9092007 Wrangler 1708 2008 AB Operation Manual Nss Walk Behind Floor Scrubber Operator

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OPERATION MANUAL

WRANGLER 1708 AB / 2008 AB
IMPORTANT SAFETY INSTRUCTIONS
WARNING: Failure to observe these instructions can cause
personal injury to machine operator or bystanders.
WARNING: Fire or explosion hazard.
NEVER operate this machine in an
explosive atmosphere (grain dust,
flammable liquids or fumes, etc.).

WARNING: Fire or explosion hazard.
NEVER attempt to pick up flammable
or combustible materials or use such
materials in tank.

WARNING: Orange Oil (D-limonene) is not compatible with the plastics used in NSS
automatic scrubbers and the Sidekick Chemical Metering System. Use of D-limonene may
result in damage to the machine.
WARNING: This product contains a chemical known to the state of California to cause
cancer and birth defects or other reproductive harm.
• ALWAYS wear clean tennis shoes or “non-slip”
INTENDED USE
This machine is designed for scrubbing floors in an
indoor environment. NSS does not recommend
using this machine for any other purpose.

•

FOR SAFETY:
• ALWAYS read and understand all instructions before
operating or servicing machine.
• ALWAYS use this machine ONLY as described in this
manual.
• NEVER attempt to operate this machine unless you
have been trained in its operation.
• NEVER allow an untrained person to operate this
machine.
• NEVER attempt to operate this machine if it is not
working properly or has been damaged in any manner.
• NEVER disconnect or modify any switches or safety
devices (circuit breaker).
• NEVER drop or insert any object into any machine
opening.
• NEVER operate this machine with any air opening
blocked. Keep all air openings free of dust, lint, hair,
etc.
• NEVER pick up anything that is burning or smoking,
such as cigarettes, matches or hot ashes.
• NEVER spray this machine with water or any liquids.
• NEVER allow the vacuum motor or battery-charging
plug to get wet or a short may occur.
• NEVER operate this machine when the battery charger
is plugged in.
• NEVER operate this machine with the side skirt
removed.
• NEVER allow this machine to be used as a toy. Close
attention is necessary when used by or near children.

•
•
•
•

•
•
•
•
•
•
•

shoes. Leather soled shoes will become extremely
slippery when wet.
ALWAYS keep face, fingers, hair or any other body
part or loose clothing away from any machine
opening or moving part (revolving brush, pad driver,
or vacuum motor).
ALWAYS turn the machine off when attaching pads
or brushes.
ALWAYS remove keys when this machine is left
unattended.
ALWAYS be sure that the ramp is secured to the
vehicle before attempting to load / unload.
ALWAYS use extreme caution when operating the
machine on a ramp or loading / unloading this
machine into or out of a truck / trailer. Use extreme
caution if the ramp is wet, oily, or covered with
cleaning chemicals.
NEVER stop or turn the machine on a ramp or
incline.
NEVER attempt to climb a grade or operate this
machine on a ramp or incline of more than
8 degrees.
NEVER park or store the machine near a dock, on
ramps, near a furnace, boiler, open flame, or other
high heat source.
NEVER allow this machine to freeze.
NEVER expose the machine to rain, snow, or
extreme temperatures.
NEVER store any items on this machine.
ALWAYS store this machine indoors in a dry, cool
area.

ALL REPAIR SERVICE MUST BE PERFORMED BY AN NSS AUTHORIZED DISTRIBUTOR/
SERVICE STATION USING ONLY NSS ORIGINAL EQUIPMENT PARTS.

SAVE THESE INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS
BATTERY POWERED EQUIPMENT WITH ON BOARD CHARGERS
WARNING: Failure to observe these instructions can cause
personal injury to machine operator or bystanders.

Read and understand all
instructions before installing
or charging batteries.

No smoking, open
flames, or sparks while
working with batteries.

Contains acid.
Avoid contact

Poison. Causes
severe burns. Avoid
contact.

WARNING: Batteries emit hydrogen, which can cause fire or explosion.
NEVER smoke, light a match, or cause a spark during operation or charging.
ALWAYS charge in a well-ventilated area away from open flame.
GENERAL

BATTERY CHARGING

• ALWAYS read and understand all instructions
before installing or charging batteries.
• NEVER attempt to install or charge batteries
unless you have been trained to do so.
• NEVER allow an untrained person to install or
charge batteries.
• ALWAYS remove all jewelry when working on or
near the batteries.
• ALWAYS turn off all switches during installation
and service.
• ALWAYS disconnect the battery leads before
performing any service or repair.
• ALWAYS wear eye protection and protective
clothing to avoid contact with battery acid.
• NEVER lay anything on top of batteries as arcing
may occur.
• IF CONTACT WITH BATTERY ACID OCCURS,
follow these instructions:

• ALWAYS read instructions on charger carefully.
• ALWAYS use the NSS supplied charger with proper
voltage rating.
For lead acid batteries only, (does not apply to gel
cell or maintenance free batteries).

•
•
•

SKIN – rinse area with water.
EYES – Flush with water for 15 minutes.
INTERNAL – Drink water or milk. Follow with
Milk of Magnesia, beaten egg or vegetable oil.
Call a physician immediately.

BATTERY INSTALLATION
• ALWAYS use two people to install, as batteries are
heavy.
• ALWAYS turn off all machine switches.
• ALWAYS position batteries as shown on the machine
installation decal to maintain machine balance.
• ALWAYS connect batteries as shown on the machine
installation decal to avoid shorting out the batteries
and the electrical system.

• ALWAYS check to ensure the battery water level
covers the battery plates before charging.
• ALWAYS check water level
after charging and add water if
necessary to bring level to the
bottom of the fill hole.
• NEVER overfill batteries as battery and machine
damage may result.
• ALWAYS wipe any acid from the top of batteries
using a soap solution.
• ALWAYS study battery manufacturers’ specific
precautions such as recommended rates of charge.
• ALWAYS reattach caps to batteries. Do not charge
with caps loose or removed.
• ADD only distilled or treated city water. Not well
water.
• NEVER charge a frozen battery.
• ALWAYS plug the charger into an earthed socket
outlet.
• NEVER touch uninsulated portion of output connector
or uninsulated battery terminal.
• ALWAYS disconnect the AC supply before making or
breaking the connections to the battery while charging.
• NEVER open or disassemble charger.
• NEVER operate charger if the AC supply cord is
damaged or if the charger has received a sharp blow,
been dropped, or otherwise damaged in any way.

ALL REPAIR SERVICE MUST BE PERFORMED BY AN NSS AUTHORIZED DISTRIBUTOR/
SERVICE STATION USING ONLY NSS ORIGINAL EQUIPMENT PARTS

small wheels to prevent “rollover” in reverse.
Brush Gear Motor
This machine has one (1) 24-volt brush motor located
at the front of the machine. The motor is attached to
a gearbox to turn the pad drivers or brushes.
• This motor has carbon brushes that must be
serviced on a regular basis. The carbon brushes
have an expected life of 2,000 operating hours.
Refer to the maintenance section later in this book.

NOISE AND VIBRATION
NOISE
Sound pressure level at Operator
position
VIBRATION
Weighted RMS acceleration value
(ISO 5349)

66dB(A)
.367 m/s2

MACHINE INSPECTION

• Now that the machine is unpacked remember to
recycle all packing materials.
• Inspect the machine for damage or missing
components. If damage is found, contact the local
freight company to file a freight claim.

Vacuum Motor
This machine has a 24-volt vacuum motor.
• The vacuum motor is attached to the underside of
the solution tank behind the rubber flap.
• This motor has carbon brushes that must be
serviced on a regular basis. The carbon brushes
have a maximum expected life of 700 operating
hours. Refer to the maintenance section later in
this book.

MACHINE COMPONENTS
Solution Tank
The solution tank is the lower part of the machine
body. It has a capacity of 8 gallons (30 liters).
• The amount of water in the tank is measured by the
sight hose, (clear plastic tube), at the rear of the
machine.

Battery Packages
The Wrangler 1708/2008 is a 24 volt system with
two (2) 12 volt, 115 amp hour batteries. Consult your
local NSS authorized distributor for application
recommendations.

Recovery Tank
The recovery tank is the upper part of the machine
body. It has a capacity of 10 gallons (38 liters).
• A rectangular, clearview lid assembly closes the
recovery tank.
• The recovery tank has a foam-sensitive float shutoff assembly. As the water or foam level rises, the
float ball will rise and shut off the air-flow of the
vacuum motor to the squeegee. It does not shut off
the vacuum motor.

PREPARING THE MACHINE
Installing the Batteries:
• Turn off all switches.
• Empty all liquids from recovery tank.
• Step on foot pedal at front of machine to release
tanks. Lift tanks up and tilt back to rest on handles.
• Refer to the wiring diagram on bottom of tanks.
• Align batteries in the compartment as shown on the
diagram.
• Install battery cables as shown on the wiring
diagram.
• Tighten bolts and hex nuts with a wrench.
• CAUTION: Do not short across two terminals with
a wrench.
• Loose or improper battery connections will cause
battery or machine damage and possible personal
injury.

Control Panel
• The operator control panel is located at the rear
area of the machine. This panel has components
that control various machine functions.
• Starting from the left side:
• The circuit breaker is for both the brush motor and
the vacuum motor.
• The first switch turns the brush motor on and off.
• The next switch turns the vacuum motor on and off.
• The red switch is the master power switch; it
controls the power to all components

Battery Charging
• To recharge the batteries plug the charger cord,
located at the rear of the machine, into an electrical
outlet.
• When the cord is plugged into an outlet the
machine will become disabled.
See charging instructions for more details.

Battery Meter
The battery meter is located on the right side of the
operator control panel and shows the state of charge
of batteries during operation and recharge.
The battery meter is equipped with a relay that will
open, turning off the machine, when the battery
voltage has dropped to it’s lowest permissible level.
• When the batteries are fully charged, all of the
LED’s are illuminated.
• As the batteries discharge, the LED’s start to turn
off, one at a time, from right to left.
• When the last yellow LED on the left starts
blinking, there is only a few minutes of runtime left
before the machine is automatically turned off.

Preparing the Solution and Recovery Tanks:
• Never use water over 140°F (60°C) degrees.
• Excessively hot water may damage components
such as the tanks.
• Put 1 to 2 gallons of clean water into the solution
tank first to help dilute the chemicals and prevent
excess sudsing. Dilute the cleaning chemicals
according to the manufacturer’s instructions.
• Fill the tank by pouring the water and cleaning
chemicals through the mesh filter that covers the
opening at the front of the solution tank.

Squeegee Assembly
The squeegee assembly has a wide, flat frame to help
prevent damage, two (2) mounting knobs, and two (2)

3

• Make sure the recovery tank drain hose is tight on
the plug.
• Always use a defoamer to protect the vac motor.
• Consult your local distributor for complete chemical
advice.

• It is recommended that, with new blades, the rear
wheels be adjusted to their lowest position.
Loosen the two screws on the bracket rotate the
bracket downward as far as it will go, then tighten
the screws. Perform this adjustment on both
wheels/brackets.
• When the squeegee becomes worn, and the wiping
edge no longer contacts the floor properly, further
use may be possible by adjusting the rear wheels
upward enough to restore proper engagement of
the blades wiping edge with the floor. Be sure to
adjust the wheels back down fully when a new
blade is installed.

Install a Pad Driver and Pad:
• There is a wide range of pads or brushes available
for the many cleaning applications. Consult your
NSS authorized distributor for recommendations.
• Turn off all switches and empty all liquids from the
recovery and solution tank.
• Raise the brush motor into the “up” position. The
foot pedal is at the rear left of the machine. Step on
the pedal and slide it to the right into the notch.
• Step on the foot pedal latch at the front of the
machine chassis.
• Lift the machine body by the opening for the
solution tank. Tilt the machine body backward until
the handles rest on the floor.
• Remove pad driver assembly from drive casting on
end of brush motor shaft by turning the driver
counter-clockwise.
• Turn the pad drivers upside down on the floor and
remove the pad holding cup.
• Remove the center cutout of the 17” (43cm) or 20”
(51cm) pad if present and place pad on the face of
the pad driver.
• The pad must be centered on the driver to prevent
wobbling or bouncing.
• Install and secure the pad holding cup to the pad
driver. Turn the pad driver over so that the pad
faces the floor.
• Align the notches of the pad driver with the lugs of
the drive casting.
• Turn the pad driver clockwise to lock onto the drive
casting.
• Turn the pad driver counter-clockwise to remove.

Operating the Machine
Do not operate the machine with the battery
meter needle in the red zone.
The Wrangler 1708/2008 is very maneuverable and
is designed for light to medium scrubbing as you
operate the machine from behind. Follow these
steps to prepare the machine for daily operation.
• Sweep and dust mop the floor to remove dirt and
debris before scrubbing. Accumulations of dirt or
debris on the floor will reduce cleaning
performance.
• You may also need to preclean some types of
spills or stains before scrubbing.
• Plan your work so that you make long, straight
paths with the fewest amounts of turns as possible,
overlapping each cleaning path about 2 in. (5cm) to
prevent streaking and dirty areas.
• Remove as many obstacles as possible from the
area to be scrubbed.
• Do not put strip solution in solution tank. Apply
with mop and bucket and rinse with clean water in
solution tank.

MACHINE MAINTENANCE
Routine maintenance is critical to ensure proper
machine operation and cleaning performance.
Perform all maintenance procedures as follows.

Install a Brush:
• Align the notches of the brush with the lugs of the
drive casting.
• Turn the brush clockwise to lock onto the drive
casting.
• Turn the brush counter-clockwise to remove.

Always turn OFF all machine switches before
performing any maintenance.
Adjusting the Squeegee Assembly:
As the machine is used, the squeegee blades will
wear or need to be replaced due to damage. Some
adjustment may be needed.
• Squeegee blades should lie over slightly (like a
window squeegee) when the machine is moving
forward or in reverse.
• Adjust the blade angle by turning the wing nut on
the pivot arm clockwise/counterclockwise.

Install the Squeegee Assembly:
• Place the squeegee lift arm in the storage (up)
position.
• The squeegee assembly mounts to a metal bracket
at the bottom center of the machine, using two (2)
mounting knobs. Loosen the mounting knobs and
slide the squeegee assembly onto the mounting
plate.
• The squeegee assembly has two (2) small wheels
to prevent “rollover” while in reverse. The roller
wheels must face the operator. Hand tighten the
mounting knobs. Do not use pliers to tighten
knobs, as this will defeat the “break-away” design.
• Do not add any weights or other pressure to the
squeegee mechanism. This will not improve the
performance and will shorten the life of the blades.

Daily Maintenance
Solution and Recovery Tanks
• Drain the solution tank through the solution valve or
the sight hose at the rear of the machine.
• The recovery tank is emptied through the black
hose at the rear of the machine. Remove the plug
and drain the liquids according to your local EPA
regulations.

4

• Every time you empty the recovery tank, we
recommend that you add at least 4 to 6 ounces of
defoamer chemical into the recovery tank before
resuming work. Vacuum the defoamer into the
empty recovery tank through the squeegee vac
hose.
• At the end of the day empty all liquids from both
solution and recovery tanks. Rinse both tanks with
clean water to prevent chemical residue build-up,
allow to air - dry to prevent odors.
• Remove any residue from screen and float ball to
ensure proper operation. Replace float assembly
in recovery tank.

• Inspect for wear or damage. Repair or replace as
needed.
Squeegee Assembly
• Remove squeegee assembly from machine.
• Rinse with clean water to prevent chemical residue
build-up.
• Allow to air dry, it can be stored on top of the
machine for drying.
• Inspect the squeegee assembly, linkage, and
vacuum hose, for wear, damage or obstruction.
Repair or replace as needed.
• Remove debris from squeegee hose and entrance
to recovery tank.
Weekly Maintenance (20 Hours)
• Verify all daily maintenance has been performed.
• Inspect all battery liquid levels. Adjust to proper
level as needed. Add only water
• Check all battery terminal and cable connections.
Tighten as needed. Loose connections are
dangerous and can cause personal injury and
machine damage.
• Clean any corrosion from battery terminals and
cables.
• Drain all liquids from battery compartment.
Dispose of according to local EPA regulations.
• Check solution flow to pad drivers / brushes. Flush
clean solution tank and hoses with a mixture of 8
oz. (250ml.) white vinegar to one-gallon (4 liter)
warm water.
• Repair or replace any worn or damaged
components as needed.
****CAUTION****
Inspect and replenish battery water in every cell in
every battery weekly. Failure to maintain proper
electrolyte level in every cell of every battery will
cause premature battery failure, and void the
warrantee.

• Check clear lid for airtight seal.
• Check the drain hose for damage and / or
restriction, to access the hose, remove the clean
out cap from inside the Recovery tank, replace the
cap before using the machine.
Battery Charging
• The master power switch and all other switches
must be turned OFF.
• Recharge the batteries at the end of every shift or
when indicated by the battery meter. Read the
battery meter while the machine is in use.
*115 AH batteries require 9-12 hours to fully
charge.
NOTE: If battery charger is unplugged before the
charging cycle is completed, it may take up to five
minutes before the machine to be able to be turned
on.
• Consult your local authorized NSS distributor or
service center for assistance.
Battery Electrolyte (Liquid) Level
Inspect the electrolyte level of at least one cell in
each battery before daily charging. The liquid must
be visible above the internal plates. Do not charge
the batteries if the liquid is below the plates.
• Add only water to the cell of a battery to adjust the
liquid level. Distilled water preferred, Do Not use
well water. Before charging, add only enough
water to cover the top of the internal plates. After
charging add only enough water to bring the level
to the bottom of the fill tube.
• Do not overfill the battery liquid level, this will
cause electrolyte (acid) spill. Spilled electrolyte
(acid) can cause machine damage and personal
injury. Clean up and dispose of all spills
immediately.
• Every cell of every battery must be checked and
replenished once per week.
• See the battery-warning sheet (page 2) for more
details.

Monthly Maintenance (100 Hours)
• Verify all daily and weekly maintenance has been
performed.
• Lubricate the axle bearings of the two large 8”
(20cm) wheels. Use high-grade water-resistant
grease.
• Lubricate the caster with moisture resistant
foaming-type spray.

Mandatory Periodic Maintenance
It is important for you to read the hour meter for hours
used in order to perform this machine maintenance.
It is mandatory that the following maintenance
procedure be performed at the described interval..
Failure to perform this procedure may result in poor
machine performance, machine component damage
and failure. This procedure should be performed by
an NSS authorized distributor or service center.
Repairs performed by an unauthorized company will
void the machine warranty. If you require assistance
finding an authorized service center, please contact
NSS Enterprises, Inc.

Pad Drivers or Brushes
• Remove either pad drivers or brushes from
machine after use.
• Rinse with clean water to prevent chemical residue
build-up.
• Allow to air-dry, on a peg or upside down on a
shelf.

5

After every 450-500 hours of operation you must
inspect vacuum motor carbon brushes for wear.
Replace the vacuum motor carbon brushes when
they are 7/16in. (11mm) in length.

CONTROLS (see figure below)
1. Three-digit display + symbol (1), to view A = the
charging current, U = the battery voltage, h = the
charging time, C = the charging ampere-hours
[Ah], E = the energy used [KWh].
2. Button for the Selection of the display mode
(2):A, U, h, C, E. After about 10 seconds the
display returns to the visualization of the charging
current.
3. Red control indicator (3): when it is on, the
charging cycle has started.
4. Yellow control indicator (4): when it is on, the final
phase of the charging cycle has started.
5. Green control indicator (5): when it is on, the
charging cycle has finished.

After every 650-700 hours of operation you must
inspect brush motor carbon brushes for wear.
Replace the brush motor carbon brushes when they
are 1/2in. (13mm) in length.

BATTERY CHARGER OPERATING
INSTRUCTIONS
GENERAL INFORMATION AND WARNINGS
• NSS machines are delivered with the SPE charger
set to Curve #1 for Crown batteries.
• Electronic automatic battery charger with
microprocessor suitable for any battery type.
• Fully automatic charging cycle with electronic
setting; protected against overload, short-circuit at
clamps and reversed polarity.
• Before starting to charge, make sure the voltage of
the equipment suits the voltage of the battery, that
the charging current suits the capacity of the
battery and that the selected charging curve (for
lead-acid batteries or airtight gel batteries) is
correct for the type of battery to be charged. In
addition, make sure the rated input voltage of the
charger suits the available supply voltage and the
system is equipped with grounding.
• Pay attention to any remarks of the battery
manufacturer.

OPERATION
• Plug the cord into a socket.
• Now, the battery charger’s display will show a
sequence of details on the charger’s internal
programming: after the name “SPE”, it will show
the software release installed in the equipment,
then, in sequence, the following parameters:
battery voltage, charging current, charging curve
number and, finally, the words “GEL” or “Acd”
depending on the set up charging curve being
suitable for airtight gel batteries or lead-acid
batteries. Now, a test is run on the battery voltage
to decide if the charging process should be started
or not. If the battery is not connected to the battery
charger, the display will show the word “bat”. The
word will stay on, even if the test is failed (for
instance, reversed polarities or incorrect battery
connection). If the test is passed, the display will
show the battery voltage for approximately 5
seconds and the battery will begin to be charged.
The charging cycle progress will be shown by red
(3), yellow (4) and green (5) LED indicators. At the
end of the charge, when the green indicator (5) is
on, unplug the cord from the socket and operate
the machine.

SMART BATTERY CHARGER

3

4

5
A = Amps
U = Volts
h = hours
C = Ah
E = KWh

1

S
2
MOD. CBHF1-SM 24V 12A

FRONT PANEL OF BATTERY CHARGER MODEL
CBHF1-SM

6

CBHF1-SM DIP SWITCH CONFIGURATION
Through the set of 8 dipswitches it is possible to change the charging curve (15 charging curves are available for
Wet and Gel batteries and it is possible to customize the charging profile under the specifications of battery
manufacturers), the battery voltage (12V or 24V) and the charging current (4A or 8A or 10A or 12A). The set of 8
dip switch is easy to find (is located under the front label of the charger, lifting the corner on the bottom-left) without
opening the charger.
ON
DIP1 DIP2 DIP3 DIP4 for the selection of the CHARGING CURVE
DIP1

DIP2

DIP3

DIP4

CHARGING CURVE
0 – Special Curve for charging CROWN Lead-Acid (wet) batteries.
ON
ON
ON
ON
SETTING FOR NSS 2392111 - BATTERY, WET 12V, 115 AMP/HR
6393651 - BATTERY WET, 12V, 145 AMP/HR
1 – Curve for charging AGM SEALED LEAD-ACID batteries w/float charge.
OFF
ON
ON
ON
SETTING FOR NSS 2392731 AGM BATTERY, 12V, 100AMP/HR
ON
OFF
ON
ON
2 - Curve for charging typical GEL sealed lead acid batteries.
OFF
OFF
ON
ON
3 – Wet batteries with float, 3.5A finish, formerly curve #4.
*For batteries from manufacturers other than crown, contact NSS customer service for a recommended
algorithm. Not all other manufacturer’s batteries are compatible with the chargers supplied on NSS
equipment.
DIP5 DIP6 DIP7 for the selection of the CURRENT
DIP8 for the selection of the battery voltage
DIP5 DIP6 DIP7 CURRENT
DIP8
VOLTS
ON
ON
ON
4A
ON
12
OFF
24
OFF
ON
ON
8A
ON
OFF
ON
10A
OFF OFF
ON
12A

PROBLEMS
The battery charger does not switch on
The charging cycle does not start and the message
‘bat’ is displayed.
The yellow indicator (4) will not light up even 15 hours
from the starting of the charging cycle, and the display
shows E03.
The message E01 is displayed
The message E02 is displayed.

SOLUTIONS AND CHECKS
Check that the plug is connected to the supply mains and
that the circuit breaker is efficient.
Check the connection to the battery and the polarity.
Check the battery for possible faulty components.

This means that the maximum voltage admissible by the
battery has been exceeded. The charging is interrupted.
This means that the maximum temperature has been
exceeded. The charging is interrupted.

The message SCt is displayed

SCt is a fault code indicating time out before charge cycle
completed..

The message Srt is displayed
The message EdU is displayed
The message EdI is displayed

This signals a possible internal short circuit.
The batteries are damaged and need replaced.
The batteries are damaged and need replaced.

7

TROUBLE-SHOOTING
PROBLEM
No Solution Flow.

Solution Flow Does Not Stop.

Will Not Pick Up Any
Water From Floor.

Will Not Pick Up All Of The
Water From The Floor.

Batteries Do Not Seem To
Run Long Enough.

CAUSE

SOLUTION

Solution tank is empty.
Low battery charge.
Clogged filter.
The solution valve is closed.
Obstruction in the solution hose.
Solution valve or linkage damaged.
Solution hose kinked.
The solution valve is open.
Solution valve or linkage damage.
The solution valve is dirty.
Damaged seat and washer in valve.
The valve stem is dirty.
Hose disconnected or damaged between sol.
tank & valve.
Squeegee is up.
Squeegee hose is off or plugged.
Vac motor switch is off.
Recovery tank is full.
Vacuum shut-off float is stuck.
Obstruction / damage in the squeegee,
squeegee hose or standpipe.
Leaking over gasket.
Vac motor is not running.
Recovery drain hose not plugged properly.
Debris on squeegee blades.
Squeegee blade is worn / damaged.
Obstruction / damage in the squeegee,
squeegee hose, or standpipe.
Squeegee angle needs adjustment.
Vacuum motor worn out.
Recovery tank drain hose damaged.

Clean squeegee.
Reverse / replace squeegee blade.
Remove obstruction / repair damage.
Adjust angle.
Repair / replace vac motor.
Repair / replace recovery drain hose.

Tops of batteries are dirty / wet.
Battery terminals are dirty / damaged, or loose.

Cleaning Is Not Even.

Machine does not run.

Brush / pad is worn.
Damage to brush assembly; casters or
solution valve.
Circuit breaker tripped.
Battery cables loose or not connected.
Batteries not charged.
Battery charger was unplugged before the
charge cycle was completed.

Lower squeegee.
Reinstall hose. Remove cap inside the
Recovery tank to clean hose restriction.
Turn vac motor switch “on”.
Empty tank.
Open float valve/remove obstruction.
Remove obstruction / repair damage.
Remove old gasket / replace.
Have an authorized serviceman repair.
Install drain hose plug properly.

Over charging batteries. (Charging too
frequently).

Electrolyte level is too low.
Batteries are not fully charged.
Charger is damaged.
Battery is defective or worn out.

Fill the tank.
Charge the batteries.
Clean filter.
Open the solution valve.
Remove the obstruction.
Repair / replace the valve linkage.
Check for kinks and remove.
Close the solution valve.
Repair / replace the valve linkage.
Clean the solution valve.
Replace valve.
Clean and lubricate valve stem.
Reinstall or replace hose.

Monitor run time, and adjust charging
frequency accordingly.
Clean / dry, charge batteries.
Clean terminals, and connectors, replace
damaged cables. Charge.
Add distilled water and charge.
Charge batteries for 8 hours.
Have an authorized serviceman repair.
Check cell voltage while discharging.
Replace brush / pads.
Have an authorized serviceman repair.
Reset circuit breaker.
Check and connect or tighten.
Charge batteries.
Wait (up to five minutes) and try again.

NOTE: If any problems remain after taking the above steps, contact your local authorized distributor /
service station for further evaluation and repair.

NSS® Enterprises, Inc.
3115 Frenchmens Road, Toledo, Ohio 43607
PHONE (419) 531-2121 FAX (419) 531-3761
WRANGLER 1708 AB / 2008 AB OPERATION MANUAL
Orig.11-04 Rev G 11-10 9092007

NSS ® Enterprises, Inc. European Distribution Centre
Unit II, Pinfold Trading Estate * 55 Nottingham Road
STAPLEFORD, NOTTINGHAM NG9 8AD ENGLAND U.K.
PHONE: (44) 0115 939 1568 * FAX: (44) 0115 949 0615



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