTERIES
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
The lifetime of the batteries depends on proper
maintenance. To get the most life from the
batteries:
•

Do not charge the batteries more than once a
day and only after running the machine for a
minimum of 15 minutes.

•

Do not leave the batteries partially discharged
for long period of time.

•

Only charge the batteries in a well-ventilated
area to prevent gas build up.

•

Allow the charger to complete charging the
batteries before re-using the machine.

•

Maintain the proper electrolyte levels of
flooded (wet) batteries by checking levels
weekly.

Your machine is equipped with either flooded
(wet) lead-acid or maintenance-free (Sealed AGM)
batteries supplied by Tennant.
FOR SAFETY: When servicing machine, keep
all metal objects off batteries. Avoid contact
with battery acid.
MAINTENANCE-FREE BATTERIES

The electrolyte level should be slightly above the
battery plates as shown before charging. Add
distilled water if low. DO NOT OVERFILL. The
electrolyte will expand and may overflow when
charging. After charging, distilled water can be
added up to about 3 mm (0.12 in) below the sight
tubes.

Before Charging

After Charging

CHECKING CONNECTIONS / CLEANING
After every 200 hours of use, check for loose
battery connections and clean the surface of the
batteries, including terminals and cable clamps to
prevent battery corrosion. Use a scrub brush with
a strong mixture of baking soda and water. Do not
remove battery caps when cleaning batteries.

Maintenance-free (Sealed AGM) batteries do
not require watering. Cleaning and other routine
maintenance is still required.
FLOODED (WET) LEAD-ACID BATTERIES
The flooded (wet) lead-acid batteries require
routine watering as described below. Check the
battery electrolyte level weekly.
NOTE: If machine is equipped with the automatic
or manual battery watering system, proceed to the
BATTERY WATERING SYSTEM instructions.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
CHARGING BATTERIES
The charging instructions in this manual are
intended for the battery charger supplied with your
machine. The use of other battery chargers that
are not supplied and approved by Tennant are
prohibited.

FOR SAFETY: Open recovery tank if
temperature is above 80ºF/27ºC when charging
batteries.

If your machine is equipped with an off-board
battery charger refer to the charger’s owners
manual for operating instructions. Contact
distributor or Tennant for battery charger
recommendations if machine is not equipped with
charger.
FOR SAFETY: Do not use incompatible battery
chargers as this may damage battery packs
and potentially cause a fire.
IMPORTANT NOTICE: The battery charger
is set to charge the battery type supplied with
your machine. If you choose to change to a
different battery type or capacity (i.e. flooded
(wet) lead-acid, maintenance-free, sealed, AGM
batteries, etc.), the charger’s charging profile
must be changed to prevent battery damage. See
BATTERY CHARGER SETTINGS.
1. Transport the machine to a well-ventilated
area.
WARNING: Batteries emit hydrogen
gas. Explosion or fire can result. Keep
sparks and open flame away when
charging.
2. Park the machine on a flat, dry surface, turn off
machine and remove key.
FOR SAFETY: When servicing batteries, stop
on level surface, turn off machine, and remove
key.
3. If the machine is equipped with flooded (wet)
lead acid batteries check the battery electrolyte
level weekly before charging. For models
equipped with the automatic battery watering
system, check if the automatic battery water
tank needs refilling. Add distilled water if low.
4. For models equipped with an on-board
charger, remove the charger’s power cord from
the storage hooks and plug power cord into a
properly grounded wall outlet.

Speed Scrub 350 9016424 (03-2018)

For models equipped with off-board chargers,
first connect the charger’s DC cord into the
machine’s battery charge receptacle then
plug the AC power supply cord into a properly
grounded wall outlet. Refer to the off-board
battery charger’s owner manual for operating
instructions. Do not close the recovery tank on
the charger cables when charging with an offboard charger.
FOR SAFETY: Do not disconnect the offboard charger’s DC cord from the machine’s
receptacle when the charger is operating.
Arcing may result. If the charger must be
interrupted during charging, disconnect the AC
power supply cord first.
5. The charger will automatically begin charging
and shut off when fully charged. The maximum
charging cycle may take up to 6-12 hours
depending on battery type.
On-board battery charger: The battery
discharge indicator lights will ripple back and
forth during the charging cycle. When all five
lights repeatedly flash two times, the charging
cycle is complete.

Pro-membrane

Pro-panel

ATTENTION: Do not disconnect battery cables
while charger is plugged in, circuit board
damage may result.

MAINTENANCE
6. After charging batteries unplug the power
supply cord and wrap cord around the cord
hooks.
For models equipped with an off-board
charger, always disconnect the AC power
supply cord first before disconnecting charger
from machine.
BATTERY CHARGER SETTINGS
The battery charger is set to charge the battery
type supplied with your machine. If you choose
to change to a different battery type or capacity,
the charger’s charging profile must be changed to
prevent battery damage.
The machine’s battery discharge indicator (BDI)
must also be reprogrammed to match battery type
to prevent battery damage and/or short run-time.
NOTE: For machines shipped without batteries,
the battery discharge indicator and the on-board
battery charger are set for GEL batteries as the
default. If you choose to use a different battery
type, the settings must be changed as described
as below.
NOTE: For machines shipped without batteries
and supplied with an Off-Board Charger, the
off-board battery charger is set for wet lead-acid
batteries from the factory. The machine’s battery
discharge indicator is set for GEL batteries as the
default. The battery discharge indicator must be
reprogrammed to match charger settings (See
OFF-BOARD BATTERY CHARGER below).
IRIS MODELS: For models equipped with
capability to report battery charging data via IRIS,
Tennant recommends using the same battery type.
If a different amp hour or battery type is desired,
contact Tennant Service Department.

ON-BOARD BATTERY CHARGER:
Pro-Membrane Model - To change the on-board
battery charger settings, service application
software required, contact service. As an
alternative, the charger profile may be manually
changed. See CHANGING ON-BOARD BATTERY
CHARGER SETTINGS for Pro-Membrane model.
The battery discharge indicator will automatically
reprogram to match battery type when the battery
charger profile is changed.
Pro-Panel Model - To change the on-board
battery charger settings, see CHANGING THE
ON-BOARD BATTERY CHARGER SETTINGS in
the SUPERVISOR section for Pro-Panel models.
The battery discharge indicator will automatically
reprogram to match battery selection.
CHANGING ON-BOARD BATTERY CHARGER
SETTINGS (Pro-Membrane model)
To manually change the on-board battery charger
settings for a different battery type, carefully follow
instructions as described below:
NOTE: The manual method is only an alternative
if unable to change setting by use of the Service
Application Software performed by Service.
1. Disconnect the battery cable connection at
machine.
FOR SAFETY: When servicing machine, stop
on level surface, turn off machine, and remove
key.
2. Open the access panel to access the on-board
battery charger.
3. Carefully peel back the charger display label to
access the dial settings.

OFF-BOARD BATTERY CHARGER:
1. To change the off-board battery charger
settings, refer to the off-board charger’s owner
manual.
2. To reprogram the machine’s battery discharge
indicator (BDI):
Pro-Membrane Model - Service application
software required, contact service.
Pro-Panel Model - See CHANGING THE ONBOARD BATTERY CHARGER SETTINGS in the
SUPERVISOR section for Pro-Panel models.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
4. Using a small standard screwdriver, turn the
dial to the appropriate battery type according
to the following chart.

Dial
Position

Battery Description Settings with
AH Ranges

CAN-BUS setting*

Wet, Trojan 180-260 AH

Wet, Trojan 270-360 AH

Wet, Enersys/Tab 200-350 AH

AGM, Tianneng 180-260 AH

AGM, Discover 200-350 AH

Gel, Sonnenschein 80-150 AH

* The CAN-BUS setting, dial position “0”, is the
software setting that is programmed to match
battery type supplied with machine. When the dial
is manually changed to a different setting, it should
not be reset back to “0” otherwise battery damage
may result. Service Application Software is
required to reset dial back to “0”. Contact Service.
5. Re-apply the display label.
6. To set the BDI for the new battery type, plug
the on-board battery charger cord into an
electrical outlet. The machine’s software will
automatically reprogram the BDI to the new
battery type.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
HYDROLINK® BATTERY WATERING SYSTEM
(Trojan® Battery OPTION)
The following instructions are for models equipped
with the HydroLink battery watering system option.

3. Locate the battery fill hose coupler inside the
battery compartment. Remove the dust cap
and connect the hand pump hose.

4. Submerge the other end of the hand pump
hose into a bottle of distilled water

The optional HydroLink battery watering system
provides a safe and easy way to maintain the
proper electrolyte levels in your batteries. It is
designed exclusively for Trojan flooded (wet) leadacid batteries.
FOR SAFETY: When servicing machine, wear
personal protection equipment as needed.
Avoid contact with battery acid.
Before using the battery watering system check
hoses and connections for damage or wear.

5. Squeeze the bulb on the hand pump hose until
firm. The level indicators will turn black when
full.

1. Fully charge batteries prior to using the battery
watering system. Do not add water to batteries
before charging, the electrolyte level will
expand and may overflow when charging.
2. After charging batteries, check the battery
electrolyte level indicators located on the
battery covers. If the level indicator is white
add water as described in the following
instructions. If the level indicators are black the
electrolyte is at the correct level, no water is
required.
6. After adding water, replace the dust cap on the
battery fill hose and store the hand pump hose
inside the machine’s battery compartment for
future use.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
SMART-FILL AUTOMATIC BATTERY WATERING
(OPTION)
FOR SAFETY: When servicing machine, wear
personal protection equipment as needed.
Avoid contact with battery acid.
The automatic battery watering system is
designed to automatically refill the batteries after
the machine reaches a limited number of charge
cycles. Do not remove battery caps and manually
add water to the batteries.
Check the automatic battery watering system for
leaks, loose hose connections and for damage or
wear. Replace if damaged.

BATTERY COMPARTMENT DRAIN VALVE
Use the battery compartment drain valve to drain
liquid from the battery compartment.
FOR SAFETY: When servicing machine, always
follow site safety rules when disposing battery
compartment liquid.
1. Position front end of machine over area where
battery compartment can be safely drained,
turn off the machine, and remove the key.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Open the battery compartment drain valve
and allow the liquid to drain from the battery
compartment.
FOR SAFETY: When servicing machine, wear
personal protection equipment as needed.
Avoid contact with battery acid.

Check the water level in the automatic watering
tank periodically. Add distilled water when low.
FOR SAFETY: When servicing machine, only
use distilled water when filling the automatic
battery watering tank.
3. Close the battery compartment drain valve
after all liquid has drained from the battery
compartment.

The automatic battery watering indicator will
also alert user to add distilled water when tank is
empty. See CONTROL PANEL OPERATION for
further details.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
BRUSH AND PAD REPLACEMENT

2. Press the brush change button to disengage
the brush.

Replace the pads when they no longer clean
effectively. Replace the brushes when they no
longer clean effectively.
Cleaning pads must be placed on pad drivers
before they are ready to use. The cleaning pad is
held in place with a center disk. Both sides of the
pad can be used for scrubbing. Turn the pad over
to use the other side.
Cleaning pads need to be cleaned immediately
after use with soap and water. Do not wash the
pads with a pressure washer. Hang pads, or lay
pads flat to dry.
NOTE: Always replace brushes and pads in
sets. Otherwise one brush or pad will be more
aggressive than the other.

The brush change button will turn green while
the scrub head repositions to allow the brush
or pad driver to be changed.

REPLACING BRUSH(ES) OR PAD(S) ON
PRO-PANEL MACHINES
1. Stand with both feet on the operator presence
pedal (do not press the go pedal), turn the
key to the ON position, and press the brush
change button to raise the scrub head to the
correct level for changing the brush(es) or
pad(s).
3. Wait for the green check mark to appear on the
Pro-Panel display.

NOTE: Remain standing on the operator presence
pedal until the scrub head has moved through the
entire range of motion and has stopped moving.
Process will be paused if the operator presence
pedal is released. Step back onto the operator
presence pedal and press brush change button
again to continue the process. Turn key switch to
OFF position to abort process.

4. Release the operator presence pedal.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
5. Machines equipped with magnetic brush
hubs: Remove the brush or pad driver from
under the scrub head.

8. Ensure the scrub head skirt is properly
positioned on the scrub head.

WARNING: Magnetic Field Hazard.
Magnetic pad driver/brush can be
harmful to those with pacemakers or
medical implants.

9. Repeat procedure for the other brush or pad
driver, if machine is equipped with dual brush
scrub head.

Machines equipped with 3-lug brush hubs:
To remove the brush or pad driver, grip the
disk and give it a quick turn.

6. Machines equipped with magnetic brush
hubs: Push the new brush or pad driver under
the scrub head and lift the brush or pad driver
until the magnet secures the brush or pad to
the drive hub.
Machines equipped with 3-lug brush hubs:
Position the three lugs into the motor hub slots
and give the pad driver / brush a quick counterclockwise turn to engage hub.
7. Ensure the brush or pad driver is securely
mounted on the brush drive hub.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
REPLACING BRUSH(ES) OR PAD(S) ON
PRO-MEMBRANE PANEL MACHINES

Machines equipped with 3-lug brush hubs:
To remove the brush or pad driver, grip the
disk and give it a quick turn.

1. Stand with both feet on the operator presence
pedal (do not press the go pedal), turn the
key to the ON position, and press the brush
change button to raise the scrub head to the
correct level for changing the brush(es) or
pad(s).

4. Machines equipped with magnetic brush
hubs: Push the new brush or pad driver under
the scrub head and lift the brush or pad driver
until the magnet secures the brush or pad to
the drive hub.
NOTE: Remain standing on the operator presence
pedal until the scrub head has moved through the
entire range of motion. Process will be paused if
the operating presence pedal is released. Step
back onto the operator presence pedal and press
the brush change button again to continue the
process. Turn key switch to OFF position to abort
process.
2. Release the operator pedal when the green
LED stops flashing and remains illuminated
solid green.

Machines equipped with 3-lug brush hubs:
Position the three lugs into the motor hub slots
and give the pad driver / brush a quick counterclockwise turn to engage hub.
5. Ensure the brush or pad driver is securely
mounted on the brush drive hub.
6. Ensure the scrub head skirt is properly
positioned on the scrub head.

3. Machines equipped with magnetic brush
hubs: Remove the brush or pad driver from
under the scrub head.
WARNING: Magnetic Field Hazard.
Magnetic pad driver/brush can be
harmful to pacemaker wearers or
medical implants.
7. Repeat procedure for the other brush or pad
driver, if machine is equipped with dual brush
scrub head.
8. Step back onto the operator presence pedal
to allow the machine to complete the brush
change cycle.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
SQUEEGEE BLADE REPLACEMENT
Each squeegee blade has four wiping edges.
When the blades become worn, simply rotate the
blades end-for-end or top-to-bottom for a new
wiping edge. Replace blade if all four edges are
worn.

4. Squeeze the squeegee retainer lever and
remove the squeegee assembly from the
machine.

REPLACING SQUEEGEES ON MACHINES
WITH 20 IN. (500 MM) SCRUB HEADS
1. Stop the machine and lower the scrub head.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Rotate the squeegee assembly to the right
side of the machine.

5. Fully loosen the four knobs on squeegee
assembly. This will separate the spring loaded
blade retainer from squeegee frame.

3. Disconnect the vacuum hose from the
squeegee assembly.

6. Remove worn blade(s) from the blade retainer.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
7. Rotate the rear blade(s) to a new wiping edge
and reinstall blade(s). Make sure to align the
slots in the blade(s) with retainer tabs.

10. Slide the squeegee assembly onto the
squeegee carriage until both squeegee
carriage pins are secured in the bracket.

8. Squeeze the squeegee frame and blade
retainer together and re-tighten the four knobs.

11. Be sure both squeegee tabs are positioned
above the scrub head skirt.

9. Position the squeegee assembly bracket near
the squeegee carriage and align the squeegee
carriage pins into the squeegee assembly
bracket.

12. Connect the vacuum hose to the squeegee
assembly.

13. Rotate and center the squeegee assembly
underneath the machine.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
REPLACING SQUEEGEES ON MACHINES
WITH 24 IN. (600 MM) SCRUB HEADS
1. Stop the machine and lower the scrub head.

5. Fully loosen the two outside knobs on
squeegee assembly. This will separate the
spring loaded blade retainer from squeegee
frame.

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
2. Rotate the squeegee assembly to the right
side of the machine.

6. Remove worn blade(s) from the blade retainer.

3. Disconnect the vacuum hose from the
squeegee assembly.

7. Rotate the rear blades to a new wiping edge
and reinstall blades. Make sure to align the
slots in the blades with retainer tabs.

4. Squeeze the squeegee retainer lever and
remove the squeegee assembly from the
machine.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
8. Squeeze the squeegee frame and blade
retainer together and re-tighten the two outside
knobs.

11. Connect the vacuum hose to the squeegee
assembly.
12. Rotate and center the squeegee assembly
underneath the machine.

9. Position the squeegee assembly bracket near
the squeegee carriage and align the squeegee
carriage pins into the squeegee assembly
bracket.

10. Slide the squeegee assembly onto the
squeegee carriage until both squeegee
carriage pins are secured in the bracket.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
ec-H2O WATER CONDITIONING
CARTRIDGE REPLACEMENT
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.

3. Disconnect the two hose connectors from the
top of the cartridge by pressing the gray collars
inward and pulling the connectors outward. Lift
cartridge to remove.

The water conditioning cartridge is required to
be replaced when it reaches its maximum water
usage or expiration time of when the cartridge
was activated, which ever comes first. The control
panel will signal a code when it’s time to replace
cartridge. See CONTROL PANEL OPERATION for
further details.
Depending on machine usage, on average, a
new cartridge can last anywhere from 12 months
for heavy machine usage to 24 months for light
machine usage.
ATTENTION: During first time use and after
replacing the water conditioning cartridge, the
ec-H2O system will automatically override the
selected solution flow rate for up to 75 minutes.
1. Park the machine on a level surface and
remove the key.
2. Open the access door to access the ec-H2O
water conditioning cartridge.
4. Fill in the installation date on the new cartridge
label.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
5. Install the new cartridge and reconnect the two
hoses. Make sure the hose connectors are
fully inserted into the cartridge.
Carefully read and understand all steps first
before performing the following procedure.
a. Turn key on.
b. Press and hold the service switch, located
on the ec-H2O module, for 10 seconds.
After releasing service switch, the three
solution flow indicator lights will begin to
(ripple) move back and forth.
c. Within 5 seconds after releasing the
service switch, while the three indicator
lights are moving back and forth, quickly
press and release the solution flow button
located on ec-H2O module.
The three indicator lights will then blink
three times to indicate timer has been
reset. Repeat process if the three indicator
lights do not blink three times.

MACHINE JACKING
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.
Use the designated locations to jack up the
machine for service. Empty the recovery and
solution tanks and position the machine on a level
surface before jacking.
FOR SAFETY: When servicing machine, jack
machine up at designated locations only.
Support machine with jack stands. Use jack
or hoist that will support the weight of the
machine.
Rear jack point.

Front jack points.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
JACKING UP THE FRONT OF THE MACHINE

JACKING UP THE REAR OF THE MACHINE

FOR SAFETY: Before leaving or servicing
machine, stop on level surface, turn off
machine, and remove key.

1. Position the steering wheel so the front
steering wheel is oriented straight out to the
front of the machine.

1. Block both front drive wheels.

2. Block the rear wheel.

2. Rotate the squeegee assembly to the right
side of the machine.
3. Remove the lower shroud from the machine.

3. Position a floor jack under the center jack point
located at the front of the machine.
4. Use floor jack to raise machine from the floor.

5. Place a jack stand underneath the other jack
point and lower the machine onto the jack
stand so both the jack stand and floor jack are
supporting the weight of the machine.

4. Position a floor jack under the tie down / jack
point and arrange all hoses / cables so they
are not crushed when the machine is jacked
up off the floor.

5. Use a floor jack to raise machine from the floor.

6. When finished with maintenance, use floor jack
to raise machine from jack stand, remove the
jack stand from under the machine, and lower
the machine to the floor.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
6. Place a block of wood underneath the rear of
the machine to provide additional support.

Only push or tow the machine for a very short
distance and do not exceed 3.2 kp/h (2 mph). It
is NOT intended to be pushed or towed for a long
distance or at a high speed.
ATTENTION! Do not push or tow machine for
a long distance or damage may occur to the
propelling system.
Immediately after pushing the machine, remove
the screw driver from between the electronic brake
lever and the hub. NEVER operate the machine
with the brake disabled.
FOR SAFETY: Do not operate machine with
brake disabled.

7. When finished with maintenance, use floor jack
to raise machine from jack stand, remove the
block of wood from under the machine, and
lower the machine to the floor.

TRANSPORTING THE MACHINE

8. Reinstall the lower shroud onto the machine.

When transporting the machine by use of trailer
or truck, carefully follow loading and tie-down
procedure:

PUSHING, TOWING, AND
TRANSPORTING THE MACHINE

1. Drain tanks, raise the scrub head and remove
the squeegee assembly.
2. Carefully load machine in trailer or on truck.

PUSHING AND TOWING THE MACHINE
FOR SAFETY: When servicing the machine,
do not push or tow the machine without an
operator controlling the machine.
If the machine becomes disabled, it can be pushed
from the front or rear, but it can only be towed from
the front.
The brake must be disabled before towing or
pushing the machine. To disable the brake,
insert the tip of a small screw driver between the
electronic brake lever and the hub. The machine
can move freely when the brake is disabled.

FOR SAFETY: When loading/unloading, use a
ramp that can support the machine weight and
operator. Do not turn on inclines or ramps. Do
not drive on a slippery ramp.
FOR SAFETY: When loading/unloading, Do
not operate the machine on a ramp incline that
exceeds an 18% grade level. Use a winch if
ramp incline exceeds an 18% grade level
3. Once loaded, position the front of the machine
up against the front of the trailer or truck.
Lower the scrub head and turn key off.
4. Place a block behind each wheel.
5. Using tie-down straps, secure the machine
using the four tie-down brackets located on the
machine frame. It may be necessary to install
tie-down brackets to the floor of your trailer or
truck.
NOTE: When transporting machine in an open
truck or trailer, secure recovery tank lid.
ATTENTION: Do not use control console
area or accessory storage rails for tie-down
locations, damage may occur.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
STORING MACHINE

FREEZE PROTECTION

The following steps should be taken when storing
the machine for extended periods of time.

Storing machine in freezing temperatures.

1. Charge the batteries before storing machine
to prolong the life of the batteries. Recharge
batteries once a month.

1. Completely drain solution tank and recovery
tank.
2. Empty the water from the solution tank filter
located under machine. Replace filter.

2. Disconnect batteries before storing.
3. Drain and rinse recovery tank and solution
tank.
4. Store the machine in a dry area with squeegee
and scrub head in the up position.
ATTENTION: Do not expose machine to rain,
store indoors.
5. Open the recovery tank lid to promote air
circulation.
6. If storing machine in freezing temperatures,
proceed to FREEZE PROTECTION.
NOTE: To prevent potential machine damage store
machine in a rodent and insect free environment.

Speed Scrub 350 9016424 (03-2018)

3. Pour 1 gallon / 4 liters of propylene glycol
based recreational vehicle (RV) antifreeze into
the solution tank.
Models equipped with optional Severe
Environment detergent tank - Lift tank from
machine and empty the detergent from tank.
Return tank. Pour a 1/4 gallon / 1 liter of
propylene glycol based recreational vehicle
(RV) antifreeze into the detergent tank.

MAINTENANCE
4. Models not equipped with ec-H2O system
- Turn machine on and operate the solution
flow system. Turn the machine off when the
antifreeze is visible on the floor.
Models equipped with ec-H2O system and
Severe Environment mode - Set the detergent
ratio dial to the highest concentration. Turn
machine on and set solution flow rate to
high. Operate ec-H2O scrubbing and press
the Severe Environment button to cycle the
antifreeze through both systems. Turn machine
off when antifreeze is visible on the floor. This
may take up to two minutes.
Models equipped with ec-H2O system - Turn
machine on and set the solution flow rate to
high and operate ec-H2O scrubbing to cycle
antifreeze through system. Turn machine off
when antifreeze is visible on the floor. This
may take up to two minutes.
5. Models equipped with optional automatic
battery watering tank - Lift tank from machine
and empty the water from tank.

IMPORTANT: DO NOT add antifreeze to the
automatic battery watering tank.
6. After storing machine in freezing temperatures,
drain any remaining antifreeze from the
solution tank and from the optional Severe
Environment detergent tank. Add clean water
to solution tank and to optional detergent tank
and operate the machine to flush system.
7. Refill the automatic battery watering tank with
distilled water, if equipped.

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
MACHINE TROUBLESHOOTING
Problem

Cause

Solution

Service indicator icon
is flashing

Machine or on-board battery charger
fault has been detected

See SERVICE INDICATOR CODES

ec-H2O icon is red or
flashing red

ec-H2O system fault has been
detected

See SERVICE INDICATOR CODES

ec-H2O icon is
flashing red and blue

ec-H2O cartridge has reached
maximum water usage or expiration

Change ec-H2O cartridge

Machine will not
operate

Emergency shut-off button activated

Turn button to reset

On-board battery
charger will not
operate

Machine will not
propel

Brush motor will not
operate

Vacuum motor will not
operate

Poor scrubbing
performance

Machine fault detected

See SERVICE INDICATOR CODES

Batteries discharged

Recharge batteries

Loose battery cable(s)

Tighten loose cables

Faulty battery(s)

Replace battery(s)

Faulty key switch

Contact service

Faulty green go pedal

Contact service

Circuit breaker tripped

Reset circuit breaker

Faulty control board

Contact service

Plug not connected to power supply

Check plug connection

Batteries over discharged

Replace batteries

Battery charger fault detected

See SERVICE INDICATOR CODES

Faulty charger

Replace charger

Faulty power supply cord

Replace power supply cord

Forward / reverse light flashing
rapidly

Remove right foot from green go pedal

Propel fault has been detected

See SERVICE INDICATOR CODES

Circuit breaker tripped

Reset circuit breaker

Faulty propel motor or wiring

Contact service

Worn carbon brushes in motor

Contact service

Brush motor fault has been detected

See SERVICE INDICATOR CODES

Faulty pad motor or wiring

Contact service

Worn carbon brushes in motor

Contact service

Broken or loose belt

Contact service

Squeegee assembly is raised off floor Lower squeegee assembly to floor
Vacuum motor fault has been
detected

See SERVICE INDICATOR CODES

Faulty vacuum motor or wiring

Contact service

Debris caught in brush/pad

Remove debris

Worn brush/pad

Replace brush/pad

Incorrect brush pressure

Adjust brush pressure

Wrong brush/pad type

Use correct brush/pad for application

Low battery charge

Recharge batteries

Uneven brush pressure

Scrub head/brushes not level. Contact
service

Speed Scrub 350 9016424 (03-2018)

MAINTENANCE
Problem

Cause

Solution

Trailing water - poor
or no water pickup

Full recovery tank or excessive foam
buildup

Drain recovery tank

Loose drain hose cap

Replace cap

Worn squeegee blades

Rotate or replace squeegee blades

Clogged drip trap (Squeegee
assembly)

Remove cover and clean

Clogged squeegee assembly

Clean squeegee assembly

Loose vacuum hose connection

Secure vacuum hose connection

Clogged vacuum hose

Flush vacuum hose

Damaged vacuum hose

Replace vacuum hose

Clogged float shut-off screen in
recovery tank

Clean screen

Recovery tank lid not completely
closed

Check lid for obstructions

Defective seals on recovery tank lid

Replaced seal

Empty solution tank

Refill solution tank

Low solution flow rate set

Increase solution flow rate

Clogged solution tank filter

Clean filter

Plugged solution supply line

Flush solution supply line

ec-H2O pump does not prime

Restart machine and set flow rate to
high

No detergent

Refill tank

Faulty float switch

Contact service

Defective pump

Contact service

Defective pump potentiometer

Contact service

Faulty control panel

Contact service

Little or no solution
flow

Severe Environment
tank does not
dispense detergent

Automatic battery
watering tank does
not dispense water

Short run time

Tank is empty

Refill tank

Defective pump

Contact service

Pump not priming

Contact service

Faulty control board

Contact service

Low battery charge

Charge batteries

Batteries need maintenance

See BATTERIES

Defective battery or end of battery life Replace batteries

Battery discharge indicator (BDI)
programmed incorrectly

See CHARGING BATTERIES

Faulty charger

Replace battery charger

Brush pressure set too high

Lower brush pressure

Speed Scrub 350 9016424 (03-2018)

SPECIFICATIONS
GENERAL MACHINE DIMENSIONS/CAPACTIES/PERFORMANCE
MODEL

20 in. / 500 mm Single Disk

24 in. / 600 mm Dual Disk

Length

55 in / 1397 mm

Width (Body)

26.5 in / 673 mm

Height

49 in / 1245 mm

Weight

490 lb / 222 kg

495 lb / 225 kg

Weight (with batteries)

725 lb / 329 kg

730 lb / 331 kg

GVW
Squeegee width

1100 lb / 500 kg
28.6 in / 727 mm

Solution tank capacity

30.7 in / 780 mm
14.1 gal / 53 L

Recovery tank capacity

18.4 gal / 70 L

Severe Environment tank capacity

0.66 gal / 2.5 L

Automatic battery watering tank capacity
Scrubbing path width
Down pressure

0.48 gal / 1.8 L
20 in / 508 mm

24 in / 610 mm

62 lb / 28 kg
90 lb / 41 kg

64 lb/ 29 kg
91 lb / 41 kg

Scrubbing speed

0.2 - 3.6 mph / 0.32 - 5.8 km/h

Transport speed

0.2 - 3.6 mph / 0.32 - 5.8 km/h

Reverse speed

0 - 1.1 mph / 0 - 1.8 km/h

Productivity rate - estimated actual

24,588 ft /hr / 2,287 m2/hr

30,052 ft2/hr / 2,795 m2/hr

ec-H2O productivity rate - est. actual

25,284 ft2/hr / 2,351 m2/hr

30,903 ft2/hr / 2,874 m2/hr

Aisle turnaround width

60 in / 1524 mm

Ramp incline for scrubbing

Ramp incline for transporting (GVWR)

Ramp incline for loading - empty tanks

18%

Solution flow rate

Low: 0.15 gpm / 0.57 L/min, Med: 0.35 gpm / 1.32 L/min, High:
0.50 gpm / 1.89 L/min

ec-H2O solution flow rate

Low: 0.12 gpm / 0.45 L/min, Med: 0.25 gpm / 0.95 L/min, High:
0.35 gpm / 1.32 L/min

Brush motor(s)
Propel motor
Vacuum motor

24VDC, 0.87 Hp / 65 kW
24 VDC, 0.64 Hp / 48 kW, 20A
24 VDC, 0.62 Hp / 46 kW, 19.1A

Water lift

42 in H2O / 1067 mm

Water lift Quiet-mode

30 in H2O / 762 mm

ec-H2O solution pump

24 VDC, 2 A, 1.0 gpm / 3.8 L/min, min open flow

Severe Environment solution pump
Automatic battery watering pump

24 VDC, 1.7 A, 2.0 oz/min / 59 ml/min, min open flow
13.5 VDC, 4 A, 0.9 gpm / 3.5 L/min, min open flow

Machine voltage

24 VDC

Battery capacity

4-6V 210AH C/20 Wet, 4-6V 240AH C/20 Wet,
4-6V 220AH C/20 AGM

Total power consumption
Battery Charger - on-board
Battery Charger - smart off-board

1.1 kW
115 - 240VAC, 50/60Hz, 24VDC, 25A
85 - 270VAC, 50/60Hz, 24VDC, 650W (27.1A)

Protection grade

IPX3

Sound pressure level LpA*

63.7 dBA

64.5 dBA

Sound pressure level LpA* - Quiet mode

59.7 dBA

61.3 dBA

Sound uncertainty KpA*

3.0 dBA

Sound power level uncertainty LpA - uncertainty KpA*

82.5 dBA

Machine vibration at hand-arm*

Ambient operating temperature

Speed Scrub 350 9016424 (03-2018)

84.0 dBA
<2.5 m/s

Min: 36° F / 2° C Max: 110° F / 43° C

SPECIFICATIONS
MACHINE DIMENSIONS
500 mm / 20 in. Single Disk Model:

727 mm
(28.6 in)

673 mm
(26.5 in)

1,245 mm
(49 in)

1397 mm
(55 in)

Speed Scrub 350 9016424 (03-2018)

SPECIFICATIONS
600 mm / 24 in. Dual Disk Model:

780 mm
(30.7 in)

673 mm
(26.5 in)

1,245 mm
(49 in)

1397 mm
(55 in)

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
SUPERVISOR CONTROLS
ATTENTION: These instructions are intended for
supervisor use only. Remove pages from manual if
necessary.

3. To select or change a supervisor control mode,
press and hold the specific zone control button
until the LED blinks three times. For lockout
mode 3, press and hold zone control buttons
1 and 2 at same time. After selection is made,
the LED will turn solid to indicate new mode.

The supervisor controls feature allows a supervisor
to program the machine’s scrubbing settings for
operator use. The lockout functionality will prevent
the operator from changing or saving the Zone
Settings.

Unlocked mode 1 = Zone control button 1
Lockout mode 2 = Zone control button 2
Lockout mode 3 = Zone control buttons 1 & 2

PRO-MEMBRANE CONTROL PANEL MODEL
The machine has three supervisor control modes
of operation to choose from:

Lockout Mode 2

Lockout Mode 3

4. Press the solution flow button to configure the
zone control button presets for lockout modes
2 or 3.

Unlocked Mode 1: Operator has full control
of all scrubbing parameters with the ability to
reconfigure the preset zone control buttons. The
Unlocked Mode 1 is the factory default setting.
Lockout Mode 2: Zone control buttons are preset
and locked by supervisor. Operator has the ability
to reconfigure the preset zone control buttons, but
are not able to save them.
Lockout Mode 3: Zone control buttons are preset
and locked by supervisor. Operator is restricted
to only use the zone control buttons preset by
supervisor.
ENTERING THE SUPERVISOR CONTROL
MODES
1. Park the machine on a level surface and turn
the key to off ( O ) position.
2. Press and hold the brush pressure button
while turning the key on. Release button
when the far right battery discharge indicator
LED turns on. After releasing button, the
active supervisor control mode will display as
described in step 3.

5. Configure the zone control button presets from
list below, then press and hold zone control
button until it blinks three times to save preset.
Repeat process for other two zones. To preset
zone control 3, press zone control buttons 1
and 2 at the same time.
Zone control presets:
Brush pressure rate
Solution flow rate
Quiet-Mode button on or off
ec-H2O mode switch on or off
Severe Environment button on or off
(Hold button for 3 seconds until LED turns on)
- Maximum scrubbing speed setting
-

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
To adjust the maximum scrub speed setting,
press the Severe Environment button to cycle
through the five speed selections as described
below. For models without the Severe
Environment button, press area on panel as
shown. The button is hidden.
The speed selection is displayed by the
battery discharge indicator LED’s. The red
LED represents the lowest speed. The far right
green LED represents the highest speed.

Lowest

Highest

NOTE: The maximum scrub speed setting can
only be adjusted in supervisor control lockout
modes 2 and 3.
6. To exit the supervisor control mode, turn key
off.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
PRO-PANEL CONTROLS MODEL
There are two types of user modes that will
interface with the home screen.

ENTERING THE SUPERVISOR MODE
1. Turn on the machine. The home screen will
display at start up. Press the help button.

Operator Mode - Capable of machine operation
with permissions and restrictions controlled by
the supervisor. The operator mode home screen
restricts access to the machine settings button and
maximum scrub speed button. There are two types
of user modes that will interface with the operator
home screen:

2. Press the login button.

Supervisor Mode - Capable of machine operation
with full use of all controls, along with configuring
permissions and restrictions for the operator mode
and login capability. The supervisor mode home
screen provides access to the machine settings
button and to the maximum scrub speed button.

3. First time use - Enter the factory-assigned
supervisor mode login code “1234” then press
the green enter button.

A new machine from the factory will automatically
start up in the supervisor mode with a preassigned
default supervisor profile. The machine’s factoryassigned supervisor login code is ”1234”. This
login code is not required until it is enabled. The
default supervisor profile name and login code can
be changed as described in this section. If the new
assigned supervisor mode login code is forgotten,
use the recovery login code 836626826.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
4. The supervisor mode home screen will appear.
Press the machine settings button.

TO ADD / EDIT PROFILES
1. Press the Add/Edit Profiles button to enter a
new user profile.

5. The machine’s setting screen provides access
to the following menu.
2. Press the Add Profile button to add a new user
profile.

Video Help - Use to view specific
operation and maintenance procedures.
Add/Edit Profiles - Use to add/edit user
profiles for machine use.
Battery Type - Use to configure the
machine for different battery types. See
BATTERIES.

Press the Edit Profile button to edit an
existing profile.
Press the Copy Profile button to copy an
existing profile.
Press the Delete Profile button to delete an
existing profile.

Enable Login - Use to activate a required
login code at machine start up to operate
machine.
Calibrate Touch - Use this to recalibrate
the touch screen if the touch points
become misaligned.
Factory Reset - Resets the supervisor
login code back to the factory default code
“1234”, removes user profiles and resets
any custom preset zone control buttons
back to the factory preset zones.
Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
3. Press the Operator button to add an Operator
mode profile or press the Supervisor button to
add an additional supervisor mode profile.
Note: The machine’s default supervisor profile can
not be deleted from profile list.

Press the Operator button to add / edit /
copy / delete an operator profile .

5. Assign a login code for the new user profile
then press the green enter button. The new
login code can be any combination of numbers
ranging from 3 to 8 digits in length.

6. Select the controls the new user should
only have access to use. Green represents
unlocked controls and gray represents locked
controls. Press the flashing save button to
save new profile.

Press the Supervisor button to add / edit /
copy / delete a supervisor profile.
4. Enter the name of the new user profile then
press the green enter button.

7. The new user profile is now saved to the
operator profile list as shown. Multiple
Operator and Supervisor user profiles can be
added. Press the back arrow to return to the
previous screen to add more user profiles.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
8. To enable the login screen at start up, see
Enabling the Login.

ENABLING THE LOGIN SCREEN
1. Turn on the machine.

5. Press the yes button to enable login.

6. Now at machine start up, the login screen
will display. The user will need to enter their
assigned login code to operator machine.

2. Press the help button and log into the machine
as supervisor mode. See Entering the
Supervisor Mode.
3. Press the machine setting button.

7. When the user is done operating the machine,
it is recommended the user log out by pressing
the help button, and then pressing the logout
button. Turning the key to the off position is
another way to also logout.
4. Press the Enable Login button. The Enable
button will change from Enable Login to
Disable Login.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
DISABLING THE LOGIN SCREEN
1. Turn on the machine.

6. Press either the Operator button or Supervisor
button to select desired user profile as your
home screen default without login.

2. Press the help button and log into the machine
as supervisor mode. See ENTERING THE
SUPERVISOR MODE.
3. Press the machine settings button.

7. Select a pre-assigned user profile. In this
example, operator profile ”JOHN” is selected
Turn the key off to apply the setting.
4. Press the Disable Login button.

8. At start up, the home screen is now set for the
desired user profile as the default without login.
5. Press the yes button to disable the login at
machine start up.

NOTE: To change to a different user profile as
the default home screen without login, you must
re-enable login and repeat the disabling login
instructions.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
CHANGING THE FACTORY-ASSIGNED
SUPERVISOR LOGIN CODE

4. Press the Supervisor button then press the
DEFAULT SUPER button.

1. Press the machine’s setting button.

2. Press the Add/Edit Profiles button.

5. Press the factory-assigned login code and
enter a new login code. Press the flashing
save button to save the new login code.

3. Press the Edit Profile button.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
CHANGING THE SCRUB SPEED
1. Turn on the machine.

4. Then press and hold a zone button until a
screen prompts you to name the new preset
zone. Select “yes” to name the preset zone.

2. Press the help button and log into the machine
as supervisor mode. See ENTERING THE
SUPERVISOR MODE.
3. Press the Maximum scrub speed button to
access the scrub speed adjustment bar.

5. If the zone settings are configured to scrub a
lobby for example, name the zone “LOBBY”.
Press the green arrow to save the new zone
preset.

4. Press the (+) button to increase the maximum
scrub speed. Press the (-) button to decrease
the maximum scrub speed.
CHANGING PRESET ZONE CONTROL
BUTTONS
1. Select the desired settings from list below.
-

Brush pressure rate
Solution flow rate
Quiet-Mode on or off
ec-H2O system on or off (option)
Severe Environment mode on or off (option)
Maximum scrub speed

6. The name will appear above the zone setting
number when the zone button is pressed.
Repeat process for other zone presets.

2. Turn on the machine.
3. Press the help button and log into the machine
as supervisor mode. See Entering the
Supervisor Mode.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS
CHANGING THE ON-BOARD BATTERY
CHARGER SETTINGS (Pro-Panel model)
1. Turn the key to the on position.
2. Press the settings button located on the home
screen.

CALIBRATING THE TOUCH
1. Turn on the machine, login to the main
operation screen, and press the setting button
to access the supervisor settings screen. See
ENTERING THE SUPERVISOR MODE.
2. Press the Calibrate Touch button to recalibrate
touch. If the touch points become misaligned.

Located on side of machine.

3. Press the Battery Type button.

To change the on-board battery charger settings,
service application software required, contact
service. As an alternative, the charger profile
may be manually changed. See CHANGING
ON-BOARD BATTERY CHARGER SETTINGS.
The battery discharge indicator will automatically
reprogram to match battery type when the battery
charger profile is changed.

4. Select battery type and brand installed in
machine. See battery label to determine type
and brand. Press the up and down arrows to
scroll through battery selection.

NOTE: The battery charger profile and battery
discharge indicator will automatically reprogram
when battery type is selected.

Speed Scrub 350 9016424 (03-2018)

SUPERVISOR CONTROLS

Speed Scrub 350 9016424 (03-2018)

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Speed Scrub 350 Operator Manual (EN) Ss Operators

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