TM 9-2350-238-34-2l Hydraulic system is under highpressure. Follow hydraulicsystem safety procedures toprevent injury (TM 9-2350-238-20-2). Wipe up all spilledhydraulic fluid.l Make sure hydraulic system isdepressurized before performingany hydraulic maintenance toprevent injury to personnel.1 Raise boom far enough to get a 4x4 woodblock between crane boom (1) and frontof cab (2). Place wood block above lowerboom cylinder eyes and across opening incab. Insert wood block until two upperboom cylinder headless straight pins (3)can be removed from two boom winchcontrol cylinder assemblies (4) and craneboom.2 Disconnect two hoses (5) from each boomwinch control cylinder assembly (4).3 Cover hose openings and plug holes intwo boom winch control cylinderassemblies (4).2-85
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