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3.0 Safety warnings
1. Read and understand the entire owner's manual before attempting assembly or operation.
2. Read and understand the warnings posted on the jack and in this manual. Failure to comply with all of
these warnings may cause serious injury.
3. Replace warning labels if they become obscured or removed.
4. This is a lifting device only. Do not move or dolly the vehicle while on the jack. The load shall be supported
immediately by jack stands, or other appropriate means.
5. Inspect jack before each use. Do not use jack if it is damaged, has been altered or parts have loosened.
6. Do not exceed rated lift capacity. Overloading can cause damage to, or failure of, the jack.
7. Always center load on saddle.
8. Do not introduce blocks or other items between load and jack saddle.
9. Lift only on areas of the vehicle specified by the vehicle manufacturer.
10. This jack is designed for use on hard, level surfaces capable of sustaining the load. Use on other than
hard, level surfaces can result in jack instability and possible loss of load.
11. Clear obstructions from around jack area, such as tools, gravel, etc., before lifting.
12. Do not get under vehicle while jack is being used as the only support.
13. If jack needs service, contact JET Consumer Relations at 1-800-274-6848, or visit www.jettools.com, for
the location of your nearest JET Authorized Service Center.
14. Jack service must be performed by qualified personnel only. Use only genuine JET factory replacement
parts; use of unauthorized parts may cause risk of injury, and may void warranties.
15. Use only approved hydraulic fluid (ISO 32 hydraulic oil, or “jack oil”). Use of other fluids, such as brake fluid
or transmission oil, can damage seals and cause possible jack failure.
16. Do not modify the jack.
17. Failure to comply with all of these warnings may result in loss of load, damage to jack, and/or failure
resulting in personal injury or property damage.
4.0 About this manual
This manual is provided by JET covering the safe operation and maintenance procedures for a JET Model JSJ-
2-1/4XA Short Chassis Service Jack. This manual contains instructions on installation, safety precautions,
general operating procedures, maintenance instructions and parts breakdown. Your jack has been designed
and constructed to provide years of trouble-free operation if used in accordance with the instructions as set
forth in this document.
If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our
web site: www.jettools.com.
Retain this manual for future reference. If the jack transfers ownership, the manual should accompany it.