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 618 of 1632
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
YES
NO
WARNING
Read WARNING
on following page.
Voltage Test or
STE/ICE-R Test #89
TM 9-2320-366-20-2
POSSIBLE PROBLEMS
6.
Is 24 VDC present at
terminal block TB19?
2-1456.6
Change 1
Replace MAIN WINCH LH FREESPOOL
switch (para 7-34) and M1089 wrecker control
panel wiring harness (para 7-83).
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 LH FREESPOOL
switch OK.
30K winch pneumatic manifold
solenoid L17 OK.
Faulty MAIN WINCH LH
FREESPOOL switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty jumper wire.
Faulty 30K winch pneumatic
manifold solenoid L19.
Faulty wrecker air system.
e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
If 24 VDC is not present, MAIN
WINCH LH FREESPOOL
switch and M1089 wrecker
control panel wiring harness
are faulty.
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