VISUAL INSPECTION -726280437

TM 9-2320-364-20-1

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.

Allow engine to cool before performing

troubleshooting maintenance. If necessary

use insulated pads and gloves. Hot engine

components will burn and cause personnel

injury.

VISUAL INSPECTION

(1) Check for and correct any of the

following problems:

Air in fuel (Refer to Fuel System

Troubleshooting - Para 2-17).

Low battery charge (Refer to Electrical

System Troubleshooting Para 2-20).

Problems in the charging system

(Loose alternator belt, bad grounds,

etc.). (Refer to Electrical System

Troubleshooting - Para 2-20).

Signs of insulation wear on injector

harness (Remove Rocker Arm Cover

Para 3-4 or 3-5) If problem has

not been corrected notify DS

Maintenance.

(2) If none of the problems above are

present, replace the DDEC ECM

(Para 7-56).

VISUAL INSPECTION

Check DDEC circuit breakers CB22

and CB23.

(1) If one of these circuit breakers are

tripped, reset circuit breakers. Go

to Step 16 of this fault.

(2) If either of these circuit breakers

continue to trip, go to Step 12 of

this fault.