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Page 5

SKU 66508 

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

tances can result in the cable twisting 

or kinking.

For  safest  operation,  the  Drain 

15. 

Cleaner should be run only by the 

operator controlling the Foot Pedal 

and Cable.
Reversing the Motor direction should 

16. 

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  changing  the 

Motor Direction Switch (5).

Keep hands away from the rotating 

17. 

Drum (38a) and Feed Pipe (42a). 

Do 

not reach into Drum unless the Drain 

Clean power cord is unplugged.

Avoid  contact  to  eyes  and  skin  of 

18. 

any  drain  cleaners  that  may  have 

been used to unclog the drain pre-

vious  to  using  the  Drain  Cleaner. 

These  chemicals  can  burn  the  eyes 

and skin. They may also damage the 

Cable.

Be  aware  of  possible  damage  to 

19. 

drain lines that may result from the 

discovery  of  roots  and  other  ob-

stacles.

20. 

WARNING!  People with pacemak-

ers should consult their physician(s) 

before using this product.

  Electro-

magnetic fields in close proximity to a 

heart pacemaker could cause interfer-

ence 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

 

TO PREVENT 

ELECTRIC SHOCK 

AND DEATH FROM INCORRECT 

GROUNDING WIRE 

CONNECTION: 

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

Tools  marked  with  “Grounding  Re-

1. 

quired” 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 3-Prong 

Plug and Outlet.)

Summary of Contents for 66508

Page 1: ...ts 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 technic...

Page 2: ...reate sparks which may ignite the dust or fumes Keep bystanders children and visi 3 tors 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 Electrical Safety Avoid body contact with grounded 1 surfaces such as pipes radiators ranges and refrigerators There is an incr...

Page 3: ...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 5 Keep proper foot ing and balance at all times Proper footing and balance enables better control of the power tool in unexpected situations Use safety equipment 6 Always wear eye protection Dust mask nonskid safety shoes hard hat or hearing p...

Page 4: ...re there is adequate surround ing 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 6 from its electrical outlet before performing any inspection mainte nance or cleaning procedures Never leave the Drain Cleaner unat 7 tended while running Turn power o...

Page 5: ...ysician s before using this product Electro magnetic fields in close proximity to a heart pacemaker could cause interfer ence 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 To prevent electric shock and death from incorrect groun...

Page 6: ...ong Plug 6 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 1 Switch is in the Off position before pl...

Page 7: ...l condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it Protect your extension cords from 8 sharp objects excessive heat and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 240 VOLT NAMEPLATE AMPERES at full load EXTENSION CORD LENGTH 25 50 75 100 150 0 2 0 18 18 18 18 16 2 1 3 4 18 18 18 16 14 3 5 5 0 18 18 16 14 ...

Page 8: ...tion 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 obstruc tion See photo below right Motor 7 Drum 38a and Drive Belt 2 Motor Direction Switch 5 The Motor ...

Page 9: ...Spring with the hole in the 5 Adapter 44 3 Retighten Tension Knob 44 13 6 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 59 Starting tool for cutting and scraping Auger Bulb 60 Starting tool to r...

Page 10: ... until the 7 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 8 Pneumatic Foot Pedal 14A 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...

Page 11: ... to a drain cleaner with a smaller cable When Cable reach es clog in drain pipe Do not force Cable through stoppage Press Direction Lever to neutral position Allow Cable to progress forward slowly chew ing stoppage Slow forward movement reduces stress on Cable while cleaning better Try back and forth Cable movement using the Direction Lever 44 16 Troubleshooting Problem Probable Cause s Solution s...

Page 12: ...needed The Unbind Normal Switch does not work The centrifugal switch re quires the motor to come to a complete stop before it will allow the direction of the motor to be changed Move the Unbind Normal Switch to the Off position and allow the motor to stop before changing from Normal to Un bind or visa versa The Foot Pedal sticks Overloading of the motor may cause the Foot Pedal to stick Press the ...

Page 13: ...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 5 The cable includes a Cable Stop 80 to prevent it from being overextended Loosen 6 the Bolts 81 and remove Stop if removing the cable When re installing Cable reat tach the Stop inside the drum when there are about two full turns of cable still in the ...

Page 14: ...maged to a point of failure and need replacement Replace all three Guide Rollers 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...

Page 15: ...1 39A Spring Cable 1 41 Hex Bolt M8 x 20 5 Part Description Qty 42A Cable Guide 1 44A Feed Unit 1 45 Retaining Ring 2 46 Pin 1 47 Pin Spring 1 48 Guide Spring 1 54 Spring Washer Ø10 2 55 Notched Washer 1 56 Inner Hex Bolt M8 x 8 2 57 Right Angle Guide 1 58 Cross Head Bolt M5 x 10 1 59 Arrow Head Cutter 1 60 Bulb Auger 1 61 1 1 2 U Cutter 1 62 1 1 4 Side Cutter Blade 2 63 Hex Bolt M10 x 70 4 64 Fla...

Page 16: ...Page 16 SKU 66508 For technical questions please call 1 800 444 3353 Main Unit Assembly Drawing ...

Page 17: ...8A Screw 4 44 9 Guide Roller 3 44 10AScrew 2 44 11ACase 1 44 12ASide Cap 1 44 13 Star Knob M12 1 44 14AShaft 1 44 15 Shaft Sleeve 1 Part Description Q ty 44 16 Direction Lever 1 44 17 Handle Cap 1 44 18 Spring 1 44 19AFront Cap 1 44 20 Bolt M6x16 2 44 21 Inner Hex Bolt M6x18 4 44 22 Cap 1 44 23 Small Spring 1 44 24 Nylon Sleeve 2 44 25 Steel Ball Ø10 1 44 26 Spring Washer Ø6 6 44 29 O ring 8 44 30...

Page 18: ...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...

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