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Introduction
This manual is provided by WMH Tool Group covering the safe operation and maintenance procedures
for a JET Model JSJ Service Jack. This manual contains instructions on assembly, safety precautions,
general operating procedures, maintenance instructions and parts breakdown. This jack has been
designed and constructed to provide years of trouble free operation if used in accordance with
instructions set forth in this manual. If there are any questions or comments, please contact either your
local supplier or WMH Tool Group. WMH Tool Group can also be reached at our web site:
www.wmhtoolgroup.com.
Description
The Model JSJ Service Jack is for heavy-duty automotive and truck repair and maintenance. It’s
equipped with strong steel side plates, an extra wide swivel saddle, foot pump and locking T-bar handle.
Hydraulic cylinder parts have been high-pressure tested at the factory, and parts at maximum stress
points have been heat-treated. Also features a safety overload bypass system.
Specifications
Model Number..................................... JSJ-3T................................JSJ-5T.................................JSJ-10T
Stock Number......................................454430............................... 454450 .................................. 454410
Capacity (ton) ............................................... 3.........................................5..........................................10
Minimum Height (in.).................................. 5.1.................................... 5.91.......................................6.30
Maximum Height (in.)..............................23.62.................................. 22.05..................................... 22.05
Overall Length (in.) .................................. 51.6.................................55-1/2....................................60-7/8
Overall Width (in.).................................... 12.8............................... 14-5/16....................................19-1/2
Handle Length (in.) .................................45.28.................................. 45.28..................................... 45.28
Net Weight (lbs.)....................................... 155..................................... 210 ........................................ 320
The above specifications were current at the time this manual was published, but because of our policy of
continuous improvement, WMH Tool Group reserves the right to change specifications at any time and
without prior notice, without incurring obligations.