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U.S. General 91039 - User Manual

U.S. General 91039
10 pages
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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
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Summary

General Safety Precautions

Work Area, Personal, and Tool Safety

Covers clean area, conditions, children, attire, alertness, tool use, storage, and maintenance.

Specific Jack Safety

Precautions for safe lifting, load handling, and jack operation.

Setup and Operation

Unpacking and Handle Assembly

Verify components after unpacking and follow handle assembly steps.

Operating the Jack

Includes pre-operation test, positioning, lifting, and lowering procedures.

Maintenance and Oil Replacement

General Maintenance Procedures

Includes lubrication, cleaning, and greasing of jack components.

Hydraulic System Air Purging

Procedure to remove air for optimal hydraulic system performance.

Hydraulic Oil Change and Disposal

Steps for changing oil and proper disposal of used hydraulic fluid.

Parts and Diagrams

Power Unit Assembly Drawing

Visual representation of the power unit components and their assembly.

Jack Parts List

An enumerated list of all parts included with the jack.

Jack Assembly Drawing

Exploded view illustrating the assembly of the jack components.

Limited Warranty

Summary

General Safety Precautions

Work Area, Personal, and Tool Safety

Covers clean area, conditions, children, attire, alertness, tool use, storage, and maintenance.

Specific Jack Safety

Precautions for safe lifting, load handling, and jack operation.

Setup and Operation

Unpacking and Handle Assembly

Verify components after unpacking and follow handle assembly steps.

Operating the Jack

Includes pre-operation test, positioning, lifting, and lowering procedures.

Maintenance and Oil Replacement

General Maintenance Procedures

Includes lubrication, cleaning, and greasing of jack components.

Hydraulic System Air Purging

Procedure to remove air for optimal hydraulic system performance.

Hydraulic Oil Change and Disposal

Steps for changing oil and proper disposal of used hydraulic fluid.

Parts and Diagrams

Power Unit Assembly Drawing

Visual representation of the power unit components and their assembly.

Jack Parts List

An enumerated list of all parts included with the jack.

Jack Assembly Drawing

Exploded view illustrating the assembly of the jack components.

Limited Warranty

U.S. General 91039 Specifications

General IconGeneral
BrandU.S. General
Model91039
CategoryJacks
LanguageEnglish