TM-9-2320-366-20-3
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 3 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-3 - Page 454 of 1396
aa1.
M1089 LH OR RH 30K WINCH DOES NOT PAY-IN
INTIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Air tanks drained (TM 9-2320-366-10-1).
Personnel Required
(2)
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
NOTE
KNOWN INFO
1.
TEST OPTIONS
POSSIBLE PROBLEMS
Faulty 30K winch pneumatic
manifold solenoid valve.
Faulty wrecker hydraulic
system.
WARNING
Read WARNING
on following page.
START
Air Pressure Test
REASON FOR QUESTION
If air pressure is not present,
perform Wrecker Hydraulic
System Troubleshooting.
If air
pressure is present, 30K winch
pneumatic manifold solenoid is
faulty.
NO
YES
Perform Wrecker Hydraulic System
Troubleshooting task w4. M1089 LH 30K
Winch Does Not Operate or W9. M1089
30K RH Winch Does Not Operate.
Perform Electrical System Troubleshooting e138A.
M1089 LH or RH 30K Winch Does Not Pay-In
prior to beginning this task.
Hydraulic tank oil level OK.
MAIN WINCH LH and RH
FREESPOOL switches to OFF.
MAN WINCH LH FREESPOOL
switch OK.
MAN WINCH RH FREESPOOL
switch OK.
Is air pressure present at
LH/RH 30K winch freespool
input 90 degree fitting?
TM 9-2320-366-20-3
2-2420
Change 1
Replace 30K winch pneumatic manifold
solenoid valve (refer to Table 65.1.
30K Winch
Freespool Solenoid Valves (para 17-29).
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