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 630 of 1632
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
TM 9-2320-366-20-2
POSSIBLE PROBLEMS
Faulty M1089 30K winch
control wiring harness.
Faulty 30K winch pneumatic
manifold solenoid L17.
Faulty wrecker air system.
Continuity Test or
STE/ICE-R Test #91
12.
Replace M1089 winch control
wiring harness (para 7-142).
NO
YES
If continuity is not present,
M1089 winch control wiring
harness is faulty.
If continuity
is present, 30K winch
pneumatic solenoid L17 is
faulty.
Is continuity present from
terminal block TBC to wire
C?
2-1456.18
Change 1
Replace 30K winch pneumatic
manifold solenoid L17 (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.
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.
Faulty jumper wire.
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