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 68 of 495
WARNING
TM 9-2350-238-20- 2
2-10. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT) .
Step 3.
Remove vehicle equipment stowage box for access to rectifier (1), refer t o
page 2-330. Disconnect lead 480 (2) from solenoid pressure relief valve t o
rectifier. Place red probe in lead 480. Ground black probe. Set MASTER
switch ON. Set LEVEL WIND switch ON. Press sensing switch of in -
operative traversing circuit to close. If multimeter indicates about 24 volts ,
go to step 4. If multimeter indicates no voltage, go to step 6. Set MASTER
switch OFF. Set LEVEL WIND switch OFF. Connect lead .
Make sure MASTER switch is OFF before repairing electrical com-
ponents. Failure to observe this warning could result in injury t o
personnel .
Step
4 .
Disconnect connector (1) from solenoid directional control valve (2) of in-
operative traversing circuit. Place red probe in socket A (3) (lead 480) .
Ground black probe. Set MASTER switch ON. Set LEVEL WIND switch ON .
Press sensing switch of inoperative traversing circuit to close. If multimeter
indicates about 24 volts, go to step 5. If multimeter indicates no voltage ,
repair lead 480 between solenoid pressure relief valve and rectifier, refer t o
page 2-66. Set MASTER switch OFF. Set LEVEL WIND switch OFF. Con-
nect connector .
2-2 8
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