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SKU 91790

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

and more safely at the rate for which it was intended. Do not modify this
tool and do not use this tool for a purpose for which it was not intended.

6.

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.

7.

Use eye and ear protection.  Always wear ANSI approved impact safety goggles.

Wear a full face shield if you are producing metal filings or wood chips. Wear
appropriate safety equipment when working around vehicle batteries.

8.

Do not overreach.  Keep proper footing and balance at all times. Do not reach

over or across running machines.

9.

Maintain tools with care.  Keep tools clean and in good repair for better and

safer performance. Follow instructions for lubricating and changing accessories.
Inspect tool cords periodically and, if damaged, have them repaired by an
authorized technician. The handles must be kept clean, dry, and free from oil
and grease at all times.

10. Disconnect power.  Disconnect tool from the battery when not in use.

11. Remove adjusting keys and wrenches.  Check that keys and adjusting

wrenches are removed from the tool or machine work surface before connecting
it.

12. Avoid unintentional starting.  Be sure the trigger is released when not in use

and before connecting to the battery. Do not carry any tool with your finger on
the trigger, whether or not it is connected.

13. Stay alert.  Watch what you are doing, use common sense. Do not operate any

tool when you are tired.

14. Check for damaged parts.  Before using any tool, any part that appears damaged

should be carefully checked to determine that it will operate properly and perform
its intended function. Check for alignment and binding of moving parts; any
broken parts or mounting fixtures; and any other condition that may affect proper
operation. Any part that is damaged should be properly repaired or replaced by
a qualified technician. Do not use the tool if the trigger does not operate properly.

15. Guard against electric shock.  Prevent body contact with grounded surfaces

such as engine block, fender or other vehicle parts.  Prevent the leads from
touching each other.

16. 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.

Summary of Contents for 91790

Page 1: ...TIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com 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 and replacement parts please call 1 800 444 3353 91790 ...

Page 2: ...ea conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lit Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry lo...

Page 3: ...tery when not in use 11 Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before connecting it 12 Avoid unintentional starting Be sure the trigger is released when not in use and before connecting to the battery Do not carry any tool with your finger on the trigger whether or not it is connected 13 Stay alert Watch what you ...

Page 4: ...mity to a heart pacemaker could cause interference to or failure of the pacemaker 21 24 V systems only This unit should only be powered by 24 Volt DC systems Warning The warnings cautions 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 fac tors which cann...

Page 5: ...oid placing your hands clothes hair or any other appendage in close proximity to the moving parts of the engine The engine should only be run in an open well ventilated place WARNING Working around vehicle engines whether running or not is inherently dan gerous and extraordinary precautions outside the scope of this booklet are required Refer to the owners manual of your vehicle for more informati...

Page 6: ...tern moving around the wheel 9 Occasionally you will have to manually break a nut loose before you can re move it with the Impact Wrench To do so use a Breaker Bar not included and Socket to break the nut loose Then proceed as discussed in item 9 above 10 Replace the wheel on the vehicle hub aligning the wheel studs with the bolt holes in the wheel 11 Install the wheel lug nuts following the vehic...

Page 7: ... t h g i a r t S 1 7 r e v o C r a e R 1 8 2 g n i r a e B 1 8 r e g g i r T 1 9 2 t f a h S e v i r D 1 9 w e r c S 2 0 3 g n i r a e B 1 0 1 r e d l o H e l b a C 1 1 3 e v e e l S 1 1 1 r o t c e t o r P e l b a C 1 2 3 r o t c e t o r P e v e e l S 1 2 1 p m a l C 2 3 3 5 6 x 5 M w e r c S 2 3 1 g n i r a e B 1 4 3 r e h s a W g n i r p S 2 4 1 r o t o R 1 5 3 t u N 2 5 1 r o t a t S 1 6 3 r e...

Page 8: ... THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECH NICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO...

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