TM 9--2350--292--20--1
0101 00--2
HOIST WINCH CREEPS WITH CONTROL IN NEUTRAL -- CONTINUED
0101 00
yes
no
Replace hoist and main winch
directional control valve assembly
(WP 0556 00). Verify fault is corrected.
Fault corrected.
C
Are all gauge pressures 140 psi or less?
CONTINUED FROM STEP B
CONTINUED ON NEXT PAGE
FORWARD
Are pressures at port PHR and PHL less than 50 psi?
4. Shut down hydraulics and main engine
(TM 9--2350--292--10).
no
yes
B
Notify Direct Support
Maintenance.
1. Install 0--300 psi dial pressure gauge in port
CH4 of filter valve manifold.
2. Install 0--5000 psi dial pressure gauge in hoist
winch motor test port and install 0--5000 psi
gauge in hoist winch motor counterbalance
drain port.
3. Start main engine, energize hydraulics, and set
engine speed to 1800 rpm
(TM 9--2350--292--10). Observe gauges.
4. Shut down hydraulics and main engine
(TM 9--2350--292--10).