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 627 of 1020

4-414.6

Change 6

TM 5-5420-202-20-1

DETAILED TROUBLESHOOTING PROCEDURE

VEHICLE OPERATION – HULL POWER

(Continued)

Symptom-31.1

Second Technician (Operator’s Station)

•

Set MASTER BATTERY switch OFF.

•

Set FUEL PUMPS switch OFF.

First Technician (Commander’s Station)

•

Disconnect “T” harness from voltage regulator.

•

Connect red probe of meter to "T" harness

socket F and black probe to socket C.

•

Check if meter indicates 100 to 200 ohms.

Check CKT 532 from voltage regulator to engine

accessory relay for 100 to 200 ohms.

Does meter show 100 to 200 ohms?

6

NO

YES

Check CKT 532 from voltage

regulator to engine accessory

relay in harness 12326542 for

continuity.

7

•

See step 54.