TM 9--2350--292--20--1
0100 00--4
HOIST WINCH FAILS TO OPERATE OR DEVELOP FULL POWER --
CONTINUED
0100 00
H
Are hoses and connections free of restrictions, leaks,
looseness, and damage?
Inspect hoses and connections from hoist and main
winch directional control valve assembly to hydrau-
lic control valve manifold assembly for restrictions,
leaks, looseness, and damage.
CONTINUED FROM STEPS F AND I
no
yes
Remove restrictions and
tighten loose and leaking
connections. If restrictions
cannot be removed or if
hoses and connectors are
damaged, replace (WP
0572 00 or WP 0573 00).
Verify fault is corrected.
Notify Direct Support
Maintenance.
no
yes
Replace hoist and
main winch directional
control valve assembly
(WP 0556 00). Verify
fault is corrected.
Notify Direct Support
Maintenance.
CONTINUED FROM STEP G
FORWARD
G
7. Start main engine, energize hydraulics, and
set engine speed to 1800 rpm
(TM 9--2350--292--10).
8. Place hoist control lever in the raise position
and record gauge pressures.
9. Place hoist control lever in the lower position
and record gauge pressures.
10. Shut down hydraulics and main engine
(TM 9--2350--292--10).
Are all pressures at ports MS and X1 3600--3700 psi?
CONTINUED ON NEXT PAGE
