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26541 Agoura Road  •  Calabasas, CA 91302  •  1-888-866-5797

Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

For technical questions, please call 1-888-866-5797

Copyright

©

 2020 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.

Summary of Contents for HCB42B

Page 1: ...NING To prevent serious injury User must read and understand Owner s Manual SAVE THIS MANUAL When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Reference 57319 Owner s Manual Safety Instructions ...

Page 2: ...hat you are doing and use common sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury 2 Use personal protective equipment Always wear eye protection Protective equipment such as dust mask non skid safety shoes hard hat or hearing p...

Page 3: ... different from those intended could result in a hazardous situation 8 Keep handles and grasping surfaces dry clean and free from oil and grease Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations Service 1 Have your power tool serviced by a qualified repair person using only identical replacement parts This will ensure that the sa...

Page 4: ...greater than 140 F 3 Charge Battery Pack only according to instructions 4 Inspect Battery Pack before every use do not use or charge if damaged 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...

Page 5: ...oad Revolutions per Minute RPM WARNING marking concerning Risk of Eye Injury Wear ANSI approved safety goggles with side shields Read the manual before set up and or use WARNING marking concerning Risk of Hearing Loss Wear hearing protection WARNING marking concerning Risk of Fire Do not cover Charger ventilation ducts Charge on fireproof surface only WARNING marking concerning Risk of Electric Sh...

Page 6: ...well lit The work area must not allow access by children or pets to prevent distraction and injury 2 Secure loose workpieces using a vise or clamps not included to prevent movement while working 3 There must not be hazardous objects such as utility lines or foreign objects nearby that will present a hazard while working 4 You must use personal safety equipment including but not limited to ANSI app...

Page 7: ...right capacity for tool and circuit has no other loads 3 Turn off tool and allow to cool Press reset button on tool 4 Have technician service tool Tool operates slowly 1 Excess pressure applied to workpiece 2 Power being reduced by long or small diameter extension cord 1 Decrease pressure allow tool to do the work 2 Eliminate use of extension cord If an extension cord is needed use one with the pr...

Page 8: ...ing Ring 1 20 Revolve Shaft 1 21 Dustproof Cover 1 22 Flange Assembly 1 23 Self Tapping Screw 2 24 Right Cover 1 25 Self Tapping Screw 4 26 Left Cover 1 27 O Ring 1 Part Description Qty 28 Retaining Ring 1 29 Ball Bearing 1 30 Washer 1 31 Counterweight Piece 1 32 Center Cover 1 33 Washer 1 34 Fan 1 35 Rotor 1 36 Washer 1 37 Ball Bearing 1 38 Control Board 1 48 Light PCB 1 39 Cushion Board 2 40 Cyl...

Page 9: ...Page 9 For technical questions please call 1 888 866 5797 Item 57319 Assembly Diagram Electric Circuit ...

Page 10: ... 5797 Item 57319 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 ...

Page 11: ...w 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 an...

Page 12: ... 2020 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 s...

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