TM-9-2350-238-34-2

CRANE (CAB) COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

APRIL 1992

TM-9-2350-238-34-2 - Page 199 of 327

TM 9-2350-238-34-2

2-39. MAINTENANCE OF PRESSURE RELIEF VALVE 12253778-1 AND PRESSURE

RELIEF VALVE 12253778-2 (CONT).

ADJUSTMENT OF TOW WINCH PRESSURE RELIEF VALVE.

OIL PRESSURE TESTER

1 Perform adjustment of check valve procedures.

2 Turn off hydraulic system. Refer to TM 9-2350-238-10.

3 Remove spring cap (1) from tow winch pressure relief valve (2).

4 Install 3000 psi (20,685 kPa) oil pressure tester in test port (3).

5 Pull up lock trigger (4).

6 Set tow winch control lever (5) to HI.

7 Pull out TOW WINCH BREAKE PRESSURE

SELECTOR knob (6).

2-186