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 610 of 1632
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
YES
NO
2.
Is 24 VDC present at
terminal block TB18?
WARNING
Read WARNING
on following page.
Voltage Test or
STE/ICE-R Test #89
TM 9-2320-366-20-2
2-1454
Change 1
POSSIBLE PROBLEMS
Replace MAIN WINCH RH FREESPOOL
switch (para 7-34) and M1089 wrecker control
panel wiring harness (para 7-83).
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.
30K winch pneumatic manifold
solenoid L19 OK.
Faulty MAIN WINCH RH
FREESPOOL switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty jumper wire.
Faulty 30K winch pneumatic
manifold solenoid L17.
Faulty wrecker air system.
If 24 VDC is not present, MAIN
WINCH RH FREESPOOL
switch and M1089 wrecker
control panel wiring harness
are faulty.
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