TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 665 of 855

TM 9-2350-277-20-1

DCA BATTERY VOLTAGE DIAGNOSTIC TROUBLESHOOTING — Continued

0141 00

Y

1.

Measure voltage between plug W1 P1 (1), pin V (+) (2) and

ground. MSD should read 22 volts or more.

2.

Set up Test 91. See TM 9-6625-2301-14&P.

3.

Measure voltage between plug W1 P1 (1), pin W (-) (3) and

ground. MSD should read 22 volts or more.

4.

Does MSD indicate a fault?

YN

1.

Faulty MSD.

2.

Notify supervisor.

2Y

1.

Remove plug W1 P2 (1) from MSD/ICE distribution

box jack J2 (2).

2.

Measure voltage between MSD/ICE distribution box jack

J2 (2), pins V (+) (3) and W (-) (4).

3.

Does MSD indicate other than battery voltage?

2YN

1.

Faulty W1 cable. Beyond unit

maintenance repair.

2.

Notify supervisor.

014100-2

Change 5