TM-9-2350-256-34

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 2005

TM-9-2350-256-34 - Page 104 of 584

TM 9-2350-256-34

0013 00

CORRECTIVE ACTION –Continued

5.

Test for faulty or improperly adjusted relief valve within system selector valve gage port. With APU

operating, and APU emergency winch control valve lever placed in CLOSED position, place system

selector valve lever in AUX position, and adjust relief valve.

a.

Adjust relief pressure to 1450–1550 psi (9998–10,687 kPa). For location of valve gage port and

adjusting screw, refer to WP 0063 00.

b.

Replace system selector valve if pressure cannot be adjusted to 1450–1550 psi (9998–10,687 kPa)

(WP 0063 00).

6.

Inspect for faulty check valve in hoses, nos. 4B and 6B. Refer to TM 9-2350-256-20 for hose identifi-

cation.

a.

Replace check valve (WP 0063 00).

NOTE

Perform following tests using main hydraulic system (step 7 only).

7.

Test main winch combination control valve, and control valve. Refer to steps 10 and 11, in MAIN

WINCH CIRCUIT (MAIN HYDRAULIC SYSTEM) TROUBLESHOOTING PROCEDURE.

END OF WORK PACKAGE

0013 00-2