Napa 791-6431 A - User Manual

791-6431 A rev. 03/05/18
MODEL # 791-6431 A
2 TON ALUMINUM
SERVICE JACK
• Read, study, understand and follow all instructions before op-
erating this device. • Inspect the jack before each use. Do not
use jack if damaged, altered, modied, in poor condition, leak-
ing hydraulic uid, or unstable due to loose or missing compo-
nents. Make corrections before using. • Lift only on areas of the
vehicle as specied by the vehicle manufacturer. • Wear eye
protection that meets ANSI Z87.1 and OSHA standards (user
and bystanders). • Do not use jack beyond its rated capacity.
Do not shock load • This is a lifting device only. Immediately
after lifting, support the vehicle with jack stands capable
of sustaining the load before working on the vehicle • Use
only on a hard level surface free from obstructions so the jack
is free to reposition itself during lifting and lowering operations.
• Center load on saddle. Be sure setup is stable before working
on vehicle. • Do not move or dolly the vehicle while on the jack.
• Do not use any materials that may serve as risers, spacers or
extenders between the stock lifting saddle and the load. • Do
not use any adapters that replace the stock lifting saddle unless
approved or supplied by the jack manufacturer. • Do not use (or
modify) this product for any other purpose than that for which it
was designed without consulting the manufacturer's authorized
representative. • Always lower the jack slowly and carefully.
Failure to heed these warnings may result in serious or fatal
personal injury and/or property damage.
SPECIFICATIONS
WARNING
Maximum Capacity ..........................2 Ton
Low Height ................................3-1/2"
High Height ..............................18-3/8"
Chassis Length............................24-1/4"
Overall Width .............................12-3/8"
Handle Length ............................47-1/2"
Saddle Diameter ..........................4-5/16"
Shipping Weight ........................... 47 Lbs.
BEFORE USING THIS DEVICE, READ THIS
MANUAL COMPLETELY AND THOROUGHLY,
UNDERSTAND ITS OPERATING PROCEDURES,
SAFETY WARNINGS AND MAINTENANCE
REQUIREMENTS.
It is the responsibility of the device owner to make sure all personnel
read this manual prior to using the device. It is also the responsibility
of the device owner to keep this manual intact and in a convenient
location for all to see and read. If the manual or product labels are lost
or not legible, contact NAPA for replacements. If the operator is not
fluent in English, the product and safety instructions shall be read to
and discussed with the operator in the operator's native language by
the purchaser/owner or his designee, making sure that the operator
comprehends its contents.
WARNING: This product can expose you to chemicals
including nickel, which is known to the State of
California to cause cancer and birth defects or other
reproductive harm. For more information go to www.
P65Warnings.ca.gov.
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ASME PASE-2014

Summary

General Information and Specifications

Manual Instructions and Safety

Read and understand the manual, follow all instructions, and heed safety warnings before operating the jack.

Product Specifications

Lists maximum capacity, heights, length, width, handle, saddle, and shipping weight for the service jack.

Safety and Hazard Information

Understanding Safety Symbols and Hazards

Explains safety symbols, inherent hazards, and consequences of non-compliance.

Methods to Avoid Hazardous Situations

Provides essential steps to prevent injury, including inspection, proper use, and load support.

Setup and Operation

Handle Assembly and Air Purge

Instructions for assembling the handle and purging air from the hydraulic system for proper operation.

Raising and Lowering a Load

Step-by-step procedures for safely lifting and lowering vehicles using the jack.

Preventative Maintenance

Maintenance Guidelines

Covers storage, lubrication, hydraulic fluid, cleaning, and inspection for jack longevity and safety.

Post-Operation and Support

Inspection, Storage, and Troubleshooting

Covers pre-use inspection, proper storage, and steps to resolve common operational problems.

Owner;User Responsibilities and Warranty

Outlines user duties and where to find warranty information for the service jack.

Hydraulic Maintenance and Regular Servicing

Hydraulic Maintenance Guide

Important note that service jacks are for lifting only and require jack stand support.

Regular Maintenance Tasks

Monthly or as needed tasks including greasing fittings, lubricating points, and tightening hardware.

Parts List and Diagrams

Main Parts Identification

Lists all components of the service jack with part numbers and quantities, accompanied by a diagram.

Power Unit Assembly Parts

Details the specific parts and quantities for the power unit assembly, including a diagram.

Napa 791-6431 A Specifications

General

Brand	Napa
Model	791-6431 A
Category	Jacks
Language	English