TM 5-3805-281-24-1
Diagnostic Information
Symptom
Problem
Solution
Injection pump metering valve
Lightly tap injection pump housing. If
sticking
engine now starts, repair metering
valve. See Local Fuel Injection
Pump Service Center.
Electric shut-off solenoid
Check shut-off solenoid. See Group
9015-10. Inspect solenoid wiring and
linkage. See your Local Fuel
Injection Pump Service Center.
9010
15
2
Injection pump
Remove and test pump. See your
Local Fuel Injection Pump Service
Center.
Injection nozzle(s)
Remove and test nozzles. See
Engine Repair chapter.
Starter
Replace starter.
Worn compression rings or low
Check compression. Repair. See
compression
Engine Repair chapter.
Start aid fluid used excessively
Remove nozzles and add small
amount of oil to each cylinder. See
Engine Repair chapter.
Blown cylinder head gasket
Place end of radiator overflow hose
(between radiator and coolant
recovery tank) into a container of
clear water. Operate engine at fast
idle under a load. A constant flow of
bubbles indicates cylinder head
gasket leakage. Replace gasket.
See Engine Repair chapter.
Engine Knocks, Runs Irregularly
Air in fuel
Inspect filter for evidence of air in
or Stops
fuel. Tighten connections and bleed
fuel system.
Debris in fuel
Drain fuel tank. Clean tank strainer.
Add clean fuel.
Wrong fuel
Use correct fuel.
Continued on next page
CED,TX14795,4357
1917APR982/12
3-30