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 189 of 855

TM 9-2350-277-20-1

ENGINE CRANKS BUT WON’T START BELOW 40

(AIR BOX HEATER IS

USED)—Continued

0022 00

5Y

1.

Install fuel supply line to solenoid at restrictor block

(WP 0206 00).

2.

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

3.

Measure voltage between plug (1) pins with air box heater switch

depressed.

4.

Does multimeter read less than 17 volts?

YES

NO

5YN

1.

Replace air box heater fuel supply

solenoid (WP 0205 00).

2.

Verify no faults found.

6Y

1.

GO TO

B4Y

(PAGE 0022 00–6).

AY

1.

Turn AIRBOX HEATER and MASTER SWITCH to OFF.

2.

Remove screw (1), washer (2), and bracket (3).

3.

Remove air hose (4) from air pump elbow (5).

4.

Is hose free from restriction and damage?

YES

NO

AYN

1.

Replace air pump to air box heater

hose.

2.

Verify no faults found.

0022 00-4