M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE (CONT)

TM 9-2320-366-20-3

aa5. M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

Air Pressure Test

Main winch LH/RH freespools.

STE/ICE-R Test #50

30K winch pneumatic manifold

Is 55-65 PSI (380-440 kPa)

solenoid L8/L4 OK.

present at output 90 degree

REASON FOR QUESTION

Air hoses OK.

fitting of regulator valve?

If 55-65 PSI (380-440 kPa) is

POSSIBLE PROBLEMS

not present, regulator valve is

faulty. If 55-65 PSI

Faulty M1089 LH/RH 30K

(380-440 kPa) is present,

winch pneumatic valve

shuttle valve is faulty.

assembly.

YES

Replace regulator valve (para 17-30).

Replace shuttle valve (para 17-13).

Change 1