TM-5-3895-372-20
CONCRETE-MOBILE MIXER BODY M919, MODEL 8CM-24/F
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL
AUGUST 1980
TM-5-3895-372-20 - Page 593 of 694
TM 5-3895-372-20
Table 12-1. Electric Winch Troubleshooting Procedures.
Malf
Step
Instruction
Indication
Yes
No
Remarks
1
Trough Will Not Raise
Or Lower
1
Connect one end of
jumper cable to
LOWER terminal of
the OUT solenoid
(fig. 12-1).
Briefly ground the
other end of the cable
Trough lowers.
Replace
Replace
to the frame.
control box.
winch assembly.
2
Trough Will Not Raise
1
Lower trough. Press
Trough is
Replace limit
Go to step2.
JOG and RAISE but-
raised.
switch.
tons simultaneously.
2
Connect one end of
jumper cable to
RAISE terminal of
the IN solenoid (fig.
12-1). Briefly ground
the other end of the
Trough is
Replace con-
Replace IN sole
cable to the frame.
raised.
trol box.
noid.
3
Trough Will Not Lower
1
Connect one end of
jumper cable to
LOWER terminal of
the OUT solenoid
Briefly ground the
Trough lowers.
Replace
Replace OUT
other end of the
control box.
solenoid.
cable to the frame.
12-3
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