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TM 9-2320-364-20-3
2-2834
4. SELF RECOVERY WINCH (SRW) WILL NOT PAY OUT USING CAB WINCH IN/OUT
SWITCH.
INITIAL SETUP
1.
Go to Step 2 of this
Fault.
START
NO
Crane operates indicating
circuit breaker CB18 is OK.
WINCH/CRANE switch is in
WINCH position.
SRW operates using control
lever.
WINCH IN/OUT switch faulty.
Wire 1729 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If component supplying voltage
to control manifold valve is
faulty, 22 to 28 vdc will not be
input to control manifold
solenoid.
2-30. SELF RECOVERY WINCH (SRW) TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Personnel Required
Two
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Materials/Parts
Adhesive (Item 9, Appendix C)
Are 22 to 28 vdc measured on
wire 1729 at control manifold
lower control solenoid
connector MC121, terminal 1
with WINCH IN/OUT switch in
OUT position?
WARNING
Go to Step 3 of this
Fault.
YES
Read WARNING
on Page 2-2835
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