2-37. MAINTENANCE OF PRESSURE RELIEF VALVE (CONT).
Hydraulic system is under high pressure. Follow hydraulic system safety pro-
cedures to prevent injury (TM 9-2350-238-20-2). Wipe up spilled hydraulic fluid.
Steps 34 thru 52 are written for middle pressure relief valve.
Turn on hydraulic system. Refer to TM
Traverse cab until it faces rear of vehi-
cle. Refer to TM 9-2350-238-10.
Anchor tow winch cable. Refer to TM 9-
Pull up on lock trigger (16).
Turn tow winch shift control lever (17)
Set transmission shift control lever (18)
Adjust engine speed to take up slack in
tow winch cable. Refer to TM 9-2350-