TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 308 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 1.

To access electrical accessories panel, remove left CO

2

cylinder access

cover. Refer to page 2-923. Disconnect lead 10 from circuit breaker.

Place red probe in lead 10. Ground black probe. Set MASTER switch ON.

If multimeter indicates about 24 volts, go to step 2. If multimeter indicates

no voltage, troubleshoot master relay circuit. Refer to page 2-90. Set

MASTER switch OFF. Connect lead.

Step 2.

Disconnect leads 10 and 317 from circuit breaker. Connect multimeter to

receptacles of circuit breaker. If multimeter indicates continuity, go to step

3. If multimeter indicates infinity, replace circuit breaker. Refer to page

2-590. Connect leads.

2-282