Chicago Electric 93188 Users Manual

Chicago Electric Plumbing Product 93188 93188

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2015-02-10

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50 FT. DRAIN CLEANER
WITH POWER FEED
93188

ASSEMBLY AND OPERATING INSTRUCTIONS

Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com

Read this material before using this product.
Failure to do so can result in serious injury.
Save this manual.
Copyright© 2006 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained
herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may
differ slightly from the product described herein. Tools required for assembly and service may not be included.

For technical questions or replacement parts, please call 1-800-444-3353.

Specifications
Construction

Formed and Welded Steel with
Features
Heavy Duty Motor and Steel Drum

Forward / Reverse Gears
Aluminum Friction Clutch
Cable Lockdown

Electric Motor

Heavy Duty 120 V~
1/3 HP
1785 RPM

Power
Required

120 V~ / 60 Hz, 516 Watts
10.8 Amps Start up,
4.3 Amps running

Power Cord

#16 AWG X 3C, 6’4” long

GFCI
Equipped

Class A, 120 V~ / 60 Hz, 20 Amp

Drum
Dimensions

6” W x 13” Diameter

Cable Type

Spring Steel with Coupler End
50’ L x ½” Cable Diameter
(0.123” Wire Diameter)

Overall
Dimensions

40” H at Handle
17” W x 22” L
Net Weight: 87.3 lb.

Pipe
Compatibility

For use with pipes having
1-¼” to 4” I.D.

CAUTION: DO NOT USE THIS DRAIN CLEANER ON DRAIN LINES SMALLER THAN
TWO INCHES. DAMAGE MAY OCCUR TO EQUIPMENT OR PIPES.

Save This Manual
You will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with
this manual. Write the invoice number on the inside of the front cover. Keep the manual and
invoice in a safe and dry place for future reference.

General Safety Rules
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS
Failure to follow all instructions listed below may result in
electric shock, fire, and/or serious injury.
SAVE THESE INSTRUCTIONS

Work Area
1.

Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.

Do not operate power tools in explosive atmospheres, such as in the presence
of flammable liquids, gases, or dust. Power tools create sparks which may ignite
the dust or fumes.

Keep bystanders, children, and visitors away while operating a power tool. Distractions can cause you to lose control. Protect others in the work area from debris
such as chips and sparks. Provide barriers or shields as needed.

SKU 93188

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Page 2

Electrical Safety
1.

Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and
refrigerators. There is an increased risk of electric shock if your body is grounded.

Do not expose power tools to rain or wet conditions. Water entering a power tool
will increase the risk of electric shock.

Grounded tools must be plugged into an outlet properly installed and grounded
in accordance with all codes and ordinances. Never remove the grounding prong
or modify the plug in any way. Do not use any adapter plugs. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded.
If the tools should electrically malfunction or break down, grounding provides a low
resistance path to carry electricity away from the user.

Double insulated tools are equipped with a polarized plug (one blade is wider
than the other). This plug will fit in a polarized outlet only one way. If the plug
does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a
qualified electrician to install a polarized outlet. Do not change the plug in any
way. Double insulation eliminates the need for the three wire grounded power cord
and grounded power supply system.

Do not abuse the Power Cord. Never use the Power Cord to carry the tools or pull
the Plug from an outlet. Keep the Power Cord away from heat, oil, sharp edges,
or moving parts. Replace damaged Power Cords immediately. Damaged Power
Cords increase the risk of electric shock.

When operating a power tool outside, use an outdoor extension cord marked
“W-A” or “W”. These extension cords are rated for outdoor use, and reduce the risk
of electric shock.

Personal Safety
1.

Stay alert. Watch what you are doing, and use common sense when operating a
power tool. Do not use a power tool while tired or under the influence of drugs,
alcohol, or medication. A moment of inattention while operating power tools may
result in serious personal injury.

Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep
your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or
long hair can be caught in moving parts.

Avoid accidental starting. Be sure the Power Switch is off before plugging in.
Carrying power tools with your finger on the Power Switch, or plugging in power tools
with the Power Switch on, invites accidents.

Remove adjusting keys or wrenches before turning the power tool on. A wrench or
a key that is left attached to a rotating part of the power tool may result in personal injury.

Do not overreach. Keep proper footing and balance at all times. Proper footing
and balance enables better control of the power tool in unexpected situations.

SKU 93188

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Page 3

Use safety equipment. Always wear eye protection. Dust mask, nonskid safety
shoes, hard hat, or hearing protection must be used for appropriate conditions.

Tool Use and Care
1.

Do not force the tool. Use the correct tool for your application. The correct tool
will do the job better and safer at the rate for which it is designed.

Do not use the power tool if the Power Switch does not turn it on or off. Any tool
that cannot be controlled with the Power Switch is dangerous and must be replaced.

Disconnect the Power Cord Plug from the power source before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures
reduce the risk of starting the tool accidentally.

Store idle tools out of reach of children and other untrained persons. Tools are
dangerous in the hands of untrained users.

Check for misalignment or binding of moving parts, breakage of parts, and any
other condition that may affect the tool’s operation. If damaged, have the tool
serviced before using. Many accidents are caused by poorly maintained tools.

Use only accessories that are recommended by the manufacturer for your model.
Accessories that may be suitable for one tool may become hazardous when used on
another tool.

Service
1.

Tool service must be performed only by qualified repair personnel. Service or
maintenance performed by unqualified personnel could result in a risk of injury.

When servicing a tool, use only identical replacement parts. Follow instructions
in the “Inspection, Maintenance, And Cleaning” section of this manual. Use of
unauthorized parts or failure to follow maintenance instructions may create a risk of
electric shock or injury.

Specific Safety Rules for This Product
1.

Maintain labels and nameplates on the Drain Cleaner. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement.

Always wear ANSI-approved safety impact eye goggles and heavy, leather work
gloves when using the Drain Cleaner. Never grasp a rotating cable with a rag or
cloth glove. Using personal safety devices reduce the risk for injury. Safety impact eye
goggles and heavy work gloves are available from Harbor Freight Tools.

Avoid unintentional starting. Make sure you are prepared to begin work before turning on the Drain Cleaner.

Do not force the Drain Cleaner. This tool will do the work better and safer at the speed
and capacity for which it was designed.

SKU 93188

For technical questions, please call 1-800-444-3353

Page 4

Maintain a safe working environment. Keep the work area well lit. Make sure there
is adequate surrounding workspace. Always keep the work area free of obstructions,
grease, oil, trash, and other debris. Do not use a power tool in areas near flammable
chemicals, dusts, and vapors

Always unplug the Drain Cleaner from its electrical outlet before performing any
inspection, maintenance, or cleaning procedures.

Never leave the Drain Cleaner unattended while running. Turn power off if you have
to leave the Drain Cleaner.

Before each use, check all nuts, bolts, and screws for tightness. Vibration during
operation may cause these to loosen.

Avoid electrical shock. Do not operate the Drain Cleaner if sitting in standing water,
and if the operator is in standing water. Keep extension cord off the ground and away
from water. Water increases the risk of electric shock.

10.

Always connect the Line Cord to a Ground Fault Circuit Interrupter (GFCI) protected electrical outlet.

11.

Install this product on a proper surface. Locate on a flat, level, and solid surface
that is capable of supporting the weight of the Drain Cleaner.

12.

Never operate the Drain Cleaner with the belt guard removed. Fingers can get
caught between the drive belt and pulley.

13.

Do not overstress cable. Keep gloved hand on the cable for control when machine is
running. In the course of drain cleaning, if the cable encounters an obstruction, it may
stress the cable and cause the cable to twist, kink, or break. This may result in serious
injury, and damage the equipment or pipes.

14.

Position Drain Cleaner within two feet of drain opening. Greater distances can
result in the cable twisting or kinking.

15.

For safest operation, the Drain Cleaner should be run only by the operator controlling the Foot Switch and Cable.

16.

Reversing the Motor direction should only be done when pulling the Cable out
of the pipe, or off an obstruction. Trying to push the Cable down the pipe while in
reverse operation can result in Cable damage. Make sure Drum has stopped turning
before changin the Motor Direction Switch (5).

17.

Keep hands away from the rotating Drum (38a) and Feed Pipe (42a). Do not reach
into Drum unless the Drain Clean power cord is unplugged.

18.

Avoid contact to eyes and skin of any drain cleaners that may have been used to
unclog the drain previous to using the Drain Cleaner. These chemicals can burn
the eyes and skin. They may also damage the Cable.

19.

Be aware of possible damage to drain lines that may result from the discovery
of roots and other obstacles.

20.

WARNING! People with pacemakers should consult their physician(s) before
using this product. Electromagnetic fields in close proximity to a heart pacemaker

SKU 93188

For technical questions, please call 1-800-444-3353

Page 5

could cause interference to or failure of the pacemaker.
In addition, people with pacemakers should adhere to the following:
• Avoid operating power tools alone.
• Properly maintain and inspect all tools before use to avoid electrical shock.

GROUNDING
WARNING!
Improperly connecting the grounding wire can result in the risk of electric shock.
Check with a qualified electrician if you are in doubt as to whether the outlet is
properly grounded. Do not modify the power cord plug provided with the tool.
Never remove the grounding prong from the plug. Do not use the tool if the
power cord or plug is damaged. If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet installed by
a qualified electrician.

Grounded Tools: Tools With Three Prong Plugs
1.

Tools marked with “Grounding Required” have a three wire cord and three prong grounding plug. The plug must be connected to a properly grounded outlet. If the tool should
electrically malfunction or break down, grounding provides a low resistance path to carry
electricity away from the user, reducing the risk of electric shock. (See Figure A.)

The grounding prong in the plug is connected through the green wire inside the cord
to the grounding system in the tool. The green wire in the cord must be the only wire
connected to the tool’s grounding system and must never be attached to an electrically
“live” terminal. (See Figure A.)

Your tool must be plugged into an appropriate outlet, properly installed and grounded in
accordance with all codes and ordinances. The plug and outlet should look like those
in the following illustration. (See Figure A.)

FIGURE A

FIGURE B

Double Insulated Tools: Tools With Two Prong Plugs
1.

Tools marked “Double Insulated” do not require grounding. They have a special double
insulation system which satisfies OSHA requirements and complies with the applicable

SKU 93188

For technical questions, please call 1-800-444-3353

Page 6

standards of Underwriters Laboratories, Inc., the Canadian Standard Association, and
the National Electrical Code. (See Figure B.)
2.

Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration. (See Figure B.)

Ground Fault Circuit Interrupter (GFCI)
A Ground Fault Circuit Interrupter (GFCI) is manufactured within the Power Cord (15),
about midway, due to the risk of electrical shock when operating the Drain Cleaner, and its
proximity to water and ground. The GFCI provides additional protection from the risk of electrical shock.

Make sure that the Motor Direction Switch is in the Off position before plugging in the
Drain Cleaner.

Plug the GFCI Power Plug into a grounded, 120 VAC electrical outlet.

Press the TEST button, then press the RESET button. The GFCI indicator should show
Red in the window.

If the indicator is not red, try plugging the Power Cord into a different electrical outlet
and repeat the steps. If the same results occur, have the Power Cord inspected by a
licensed electrician. Repair or replacement must be completed by a licensed electrician.

Note: The Power Cord is not GFCI protected from the GFCI unit to the 3-prong plug in the
electrical outlet.

Extension Cords
1.

Grounded tools require a three wire extension cord. Double Insulated tools can use
either a two or three wire extension cord.

As the distance from the supply outlet increases, you must use a heavier gauge extension cord. Using extension cords with inadequately sized wire causes a serious drop
in voltage, resulting in loss of power and possible tool damage.
(See Figure C, next page.)

The smaller the gauge number of the wire, the greater the capacity of the cord. For
example, a 14 gauge cord can carry a higher current than a 16 gauge cord.
(See Figure C.)

When using more than one extension cord to make up the total length, make sure each
cord contains at least the minimum wire size required. (See Figure C.)
REV 08e

SKU 93188

For technical questions, please call 1-800-444-3353

Page 7

If you are using one extension cord for more than one tool, add the nameplate amperes
and use the sum to determine the required minimum cord size.
(See Figure C.)

If you are using an extension cord outdoors, make sure it is marked with the suffix “W-A”
(“W” in Canada) to indicate it is acceptable for outdoor use.

Make sure your extension cord is properly wired and in good electrical condition. Always replace a damaged extension cord or have it repaired by a qualified electrician
before using it.

Protect your extension cords from sharp objects, excessive heat, and damp or wet
areas.
RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS*
(120 or 240 VOLT)

NAMEPLATE
AMPERES

EXTENSION CORD LENGTH

(at full load)

25 Feet

50 Feet

75 Feet

100 Feet

150 Feet

0 – 2.0

2.1 – 3.4

3.5 – 5.0

5.1 – 7.0

7.1 – 12.0

12.1 – 16.0

16.1 – 20.0

FIGURE C

* Based on limiting the line voltage drop to five volts at 150% of the rated amperes.

Symbology
Double Insulated
Canadian Standards Association
Underwriters Laboratories, Inc.

V~
A

SKU 93188

Volts Alternating Current
Amperes

For technical questions, please call 1-800-444-3353

Page 8

Operating Instructions
The following sections describe the operational components and controls of the Drain
Cleaner, as well as its operation and application.

Operational Components and Controls
Warning: Do not allow your hands, clothing or any other object to become caught
between the belt and the drum. Serious personal injury could result.
1.

The main operational components of the Drain Cleaner tool are the Motor (7), with its
Motor Direction Switch (5), Foot Switch (14) and the Cable Feed Unit (44a) with its
direction controller.

The Motor (7) is connected to the Drum (38a) using a Drive Belt (2). When turned on,
the Motor turns the Drum, which causes the Spring Cable (39a) to rotate. Rotation of
the Spring Cable helps it to move through bends or turns in the drain line, and also to
drill through soft clogs, or entangle harder clogs for removal. (See photo below, left.)

The Motor Direction Switch (5) has NORMAL, UNBIND and OFF settings. NORMAL
will set the Spring Cable to rotate clockwise (viewed from machine rear), causing it to
bore into or entangle any obstruction. UNBIND will cause the Spring Cable to rotate
counterclockwise (viewed from machine rear), causing it to unwind from any obstruction. (See photo below, right.)

Motor (7), Drum (38a) and Drive Belt (2).

The Motor is controlled by a Foot Switch (14). Whenever the Motor Direction Switch
(5) is in the NORMAL or UNBIND position, stepping on the Foot Switch (14) will cause
the motor to run and the Drum (38a) to turn. NOTE: The Foot Switch is in a rubber boot
to make it water-resistant. (See photo on page 10, top-left.)

The rotating Drum causes the Spring Cable (39a) to rotate along its axis like a drill.
The Direction Lever (44-16) on the Cable Feed Unit (44a) controls the motion of the
Spring Cable (39a) forward into the drain or back into the Drum (38a). The feed tension
is control by the Star Knob (44-13). See photo on page 10, top-right. The Star Knob
(44-13) must be loosened before changing the position of the Direction Lever (44-16),
and then retightened after the adjustment.

SKU 93188

Motor Direction Switch (5)

For technical questions, please call 1-800-444-3353

Page 9

Star Knob
(44-13)

Foot Switch (14): Press On, release Off

Direction Lever (44-16): Pull Up: forward direction,
Center: neutral; Push down: slow reverse, Fast
reverse direction.

Attaching Guide Spring (48)
While following these procedures, it may be helpful to refer to the Parts List and Assembly
Drawings located at the end of this manual.
1.

Unplug the Power Cord from the electrical outlet.

Pull up on the Direction Lever (44-16) to place it in the NEUTRAL position.

Loosen Tension Knob (44-13) and pull out three feet of cable from the Drum (38a).

Slide the Guide Spring (48) over the cable and onto the Adapter (44-3) on the end of
the Cable Feed Unit.

Pull out and align the Spring Loaded Pin (46) on the Guide Spring, with the hole in the
Adapter (44-3).

Retighten Tension Knob (44-13).

Select and Attach Proper Cutting Tool
There are four Cutting Tools included with the Drain Cleaner. Select the appropriate
tool for the cleaning job and attach to Cable (39a). Each is described in the table below.
Cutter Tool

Application

Arrow Cutting Head (58)

Starting tool for cutting and scraping

Auger Bulb (59)

Starting tool to remove loose objects

1-1/2” U-Cutter (57)

Finishing tool for grease stoppages and scraping pipe walls

1-1/4” Side Cutter Blade (56)

Starting / Finishing tool to remove loose objects and scraping pipe walls

Select the desired cutter tool and insert it into the female connector located at the end
of the Cable (39a). It is recommended to start with the Arrow Cutting Head (58) or Auger Bulb (59). Once the drainpipe is opened, then use the 1-1/2 U-Cutter (57) or 1-1/4”
Side Cutter Blade (56) to scrape the inside wall of the drain pipe, for a more thorough
cleaning job. Secure the cutter tool to Cable (39a) with Round Head Bolt (61) and Flat
Washer (60).
REV 08e

SKU 93188

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Page 10

Drain Cleaning Operation
CAUTION: DO NOT USE THIS DRAIN CLEANER ON DRAIN LINES SMALLER THAN
TWO INCHES. DAMAGE MAY OCCUR TO EQUIPMENT OR PIPES.
1.

Place the Drain Cleaner within two feet of the drain pipe inlet.

Pull Cable (39a) from the Drum (38a) and begin feeding it into the drain pipe inlet as
far as it will go manually.

Verify that the Motor Direction Switch (5) is in the Off position, then plug the Power
Cord (15) into an electrical outlet. Press the Reset button on the GFCI.

Loosen the Star Knob ( 44-13) by turning it counterclockwise until it is no longer
pressing against the cable. See photo on page 10.

Pull the Direction Lever (44-16) up (FORWARD) to feed Cable out of the Drum.
Pushing the Direction Lever down (REVERSE) will retract the Cable back into the
Drum. When the lever is in the middle (NEUTRAL) position, the Cable will spin in
place.

Move the Motor Direction Switch (5) to the Forward position. 6. Caution: Do not
force the Cable. Let the cutter do the work.

Turn (clockwise) the Star Knob (44-13), at the top of the Cable Feed Unit, until the
feed roller touches the Cable, then one quarter additional turn. Do not overtighten,
excessive cable wear will occur. See photo on page 10.

Wearing a leather glove, place your hand on the Guide Tube or Cable, press the Foot
Switch (14) to start the forward Cable movement. Feed the Cable into the drain pipe
inlet with a firm and even pressure against any resistance. Adjust the feeding rate to
the resistance met. Do not force the Cable. Let the cutter do the work. Run hot water down the drain pipe during and after the removal of the stoppage to wash away
debris.

After the drain pipe has been opened, return the cable to the Drum.
To do that: Place the Direction Lever (44-16) in the UNBIND direction. Press the Motor
Direction Switch (5) to the NORMAL position. Press on the Foot Switch (14) to recoil
Cable. When the cutter head is near the drain pipe inlet, release Foot Switch to stop
Drum rotation. NOTE: If necessary, replace the cutter tool with the U-Cutter or Side
Cutter, and reenter the drain pipe to clean the pipe walls.

10.

Caution: Avoid damage to Cable or cutting tool. Do not use the Motor Direction Switch
(5) in the Reverse position to pull the Cable out of the drain pipe. Always leave the
Switch (5) in the NORMAL position, whether feeding the Cable into the drain pipe, or
pulling it out. Use Reverse position only to release the Cable if it should become caught
in the drain pipe line, and only for a few seconds.

11.

When the job is complete, unplug the Power Cord from the electrical outlet and coil it.
Store the Drain Cleaner and cutter tools in clean and dry location.
REV 07d, 07f, 08e

SKU 93188

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Page 11

OPERATING TIPS
When Cable starts
to bend, twist or
whip
When Cable has
trouble getting
around tight bends
in drain pipe

When Cable reaches clog in drain pipe

Too much slack in Cable or cutter tool caught in stoppage. Release Foot Switch, press Direction Lever down to temporarily
reverse cable feed direction, and re-wind to relieve twist on Cable.
Pull direction lever up (FORWARD) to continue.
Press Motor Direction Switch (5) to Reverse while applying
steady pressure to Cable. Keep in mind that this will reverse auto
feed operation as well. Do for only a few seconds to pass bend.
More time could cause tangling or kinks in the Drum. If problem
persists, Cable is too large for pipe. Switch to a drain cleaner with
a smaller cable
Do not force Cable through stoppage. Press Direction Lever to
neutral position. Allow Cable to progress forward slowly, chewing stoppage. Slow forward move-ment reduces stress on Cable,
while cleaning better. Try back and forth Cable movement, using the Direction Lever (44-16).9. After the drain pipe has been
opened, return the cable to the Drum. To do that: Place the Direction Lever (44-16)

Troubleshooting
Problem
Motor cuts off during use
and will not restart.
Cable kinks, twists, or
breaks

Cable tangles in drum

Probable Cause(s)
The motor may have been
shut off by it’s internal
thermal protection switch.
1. Too much force on the
cable
2. Too much slack between Drain Cleaner
and drainpipe inlet
3. Cable used is wrong
size for drain pipe
4. Cable exposed to acid
5. Cable worn out
1. Too much force on the
cable
2. Motor running in reverse
3. Distributor tube frozen

Solution(s)
Allow motor to cool off completly before restarting.
1. Do not force cable. Let cutter tool do the work
2. Move Drain Cleaner to
within two feet of drainpipe
inlet.
3. Change cable size
4. Clean and oil cable regularly
5. Replace cable
1. Do not force cable. Let cutter tool do the work
2. Retract Cable with the Motor Direction Switch (5) in
the Forward position
3. Lubricate distributor tube
bearings
REV 08a, 08e

SKU 93188

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Page 12

Troubleshooting
Problem
Probable Cause(s)
Drum stops while Foot
Defective Foot Switch
Switch is pressed. Restarts
when Foot Switch is released
Power Cord GFCI trips when 1. Motor Direction Switch
unit is plugged in or when
(5) defective
Foot Switch is pressed
2. Frayed Power Cord
3. Short circuit in Motor
4. Excess moisture touching Power Cord or Drain
Cleaner
5. Faulty GFCI unit

Solution(s)
Repair or replace Foot Switch

1. Repair or replace Motor
Direction Switch
2. Repair or replace Power
Cord
3. Have Motor repaired by a
qualified technician; Replace Motor
4. Remove moisture
5. Replace Power Cord with
GFCI
Motor stops during use.
The thermal protector will Wait for the motor to cool
stop the motor if it is over- down, (about 10 minutes),
heated.
then try restarting it.
The “Unbind/Normal” Switch The centrifugal switch re- Move the “Unbind/Normal”
does not work.
quires the motor to come
Switch to the “Off” position and
to a compleat stop before allow the motor to stop before
it will allow the direction of changing from “Normal to Unthe motor to be changed. bind” or visa versa.
The Foot Switch sticks
Overloading of the motor
Press the Foot Switch several
may cause the Foot Switch times to release it.
to stick.
Cable does not feed when
1. Cable tangled in Drum
1. Do not run Motor in reverse.
Foot Switch is pressed
Unplug Drain Cleaner and
2. Feed tension incorrect
manually pull cable out until
3. Feed roller frozen
tangle is cleared
4. Cable worn out
2. Adjust feed tension Star
Knob (44-13). If Knob is too
loose, cable will slip. If too
tight, rollers will wear prematurely
3. Clean and lubricated feed
rollers. Replace worn rollers
4. When cable coils wear flat,
cable should be replaced

REV 08e

SKU 93188

For technical questions, please call 1-800-444-3353

Page 13

INSPECTION, MAINTENANCE, AND CLEANING
WARNING! Make sure the Power Switch of the Drain Cleaner is in its “OFF”
position and that the tool is unplugged from its electrical outlet before performing any
inspection, maintenance, or cleaning procedures.

General
1.

Before each use, inspect the general condition of the Drain Cleaner. Check for loose
screws, misalignment or binding of moving parts, cracked or broken parts, damaged
electrical wiring, and any other condition that may affect its safe operation. If abnormal
noise or vibration occurs, have the problem corrected before further use. Do not use
damaged equipment.

Periodically recheck all nuts, bolts, and screws for tightness.

After each use, clean the Drain Cleaner components with a wet, clean cloth. Wipe dry
when clean.

Always keep Cable (39a) well oiled by pouring oil directly into the Drum (38a). Then
push the Motor Direction Switch (5) to the NORMAL position. The Drum will rotate. Do
this until the entire Cable is lubricated. Lubricate all other moving parts adequately to
protect against corrosion, sand, grit, and other abrasive material.

Store unit in a clean and dry location. Cover unit with a cloth cover.

Auto Feed Maintenance
Keep the auto feed mechanism free of excessive soil and grit. It is recommended that
it be flushed with fresh water, followed by a light oiling of the moving parts. No disassembly
is normally required. Failure to feed during operation can usually be traced to the build up of
soil and grit. Over time, dirt can harden enough to stop roller rotation. Flushing with water,
followed by liberal oiling can usually restore function. If disassembly is required, proceed
as follows:
1.

Remove the two bolts that hold the Front Cap (44-19) and internal roller to the Case
(44-11).

Slide the front Cap out of the Case and inspect and clean the roller as described
above.

Remove the four bolts that hold the End Cap (44-7) and Guide Rollers (3) to the Case
(44-11).

Slide the End Cap out of the Case and inspect and clean the three guide rollers as
described above.

While the Case is open, thoroughly clean and oil all parts and then reassemble in
reverse order.

SKU 93188

For technical questions, please call 1-800-444-3353

Page 14

Guide Wheel Replacement
Guide Wheels (44-9) due to excessive use may be damaged to a point of failure and
need replacement. Replace all three Guide Wheels at the same time.

Tangled Cable
If the Cable loops over itself in the Drum, it will not feed properly. With the motor stopped
and cord unplugged, remove and reload the Cable by hand to restore proper functioning. If
the Cable kinks, it is evidence of abuse and results from the use of too much pressure when
drain cleaning, or use of the wrong size Cable for the drain pipe being cleaned. Do not force
the Cable during use, let the cutter tool do the work.

Removing a Stuck Cable in the Drain Pipe
1.

If the cable gets caught in the drain pipe move the Motor Direction Switch (5) to the Off
position. Then, once the drum has stopped turning, move the Motor Direction Switch
(5) to the Reverse position to free the Cable.

If using the Power Cable Feed, putting the Motor in reverse will cause the feed Direction Lever (44-16) to operate opposite of normal.

Press the Foot Switch (14) while pulling on the Cable.

After the Cable is loose, move the Motor Direction Switch (5) back to the Forward position.

Caution: Running the Motor in reverse for more than a few seconds at a time can
cause the Cable to tangle in the Drum.

PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE
PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE
MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY
OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS
TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF
THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN
BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF
HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

SKU 93188

For technical questions, please call 1-800-444-3353

Page 15

Main Unit Parts List
Part

Description

Q’ty

Part

Description

Q’ty

Protect Shield

37A Drum Hub

Belt 6PK1145

38A Drum

Belt Wheel

39A Spring Cable

Bolt M6 x 16

Main Switch

42A Cable Guide

Lock Nut M6

44A Feed Unit

Motor

45 Retaining Ring

Lock Nut M10

46 Pin

9A Motor Holder

47 Pin Spring

10 Spring

48 Guide Spring

14 Foot Switch

54 Spring Washer Ø10

15 GFCI

55 Notched Washer

56 Inner Hex Bolt M8 x 18

57 Right Angle Guide

58 Cross-Head Bolt M5 x 8

20 Cotter Pin Ø3.2 x 25

59 Arrow Head Cutter

21 Pipe Cap

60 Bulb Auger

22 Wheel

61 1-1/2” U-Cutter

23 Washer Ø14

62 1-1/4” Side Cutter Blade

25 Hex Bolt M10 x 25

63 Hex Bolt M10 x 70

26 Star Nut M10

64 Flat Washer 6

27 Cap Nut M6

65 Block

28 Rubber Foot

66 Hinge A

29 Washer Ø6

67 Inner Hex Bolt M4 x 25

30 Phillips Bolt M6 x 40

68 Hinge B

31 Bolt M10 x 45

69 Tray

32 Washer Ø10

70 Washer #2

33 Axle for Drum

71 Cross-head Bolt M6 x 15

35 Washer #1

72 Sleeve

36 Lock Nut M8

16A U Handle
17 Star Knob M10 x 35
18A Frame

41 Hex Bolt M8 x 15

NOTE: Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts.

REV 08/06

SKU 93188

For technical questions, please call 1-800-444-3353

Page 16

Main Unit Assembly Drawing

REV 08/06

SKU 93188

For technical questions, please call 1-800-444-3353

Page 17

Parts List for Subassembly No. 44A (Feed Unit)
Part

Description

Q’ty

Part

Description

Q’ty

44-1 Base

44-15 Shaft Sleeve

44-2 Inner Hex Bolt M6x14

44-16 Direction Lever

44-3 Adapter

44-17 Handle Cap

44-4A Axle for Press Wheel

44-18 Spring

44-5A Guide Screw

44-6 Cable Sleeve

44-20 Bolt M6x10

44-7A End Cap

44-21 Inner Hex Bolt M6x18

44-8A Screw

44-22 Cap

44-23 Small Spring

44-10A Screw

44-24 Nylon Sleeve

44-11A Case

44-25 Steel Ball Ø10

44-12A Side Cap

44-26 Spring Washer Ø6

44-29 O-ring

44-30 Washer Ø8

44-9 Press Wheel

44-13 Star Knob M12
44-14A Shaft

44-19A Front Cap

Subassembly NO. 44A (feed unit)

REV 08/06

SKU 93188

For technical questions, please call 1-800-444-3353

Page 18

Limited 1 Year warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality
and durability standards, and warrants to the original purchaser that this product is free from
defects in materials and workmanship for the period of one year from the date of purchase
(90 days if used by a professional contractor or if used as rental equipment). This warranty
does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents,
repairs or alterations outside our facilities, normal wear and tear, or to lack of maintenance.
We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Some states
do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation of exclusion may not apply to you. This warranty is expressly in lieu of
all other warranties, express or implied, including the warranties of
merchantability and fitness.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the complaint
must accompany the merchandise. If our inspection verifies the defect, we will either repair or
replace the product at our election or we may elect to refund the purchase price if we cannot
readily and quickly provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted from causes not
within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353

SKU 93188

For technical questions, please call 1-800-444-3353

Page 19

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