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 614 of 1632
TEST OPTIONS
REASON FOR QUESTION
YES
NO
KNOWN INFO
TM 9-2320-366-20-2
2-1456.2
Change 1
4.
Is air pressure present at
pneumatic manifold solenoid
L17 port 1?
Air Pressure Test
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 11 of this fault.
If air pressure is not present,
go step 11 of this fault.
If air
pressure is present, wrecker air
system is faulty.
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 wires OK.
Perform Wrecker Air System
Troubleshooting task aa3. Main Winch
RH FREESPOOL Does Not Operate.
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