TM-5-5420-202-20-1

M60A1 CHASSIS, TRANSPORTING; FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL; VOLUME 1 OF 4

OCTOBER 1985

TM-5-5420-202-20-1 - Page 635 of 1020

4-414.14

Change 6

TM 5-5420-202-20-1

DETAILED TROUBLESHOOTING PROCEDURE

VEHICLE OPERATION – HULL POWER

(Continued)

Symptom-31.1

First Technician (Commander’s Station)

•

Set multimeter to resistance scale.

•

Connect black probe of meter to "T" harness

socket D and red probe to ground.

•

Check if meter indicates infinite resistance.

Check for shorted diodes in alternator.

Does meter indicate infinite resistance?

24

•

Replace alternator (page 10-1).

•

Connect front accessory

harness 12326539 connector

(CKT 2) to bulkhead disconnect

(page 10-269)

•

Disconnect “T” harness from

harness 12326542 connector (1,

1A, 532, 533, 534)

.

•

Connect harness 12326542

connector (1, 1A, 532, 533, 534)

to voltage regulator.

•

Replace commander’s floor

plate (page 17-9)

25

NO

YES