KNOWN INFO
REASON FOR QUESTION
TEST OPTIONS
NO
YES
3.
Pressure Test or
STE/ICE-R Test #51
h6. M1089 RH 30K WINCH DOES NOT OPERATE (CONT)
Repair or replace RH 30K winch
assembly (para 16-63).
Hydraulic tank oil level OK.
MAIN WINCH RH FREE SPOOL
switch to OFF.
MAIN WINCH RH FREE SPOOL
switch OK.
MAIN WINCH RH FREE SPOOL
solenoid valve OK.
LH 30K winch operates.
Hydraulic tubes and fittings
OK.
LH and RH stifflegs OK.
Lower main control valve
assembly OK.
POSSIBLE PROBLEMS
Faulty RH 30K winch
assembly.
Faulty 30K winch relief valve.
Repair or replace 30K winch
relief valve (para 16-65).
Is pressure between
2,925-2,975 PSI
(20,340-20,512 kPa) at
30K winch relief valve?
If pressure is not between
2,925-2,975 PSI (20,340-
20,512 kPa), 30K winch relief
valve is faulty. If pressure is
2,925-2,975 PSI (20,340-
20,512 kPa), RH 30K winch
assembly is faulty.
TM 9-2320-366-34-1
2-1006.4 Change 1