TM 9--2350--292--20--1
0093 00--3
MAIN WINCH FAILS TO RELEASE -- CONTINUED
0093 00
1. Remove gauges from crossport relief valve and
inhaul test ports.
2. Install 0--4000 psi testing gauge assembly with
1/4--inch tee between the hoist and main winch
directional control valve assembly port PMI and
attaching hose.
3. Install 0--4000 psi testing gauge assembly with
1/4--inch tee between the hoist and main winch
directional control valve assembly port PMO and
attaching hose.
4. Start main engine, energize hydraulics, and set
engine speed to 1800 rpm (TM 9--2350--292--10).
5. Attempt to payout main winch and record gauge
readings.
6. Shut down hydraulics and main engine
(TM 9--2350--292--10).
no
yes
Notify Direct Support Maintenance
WARNING
D
1. Install 0--5000 psi dial pressure gauge in the main
winch motor cross port relief valve manifold test port.
2. Install 0--5000 psi dial pressure gauge in the main
winch motor inhaul test port.
3. Start main engine, energize hydraulics, and set
engine speed to 1800 rpm (TM 9--2350--292--10).
4. Place main winch selector valve in the full payout
position and attempt to payout winch. Record gauge
readings.
5. Shut down hydraulics and main engine
(TM 9--2350--292--10).
E
Is pressure at port PMO 385--470 psi and is pressure at
port PMI 50 psi or less?
Is pressure at crossport relief valve test port 1100 psi or
higher and is pressure at inhaul test port 250 psi or less?
CONTINUED FROM STEP C
CONTINUED ON NEXT PAGE
WARNING
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