CHICAGO 31877 Set Up And Operating Instructions Manual Download | Manualshive

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½” ELECTRIC IMPACT WRENCH

Model

31877

SET uP ANd OPERATINg INSTRuCTIONS

Diagrams within this manual may not be drawn proportionally.

Due to continuing improvements, actual product may differ slightly from the product described herein.

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

©

1997 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.

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

Manual Revised 07i

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Summary of Contents for 31877

Page 1: ... 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 1997 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 Tool...

Page 2: ... the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety al...

Page 3: ...ttempt to force a small tool or attach ment to do the work of a larger industrial tool Do not use a tool for a purpose for which it was not intended DRESS PROPERLY Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair USE EYE AN...

Page 4: ...losures REPLACEMENT PARTS AND ACCESSORIES When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools DO NOT OPERATE TOOL IF UNDER THE INFLUENCE OF ALCOHOL OR DRUGS Read warning labels on prescriptions to determine if your judgment or reflexes are ...

Page 5: ...d plug provided with the tool 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 Double Insulated Tools Tools with Two Prong Plugs Tools marked Double Insulated do not require grounding They have a special double insula tion system which s...

Page 6: ...able for outdoor use Make sure the 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 the extension cords from 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 LE...

Page 7: ...ly use socket extensions designed for impact use Pressing the top of the ROCKER SWITCH 6 up will cause the ANVIL 16 to move in a counterclockwise direction This will com monly loosen the fastener Pressing the bottom of the ROCKER SWITCH down will cause the ANVIL to move in a clockwise direction This will commonly tighten the fastener Breaking Loose Fasteners Note This procedure is used when a fast...

Page 8: ...wer tool is damaged it must be replaced only by a qualified service technician Brushes Note Both BRUSHES 3 must be replaced at the same time The BRUSHES must be changed when less than 3 8 remains or when perfor mance noticeably degrades Remove the BRUSH CAP 5 using a large flat head screwdriver Remove the BRUSH and replace Replace the BRUSH CAP Lubrication Note The following procedures should only...

Page 9: ... Part Description Q ty 1 Armature 1 2 Field 1 3 Brush Assembly 2 4 Brush Holder 2 5 Brush Cap 2 6 Switch 1 7 Plug 1 8 Cord 1 9 Ball Bearing 1 10 Ball Bearing 1 11 Bearing Retainer 1 12 Screw 6 13 Gear Case 1 14 Thrust Washer 1 15 Bearing Seal 1 16 Anvil Assembly 1 17 Spring 1 18 Detent Pin 1 19 Impactor 1 20 Steel Ball 25 21 Spring 1 22 Gear Cam 1 23 Steel Ball 2 Part Description Q ty 24 Bearing 1...

Page 10: ...44 3353 ASSEMBLY DIAGRAM 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: ...ncidental or consequential damages so the above limitation of exclusion may not apply to you This war ranty 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 trans portation charges prepaid Proof of purchase date and an explanation of the complain...

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