TM 9--2350--292--20--10100 00--3HOIST WINCH FAILS TO OPERATE OR DEVELOP FULL POWER --CONTINUED0100 00CONTINUED FROM STEP E1. Remove hoses from split flanges at ports HR andHL of hoist and main winch directional control valveassembly.2. Install 1--inch flange plugs with o--ring in ports HRand HL, and secure plugs with split flanges.3. Install 0--5000 psi dial pressure gauge in the MSport of the filter valve manifold.4. Install 0--5000 psi dial pressure gauge with 3/8--inchtee between port X1 of front pump on mainhydraulic pump assembly and attaching hose.CONTINUED ON NEXT PAGEFWhen in raise position was pressure at PHR port385--470 psi, and was pressure at PHL port less than50 psi; and when in lower position, was pressure atPHL port 385--470 psi, and was pressure at PHR portless than 50 psi?noyes1. Install 0--4000 psi testing gauge assembly with1/4--inch tee between port PHR on hoist and mainwinch directional control valve assembly andattaching hose.2. Install 0--4000 psi testing gauge assembly with1/4--inch tee between port PHL on hoist and mainwinch directional control valve assembly andattaching hose.3. Start main engine, energize hydraulics, and setengine speed to 1800 rpm (TM 9--2350--292--10).4. Place hoist control valve lever in lower position andrecord gauge pressures.5. Place hoist control valve lever in raise position andrecord gauge pressures.6. Shut down hydraulics and main engine(TM 9--2350--292--10).Go to Step H.GFORWARDWARNINGWARNING
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