TM 9--2350--292--20--1
0092 00--4
MAIN WINCH CREEPS WITH CONTROL IN NEUTRAL -- CONTINUED
0092 00
F
1. Start main engine, energize hydraulics, and
set engine speed to 1800 rpm
(TM 9--2350--292--10).
2. Start Enhanced Diagnostics Program
(WP 0086 00) and select corresponding
symptom.
3. Observe pressures at ports PMO and PMI of
main and hoist winch directional control valve
assembly.
G
no
yes
1. Record pressures at ports CH4, test port
and inhaul port.
2. Shut down hydraulics and main engine
(TM 9--2350--292--10).
Replace hoist and main winch
directional control valve
assembly (WP 0556 00). Verify
fault is corrected.
Are pressure readings 140 psi or less?
Are both pressures less than 50 psi?
CONTINUED FROM STEP A
CONTINUED ON NEXT PAGE
no
yes
Go to Step H.