TM 9--2350--292--20--10091 00--5MAIN WINCH FAILS TO OPERATE OR FAILS TO DEVELOP FULL POWER --CONTINUED0091 00CONTINUED FROM STEP CEnoyesCONTINUED ON NEXT PAGEInspect hoses from hoist and main winch directionalcontrol valve assembly ports PMI and PMO tohydraulic control valve assembly manifold assemblyports PMI and PMO for loose connections,restrictions, and damage.Fnoyes1. Remove hydraulic control valve manifold assemblyshields (WP 0519 00).2. Install 0--4000 psi testing gauge assembly inhydraulic control valve manifold assembly port PR.3. Install 0--4000 psi testing gauge assembly with1/4--inch tee between hydraulic control valvemanifold assembly port PMO and attaching hose.4. Install 0--4000 psi testing gauge assembly with1/4--inch tee between hydraulic control valvemanifold assembly port PMI and attaching hose.5. Start main engine, energize hydraulics, and setengine speed to 1800 rpm (TM 9--2350--292--10).6. Payout main winch and record gauge readings.7. Inhaul main winch and record gauge readings.8. Shut down hydraulics and main engine(TM 9--2350--292--10).If PMO and PMI port pressure isless than 385 psi and PR pressureis 385--470 psi, notify Direct Sup-port Maintenance. If PR pressureis less than 385 psi, go to Step H.Are all pressures 385--470 psi?Tighten loose connections. Remove restrictions.If restrictions cannot be removed or if damaged,replace WP 0573 00). Verify fault is corrected.Are connections tight and are hoses free of restrictionsand damage?FORWARDWARNING
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