Table 8. Engine System (Unit) Troubleshooting Procedures - Continued.

TM 10-3930-660-24-1

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 8. Engine System (Unit) Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Refer to Step 7, Engine Runs

1. Check for engine not running

19. Excessive Vibration.

smoothly.

Rough or Misfiring, in this table.

2. Check for loose or damaged

Check for loose fan mounting

fan.

screws and, if necessary, torque

to 6 lb-ft (8 Nm).

1. Check for drive belt squeal

Replace belt if necessary (WP

20. Excessive Engine Noise.

caused by insufficient belt

tension or abnormally high

Refer to Step 10, Excessive

2. Check for intake air or

Exhaust Smoke, in this table.