TM 9-2330-390-14&P
2-15. DETACHING FRONT AND REAR DOLLIES FROM SHELTER (SHELTER ON
TRAILER) (SIDE LIFT OPERATION) (Con’t).
Use extreme caution when climbing and working on top of shelter during side lift
operations. Ensure that top of shelter is free of ice or debris which could cause slips
and falls. When working with twist locks from on top of shelter, maintain a
three-point contact with shelter as much as possible. When on top of shelter, always
be aware of where other personnel and tools are located to prevent accidental
bumps and trips. Failure to follow this warning may cause serious injury to
personnel.
Use extreme caution when removing twist locks. Keep hands and /or feet clear of
top hooks, top beams, and from between beams. Failure to follow this warning may
cause serious injury to personnel.
Use extreme caution when loosening and removing twist locks. Loosened twist
locks must be removed or they may fall, causing serious injury to personnel.
NOTE
If there is difficulty loosening twist lock nut, or twist locks do not come out, it may be
necessary to operate hydraulic control valve to slightly retract or extend each lift
cylinder (see paragraph 2-21).
h.
Use twist lock wrench (Item 3, Appendix D) to loosen nuts (16). Rotate two twist locks (17) 90° and
remove from crossbrace assemblies (3). Rotate twist locks 90° again and remove from top beams (2). Remove
crossbrace assemblies from between top beams.
NOTE
Two extra detent pins are stowed in storage box.
i.
Remove two detent pins ( 21 and 22) and collapse each crossbrace assembly (3). Install detent pin (21)
to secure crossbrace assembly in collapsed position.
j.
Fold two crossbrace brackets (23) over each crossbrace assembly (3).
2-106
