CORRECTIVE ACTION Continued
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.
Adjust relief pressure to 14501550 psi (999810,687 kPa). For location of valve gage port and
Replace system selector valve if pressure cannot be adjusted to 14501550 psi (999810,687 kPa)
Inspect for faulty check valve in hoses, nos. 4B and 6B. Refer to TM 9-2350-256-20 for hose identifi-
Perform following tests using main hydraulic system (step 7 only).
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