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 191 of 855

TM 9-2350-277-20-1

ENGINE CRANKS BUT WON’T START BELOW 40

(AIR BOX HEATER IS

USED)—Continued

0022 00

B2Y

1.

Install air box igniter (WP 0207 00).

2.

Remove ignition wire (1).

3.

Measure resistance between wire ends (1) and (2).

4.

Is ignition wire in good condition and measure 0 ohms?

YES

NO

B2YN

1.

Replace igniter wire (WP 0204 00).

2.

Verify no faults found.

B3Y

1.

Install ignition wire on igniter (WP 0204 00).

2.

Remove air box heater harness plug (1) from ignition coil (2).

3.

Depress air box heater switch.

4.

Measure voltage between air box heater harness plug (1) pins

then release switch.

5.

Does multimeter read less than 17 volts with switch depressed?

YES

NO

B3YN

1.

Replace ignition coil (WP 0208 00).

2.

Verify no faults found.

0022 00-6