background image

®

©

3/8” IMPACT WRENCH

PIN CLUTCH COMPOSITE TYPE

Model 91831

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at: http://www.harborfreight.com

TO PREVENT SERIOUS INJURY,

READ AND UNDERSTAND ALL WARNINGS

AND INSTRUCTIONS BEFORE USE.

Copyright

   

2004 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.

Summary of Contents for Air Superiority 91831

Page 1: ... com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2004 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 ...

Page 2: ...ire and or serious injury SAVE THESE INSTRUCTIONS SKU 91831 For technical questions please call 1 800 444 3353 PAGE 2 UNPACKING When unpacking check to make sure all the parts shown on the Parts List on page 8 are included If any parts are missing or broken please call Harbor Freight Tools at the num ber shown on the cover of this manual as soon as possible Item Description Drive Size 3 8 Square D...

Page 3: ... pneumatic tools to the air supply with the Throttle Lever on invites accidents 4 Remove adjusting keys or wrenches before turning on the tool A wrench or a key that is left attached to a rotating part of the tool may result in personal injury 5 Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations 6 Use...

Page 4: ...ation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools 8 Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE 1 Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualifie...

Page 5: ...all possible conditions and situations that may occur The operator must understand that common sense and caution are factors which cannot be built into this product but must be supplied by the operator ASSEMBLY AND OPERATING INSTRUCTIONS NOTE For additional references to the parts listed in the following pages refer to the Assembly Diagram on page 9 To Attach A Quick Connector 1 WARNING Prior to p...

Page 6: ...peed See Figure A FIGURE A 4 Connect the air supply hose to the Quick Connector on the Impact Wrench Turn on the air compressor and set its regulator to the recommended 90 PSI for the Impact Wrench See Figure B next page 5 In order to keep the air supply hose out of the way hang it over your shoulder 6 IMPORTANT Grip the Impact Wrench firmly with both hands 7 Insert the attached 3 8 square drive s...

Page 7: ...ts must have their tight ness verified by a torque wrench not included FIGURE B TO IMPACT WRENCH INSPECTION MAINTENANCE AND CLEANING 1 WARNING Always make sure the Trigger 43 is in its OFF position and disconnect the Impact Wrench from its compressed air supply before performing any inspection adjustments maintenance or cleaning 2 Before each use inspect the general condition of the Impact Wrench ...

Page 8: ...OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts Part Description Qty Part Description Qty 1 Oil Seal 1 25 Valve Sleeve Gasket 1 2 Hammer Case 1 26 Valve Sleeve 1 3 Set Screw 1 27 Ball Bearing 1 4 Recoil Insert 4 28 O Ring 1 5 Anvil Bushing 1 29 Spring Pin 1...

Page 9: ...EMBLY DIAGRAM NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 91831 For technical questions please call 1 800 444 3353 PAGE 9 ...

Reviews: