2-91. JACK ASSEMBLY MAINTENANCE (MODEL WPES-1).
This task consists of
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
ROWPU shutdown (TM 10-4610-240-10).
Power shutdown (power source manual).
General Safety 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 jack assembly.
The jack assembly is heavy. Two people are needed to lift it
to prevent personal injury or damage to the equipment
There are four jack assemblies on the flatbed cargo trailer. All
are removed and installed the same. One is shown, the others
Mark location of stud before removal
a. Remove stud (3) from jack assembly (1).
b. While supporting jack assembly (1), remove three bolts (2).
The jack assembly is heavy Two people are needed to lift it to
prevent personal injury or damage to the equipment.
Remove jack assembly (1) from trailer (4).