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 72 of 495
WARNING
TM 9-2350-238-20- 2
2-10. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT) .
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.
Disconnect lead 47 (1) from slip ring (2). Place red probe in lead 47 .
Ground black probe. Set MASTER switch ON. If multimeter indicates abou t
24 volts, go to step 3. If multimeter indicates no voltage, repair lead 4 7
between hull well disconnect (3) and slip ring, refer to page 2-66. Se t
MASTER switch OFF. Connect lead .
Step 3.
Disconnect GND lead (1) from slip ring (2). Place red probe on GND lead .
Ground black probe. If multimeter indicates continuity, go to step 4. I f
multimeter indicates infinity, repair GND lead, refer to page 2-66. Connec t
lead .
2-3 2
Back to Top
