Quantcast MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (cont) - TM-9-2320-366-20-20614

 

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CONTINUITY TEST - TM-9-2320-366-20-20613
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TM-9-2320-366-20-2 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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AIR PRESSURE TEST - TM-9-2320-366-20-20615
TM 9-2320-366-20-2
e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
4.
LH and RH winches operate
Air Pressure Test
from wrecker control panel.
Is air pressure present at
REASON FOR QUESTION
Circuit breaker CB50 OK.
pneumatic manifold solenoid
STATION SELECTOR switch to
L17 port 1?
If air pressure is not present,
WRECKER CONTROL PANEL.
go step 11 of this fault. If air
MODE SELECTOR SWITCH to
pressure is present, wrecker air
NORMAL.
system is faulty.
MAIN WINCH LH and RH
SPEED switches operate.
NO
LH 30K winch freespools.
MAIN WINCH LH FREESPOOL
switch OK.
Faulty 30K winch pneumatic
manifold solenoid L19.
MAIN WINCH RH FREESPOOL
YES
Go to step 11 of this fault.
switch OK.
M1089 control panel wiring
harness OK.
Jumper wires OK.
POSSIBLE PROBLEMS
Faulty M1089 30K winch
control wiring harness.
Faulty 30K winch pneumatic
manifold solenoid L17.
Faulty wrecker air system.
Perform Wrecker Air System
Troubleshooting task aa3. Main Winch
RH FREESPOOL Does Not Operate.
2-1456.2
Change 1

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