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3,000 lbs. capacity

lightweight aluminum

racing jack

model

91039

assembly and Operating instructiOns

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

©

  2003  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.

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

Revised Manual 10d

Summary of Contents for 91039

Page 1: ...ols 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 thi...

Page 2: ...ble 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...

Page 3: ...nt or reflexes are impaired while taking drugs If there is any doubt do not operate the tool 14 Maintenance For your safety service and maintenance should be performed regularly by a qualified technic...

Page 4: ...goes down tighten the Breathing Screw A37 If it still goes down the Power Unit may need to have the air purged from its system Refer to the Maintenance section 2 Turn the Handle counterclockwise The S...

Page 5: ...oth 5 If the Jack is exposed to moisture wipe dry with a clean cloth and lubricate 6 Store Jack with piston Ram A5 withdrawn Saddle down and in a clean and dry location Purging Air from the Hydraulic...

Page 6: ...s Power Unit Parts List Item Description Qty A1 Spring Pin 1 A2 Block Linkage 1 A3 Tank Nut 1 A4 Cylinder Outer Case 1 A5 Ram 1 A6 Bushing 1 A7 O ring 2 A8 Back Seal 1 A9 O ring 1 A10 Snap Ring 2 A11...

Page 7: ...E PRODUCT OR THAT HE OR SHE IS QUALIFIEDTO REPLACE ANY PARTS OFTHE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY...

Page 8: ...19 Caster Front Wheel 1 20 Axis 1 21 Lift Arm 1 22 Spring 1 23 Eye Bolt 1 24 Eye Bolt 1 25 C ring 4 26 Axis Pull Rod 2 27 Power Unit Assy 1 28 Axis Handle Base 2 29 Handle Base 1 30 Joint Connector 1...

Page 9: ...Page 9 SKU 91039 Jack Assembly Drawing...

Page 10: ...ages 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...

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