TM 9-2350-238-34-2
l Hydraulic system is under high
pressure. Follow hydraulic
system safety procedures to
prevent injury (TM 9-2350-
238-20-2). Wipe up all spilled
hydraulic fluid.
l Make sure hydraulic system is
depressurized before performing
any hydraulic maintenance to
prevent injury to personnel.
1 Raise boom far enough to get a 4x4 wood
block between crane boom (1) and front
of cab (2). Place wood block above lower
boom cylinder eyes and across opening in
cab. Insert wood block until two upper
boom cylinder headless straight pins (3)
can be removed from two boom winch
control cylinder assemblies (4) and crane
boom.
2 Disconnect two hoses (5) from each boom
winch control cylinder assembly (4).
3 Cover hose openings and plug holes in
two boom winch control cylinder
assemblies (4).
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