30K WINCH RELIEF VALVE PRESSURE TEST NOTE TM 9-2320-366-34-1 Change 1          2-1007   (1) Place drain pan under vehicle.   (2) Disconnect hose from 30K winch relief        valve tee fitting.   (3) Install plug in hose.   (4) Install swivel run tee on tee fitting.   (5) Install cap and reducer on swivel run tee.   (6) Connect test hose, 10,000 PSI transducer,        and STE/ICE-R to reducer.   (7) Start engine (TM 9-2320-366-10-1).   (8) Position PTO switch to on        (TM 9-2320-366-10-1).   (9) Set engine speed by increasing HAND        THROTTLE lever until tachometer reads        1,250-1,450 RPM. (10) Position STATION SELECTOR switch to        WRECKER CONTROL PANEL. (11) Perform STE/ICE-R test #51        (TM 9-4910-571-12&P). (12) Momentarily position MAIN WINCH RH        lever to IN and note reading. (13) If pressure is not  between  2,925-2,975        PSI (20,340-20,512 kPa), replace or repair        30K winch relief valve (para 16-65). In the event of a tachometer failure a HAND THROTTLE lever positioned to L is approximately 1,250-1,450 RPM. (14) If pressure is between 2,925-2,975 PSI        (20,340-21,512 kPa), replace or repair        RH 30K winch assembly (para 16-63). (15) Position PTO switch to off        (TM 9-2320-366-10-1). (16) Shut down engine (TM 9-2320-366-10-1). (17) Disconnect STE/ICE-R, 10,000 PSI, and        test hose from reducer. (18) Remove cap and reducer from swivel run        tee. (19) Remove swivel run tee from tee fitting. (20) Remove plug from hose. (21) Connect hose to tee fitting on 30K winch        relief valve. (22) Remove drain pan.