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 190 of 855

TM 9-2350-277-20-1

ENGINE CRANKS BUT WON’T START BELOW 40

(AIR BOX HEATER IS

USED)—Continued

0022 00

A2Y

1.

Turn MASTER SWITCH to ON.

2.

Measure voltage between power lead terminals (1) on air pump

(2) with air box switch depressed.

3.

Does multimeter read less than 17 volts?

YES

NO

A2YN

1.

Turn MASTER SWITCH to OFF.

2.

Replace air pump.

3.

Verify no faults found.

A3Y

1.

GO TO

B4Y

(PAGE 0022 00–6).

BY

1.

Inspect igniter electrode (1).

2.

Is igniter electrode free from debris and damage?

YES

NO

BYN

1.

Clean and/or replace air box heater

igniter (WP 0207 00).

2.

Verify no faults found.

0022 00-5