TM-9-2320-366-20-2
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-2 - Page 622 of 1632
TEST OPTIONS
REASON FOR QUESTION
YES
NO
KNOWN INFO
TM 9-2320-366-20-2
Air Pressure Test
2-1456.10
Change 1
8.
WARNING
Read WARNING
on following page.
POSSIBLE PROBLEMS
Faulty M1089 30K winch
control wiring harness.
Faulty 30K winch pneumatic
manifold solenoid L17.
Faulty wrecker air system.
Go to step 13 of this fault.
If air pressure is not present,
go step 13 of this fault.
If air
pressure is present, wrecker air
system is faulty.
Is air pressure present at
pneumatic manifold solenoid
L19 port 1?
e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
LH and RH winches operate
from wrecker control panel.
Circuit breaker CB50 OK.
STATION SELECTOR switch to
WRECKER CONTROL PANEL.
MODE SELECTOR SWITCH to
NORMAL.
MAIN WINCH LH and RH
SPEED switches operate.
LH 30K winch freespools.
MAIN WINCH LH FREESPOOL
switch OK.
Faulty 30K winch pneumatic
manifold solenoid L19.
MAIN WINCH RH FREESPOOL
switch OK.
M1089 control panel wiring
harness OK.
Jumper wire OK.
Perform Wrecker Air System Troubleshooting
task aa3. Main Winch RH FREESPOOL Does
Not Operate.
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