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

SKU 68147        

LIMITED 90 DAY 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 90 days from the date of purchase. This 

warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or 

accidents, repairs or alterations outside our facilities, criminal activity, improper installation, 

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

Record Product’s Serial Number Here: 

 
Note:

  If product has no serial number, record month and year of purchase instead.

Note:

  Some parts are listed and shown for illustration purposes only, 

and are not available individually as replacement parts.

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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