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 396 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 8.

Disconnect connector (lead 415) from air purifier motor. Place red probe in

connector. Ground black probe. Set MASTER switch ON. Set AIR

PURIFIER SWITCH ON. If multimeter indicates about 24 volts, go to step

9. If multimeter indicates no voltage, repair lead 415 between air purifier

and AIR PURIFIER SWITCH. Refer to page 2-371. Set MASTER switch

OFF. Set AIR PURIFIER SWITCH OFF. Connect connector.

Step 9.

Place red probe on air purifier connector.

Ground black probe. If multim-

. eter indicates continuity, replace air purifier. Refer to page 2-1176. If mul-

timeter indicates infinity, repair GND lead. Refer to page 2-371.

2-370