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 306 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 1.

Remove lamp from clutch engaged indicator light. Refer to page 2-566.

Connect multimeter to contacts of lamp. If multimeter indicates about 1

ohm, install lamp and go to step 2. If multimeter indicates infinity, replace

lamp. Refer to page 2-566.

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step

2.

Disconnect lead 317A from clutch engaged indicator light. Place red probe

in lead 317A. Ground black probe. Set MASTER switch ON. If multimeter

indicates about 24 volts, replace clutch engaged indicator light. Refer to

page 2-566. If multimeter indicates no voltage, repair lead 317A between

HYD PUMP/PTO CLUTCH switch and clutch engaged indicator light. Refer

to page 2-371. Set MASTER switch OFF. Connect lead.

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