2-79. JACK ASSEMBLY REPAIR (WPES-10 AND H-9518-1).
This task consists of:
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Jack Stand (Appendix B, Section III, Item 3)
Power shut down (Generator Manual).
Jacks extended (TM 10-4610-241-10).
General Safey Instructions
Lifting heavy equipment incorrectly can cause serious injury. Use two personnel to
replace jack assembly.
Flatbed cargo trailer is unstable when jacks are not down. Make sure that trailer
wheels are chocked, trailer is level, and front of trailer is supported before removing
Leveling jack assembly is heavy. Two people are needed to lift it to prevent
personal injury or damage to the equipment.
A portable jack stand, minimum capacity of 5 tons, must be placed under trailer
when replacing leveling jack. ROWPU weighs 11,380 pounds (approximately 6
There are four jack assemblies on the flatbed cargo trailer. All are removed and installed
the same. One is shown, the others are similar.
Position a jack stand (1) under ROWPU to support weigth of unit and crank up jack assembly (4) until jack
pad clears the ground.
Stud mounting hole must be marked prior to removal of stud to insure installation in
correct mounting hole.
Mark stud mounting hole and remove stud (2) from jack assembly (4).
2-310 Change 1