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 201 of 327

TM 9-2350-238-34-2

2-39. MAINTENANCE OF PRESSURE RELIEF VALVE F1225378-1 AND PRESSUR E

RELIEF VALVE 12253778-2 (CONT).

ADJUSTMENT OF TOW WINCH

PRESSURE

TESTER

OIL PRESSURE

13

14

15

16

17

18

19

20

If correct pressure adjustment cannot be

obtained, replace tow winch pressure

relief valve (2). Refer to page 2-154.

Turn off hydraulic system. Refer to TM

9-2350-238-10.

Pull up lock trigger (4).

Set tow winch control lever (5) to N.

Push in TOW WINCH BRAKE PRESSURE

SELECTOR knob (6).

Disconnect oil pressure tester from tow

winch pressure relief valve (2).

Slowly pull TOW WINCH control handle

(8) to IN to remove air trapped in tow

winch pressure relief valve (2).

Install spring cap (1).

2-188