TM 9-2350-238-34-22-24. MAINTENANCE OF WINCH CONTROL CYLINDER.This task covers: a.Disassemblyc.Reassemblyb. Inspection/Repaird.TestINITIAL SETUPTools and Special ToolsGeneral mechanic’s tool kit, automotive(SC5180-90-CL-N26)Lockout cylinder locknut wrench(10904219)Materials/PartsHydraulic winch control cylinder partskit (5702983)ReferencesTM 9-2350-238-20-22-42Winch control cylinder removedfrom planetary winch2-111 Winch control cylinder removedfrom vehicle tow drum winchGeneral Safety InstructionsHydraulic system is under highpressure. Follow hydraulic systemTM 9-2350-238-24P-2safety procedures to prevent in-TM 9-4940-468-14Equipment ConditionsHydraulic oil drained238-10)jury (TM 9-2350-238-20-2). Wipeup spilled hydraulic fluid.(TM 9-2350 -DISASSEMBLY NOTEl There are two winch controlcylinders in the M578 vehicle.Maintenance can be performed oneither winch control cylinderwithout removing both cylinders.l Maintenance procedures are writ-ten for one winch control cylinder,but apply to both.1 Remove internal retaining ring (1), headbreather machine thread plug (2), set-screw (3), and plate positioner spacerfrom cylinder (5).(4)2-64
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