TM-9-2350-238-20-2
CRANE (CAB) COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT,ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1993
CHANGE 1
TM-9-2350-238-20-2 - Page 67 of 495
WARNING
TM 9-2350-238-20- 2
(2) Level wind traverses cab in only one direction .
Step 1 .
Remove three screws (1), three washers (2), and cover (3) for access t o
sensing switches. Disconnect leads 480 (4) from sensing switch (5) of th e
inoperative traversing circuit. Connect multimeter to sensing switch. Pres s
sensing switch to close. If multimeter indicates continuity, go to step 2. I f
multimeter indicates infinity, notify direct support maintenance for replace -
ment of sensing switches. Connect leads .
Make sure MASTER switch is OFF before repairing electrical com-
ponents. Failure to observe this warning could result in injury t o
personnel .
Step 2 .
Place red probe in lead 480 (1). Ground black probe. Set MASTER switc h
ON. Set LEVEL WIND switch ON. If multimeter indicates about 24 volts, g o
to step 3. If multimeter indicates no voltage, repair lead 480 between sens-
ing switch (2) and LEVEL WIND switch, refer to page 2-66. Set MASTE R
switch OFF. Set LEVEL WIND switch OFF. Connect leads. Install cover (3 )
with three washers (4) and three screws (5) .
2-2 7
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