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 312 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 2.

Place red probe in socket B (GND). Ground black probe. If multimeter

indicates continuity, notify direct support maintenance for replacement of

vehicular drive. If multimeter indicates infinity, repair GND lead. Refer to

page 2-371. Connect connector.

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 3.

To access disconnect near magnetic clutch, remove fan well deck grille.

Refer to page 2-928. Disconnect wiring harness. Place red probe in socket

A (lead 317A) of receptacle. Ground black probe. Set MASTER switch ON.

Set HYD PUMP/PTO CLUTCH switch ON. If multimeter indicates about 24

volts, repair lead 317A between disconnect and vehicular drive. Refer to

page 2-371. If multimeter indicates no voltage, go to step 4. Set MASTER

switch OFF. Set HYD PUMP/PTO CLUTCH switch OFF. Connect wiring

harness.

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