TM 9--2350--292--20--1
0091 00--2
MAIN WINCH FAILS TO OPERATE OR FAILS TO DEVELOP FULL POWER --
CONTINUED
0091 00
CONTINUED FROM STEP A
CONTINUED ON NEXT PAGE
1. Install 0--4000 psi testing gauge assembly with
1/4--inch tee between hoist and main winch
directional control valve assembly port PMI and
attaching hose.
2. Install 0--4000 psi testing gauge assembly with
1/4--inch tee between hoist and main winch
directional control valve assembly port PMO
and attaching hose.
3. Start main engine, energize hydraulics, set
engine speed to 1800 rpm
(TM 9--2350--292--10). Payout main winch
cable and record pressure at both gauges.
4. Inhaul main winch cable and record pressure at
both gauges.
5. Shut down hydraulics and main engine
(TM 9--2350--292--10).
In payout position is PMO pressure 385--470 psi and
PMI pressure less than 50 psi and in inhaul position, is
PMI pressure 385--470 psi and PMO pressure less than
50 psi?
Go to Step E.
no
yes
FORWARD
FORWARD
Is vehicle equipped with Enhanced Diagnostics
System?
B
C
Go to Step I.
no
yes
WARNING