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 159 of 855

TM 9-2350-277-20-1

ENGINE DOES NOT CRANK — Continued

0016 00

B4Y

1.

Set up MSD/ICE test 91. See TM 9-4910-571-12&P.

2.

Remove nut (1), lockwasher (2), and lead 12349942 circuit

74A (3) from starter relay (4).

3.

Measure resistance between lead 12349942 circuit

74A (3) and ground.

4.

Does MSD read 0 ohms?

B4YN

1.

Replace lead 12349942 circuit

(WP 0258 00).

2.

Verify no faults found.

B5Y

1.

Set up MSD/ICE test 89. See TM 9-4910-571-12&P.

2.

Install lead 12349942 circuit 74A on starter relay.

3.

Measure voltage between circuit 74 (1) and circuit 74A (2)

postsonstarterrelaywithSTARTbuttonpressed

.

4.

Does MSD read less than 22 volts?

B5YN

GO TO

DY

(PAGE 0016 00-7)

001600-4

Change 5