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Page Title:
MAIN WINCH LH FREESPOOL DOES NOT OPERATE (CONT) |
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 TM 9-2320-366-20-3
aa2. MAIN WINCH LH FREESPOOL DOES NOT OPERATE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
2.
Air Pressure Test
LH 30K winch operates.
STE/ICE-R Test #50
STATION SELECTOR switch to
Is 75-120 PSI
REASON FOR QUESTION
WRECKER CONTROL PANEL.
(518-837 kPa) present at LH
If 75-120 PSI (518-827 kPa) is
MODE SELECTOR SWITCH to
30K winch freespool input
not present, air hose is faulty.
NORMAL.
90 degree fitting?
If 75-120 PSI (518-827 kPa) is
MAIN WINCH LH SPEED
present, LH 30K winch
switch operates.
assembly is faulty.
RH 30K winch freespools.
MAIN WINCH LH FREESPOOL
switch OK.
M1089 control panel wiring
NO
harness OK.
Terminal block jumper OK.
30K winch pneumatic manifold
solenoid L19 OK.
POSSIBLE PROBLEMS
YES
Replace air hose (para 23-5).
Faulty air hose.
Faulty LH 30K winch
assembly.
Notify DS Maintenance, LH 30K
winch assembly is faulty.
2-2424
Change 1
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