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 634 of 1632
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
TM 9-2320-366-20-2
POSSIBLE PROBLEMS
Continuity Test or
STE/ICE-R Test #91
Replace M1089 winch control
wiring harness (para 7-142).
NO
YES
Is continuity present from
terminal block TBC to wire
C?
Faulty M1089 30K winch
control wiring harness.
Faulty 30K winch pneumatic
manifold solenoid L19.
Faulty wrecker air system.
If continuity is not present,
M1089 winch control wiring
harness is faulty.
If continuity
is present, 30K winch
pneumatic solenoid L19 is
faulty.
2-1456.22
Change 1
14.
Replace 30K winch pneumatic
manifold solenoid L19 (para 17-29).
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.
RH 30K winch freespools.
MAIN WINCH RH FREESPOOL
switch OK.
Faulty 30K winch pneumatic
manifold solenoid L17.
MAIN WINCH LH FREESPOOL
switch OK.
M1089 control panel
wiring harness OK.
Faulty jumper wire.
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