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For technical questions, please call 1‑800‑444‑3353.

SKU 68147        

• Properly maintain and inspect to avoid 

electrical shock. 

• Any power cord must be properly 

grounded.  Ground Fault Circuit 

Interrupter (GFCI) should also 

be implemented – it prevents 

sustained electrical shock.

16.  WARNING: Some dust created by power 

sanding, sawing, grinding, drilling, and 

other construction activities, contains 

chemicals known [to the State of 

California] to cause cancer, birth defects 

or other reproductive harm.  Some 

examples of these chemicals are: 

• Lead from lead-based paints 

• Crystalline silica from bricks and 

cement or other masonry products 

• Arsenic and chromium from chemically 

treated lumber 

Your risk from these exposures varies, 

depending on how often you do this type 

of work.  To reduce your exposure to 

these chemicals: work in a well ventilated 

area, and work with approved safety 

equipment, such as those dust masks 

that are specially designed to filter out 

microscopic particles.  (California Health 

& Safety Code § 25249.5, 

et seq.

)

17.  WARNING: Handling the cord on this 

product will expose you to lead, a 

chemical known to the State of California 

to cause cancer, and birth defects or 

other reproductive harm. Wash hands 

after handling.  (California Health & 

Safety Code § 25249.5, 

et seq.

)

18.  The warnings, precautions, and 

instructions discussed in this instruction 

manual cannot cover all possible 

conditions and situations that may 

occur.  It must be understood by the 

operator that common sense and 

caution are factors which cannot 

be built into this product, but must 

be supplied by the operator.

Vibration Safety

This tool vibrates during use.  Repeated 

or long-term exposure to vibration 

may cause temporary or permanent 

physical injury, particularly to the 

hands, arms and shoulders.  To reduce 

the risk of vibration-related injury:

1.  Anyone using vibrating tools regularly 

or for an extended period should first 

be examined by a doctor and then 

have regular medical check-ups to 

ensure medical problems are not 

being caused or worsened from use.  

Pregnant women or people who have 

impaired blood circulation to the hand, 

past hand injuries, nervous system 

disorders, diabetes, or Raynaud’s 

Disease should not use this tool.  If 

you feel any symptoms related to 

vibration (such as tingling, numbness, 

and white or blue fingers), seek 

medical advice as soon as possible.

2.  Do not smoke during use.  Nicotine 

reduces the blood supply to the 

hands and fingers, increasing the 

risk of vibration-related injury.

3.  Wear suitable gloves to reduce the 

vibration effects on the user.

4.  Use tools with the lowest vibration 

when there is a choice.

5.  Include vibration-free periods 

each day of work.

6.  Let the tool do the work.
7.  To reduce vibration, maintain 

the tool as explained in this 

manual.  If any abnormal vibration 

occurs, stop use immediately.

  SAVE THESE 

INSTRUCTIONS.

Summary of Contents for 68147

Page 1: ...ghts 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 m...

Page 2: ...in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury Gener...

Page 3: ...ool Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents d Do not overreach Keep proper footing and balance at all times This enables...

Page 4: ...with a live wire will make exposed metal parts of the tool live and shock the operator 4 Keep clear of moving parts 5 Unplug before inspecting removing or installing chisel or performing any service 6...

Page 5: ...ussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be buil...

Page 6: ...tion See Outlets for 2 Prong Plug Extension Cords 1 Grounded tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord 2 As the distance from t...

Page 7: ...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 12 5 1 7 0 18 16 14 12 12 7 1 12 0 18 14 12 10 12 1 16 0 14 12 10 16 1 20 0 12 10 TABLE A Based o...

Page 8: ...rbor Freight Tools at 1 800 444 3353 as soon as possible INSTRUCTIONS FOR PUTTING INTO USE Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under...

Page 9: ...bjects such as utility lines nearby that will present a hazard while working If working in the ground or on a concrete slabe on the earth call local utility company to ensure that area is clear of uti...

Page 10: ...the tool from its electrical outlet before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise or v...

Page 11: ...e when necessary 1 Remove the Fan Cover 10 by loosening the Hex Bolt 12 and Flat Washers 11 See Figure 5 below 2 Slide Fan Cover off of Housing 1 3 Remove Brush Cap 5 from Housing 4 Remove old Carbon...

Page 12: ...ing 1 Forcing tool to work too fast 2 Accessory dull or damaged 3 Blocked motor housing vents 4 Motor being strained by long or small diameter extension cord 1 Allow tool to work at its own rate 2 Kee...

Page 13: ...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 transporta...

Page 14: ...g Cover 1 44 Key 4X18 2 45 Crank Shaft 1 46 Crank Shaft Ring 1 47 O Ring 37X 2 2 48 Oil Tank Cover 2 49 Hex Socket Bolt M10X1 25X35 1 50 Crank Washer 1 51 Needle Bearing NK2220 1 52 Connecting Rod 1 5...

Page 15: ...Page 15 For technical questions please call 1 800 444 3353 SKU 68147 ASSEMBLY DIAGRAM...

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