TM 5-3805-281-24-1
Diagnostic Information
Symptom
Problem
Solution
Injection nozzle orifice plugged
Check and repair. See Engine
Repair chapter.
Excessive Blue or White Smoke
Cranking speed too slow
Check batteries and connections.
See Group 9015-15
Injection pump static timing
Check injection pump timing. See
Engine Repair chapter.
9010
15
Engine running too "cold"
Check thermostat. See Group 0400
10
and Engine Repair chapter.
Wrong fuel
Use correct fuel.
Liners have wear and/or piston ring
Do Compression Pressure Test. See
stuck
Engine Repair chapter.
Detonation
Fuel injection pump static timing
Check injection pump static timing.
incorrect and/or injection pump
See Engine Repair chapter.
advance faulty
Cold weather starting aid solenoid
Check and repair.
stuck
Abnormal Noise
Oil level low
Check and add oil.
Wrong engine oil
Use correct oil.
Engine oil diluted with fuel
Inspect engine oil. Inspect fuel pump
spindle, seal and housing.
Valve clearance excessive
Check, adjust valve. See Engine
Repair chapter.
Engine static timing incorrect
Check, adjust. See Engine Repair
chapter.
Push rods bent
Inspect, replace push rods. See
Engine Repair chapter.
Main and/or connecting rod bearing
Inspect main bearing cap screws
caps loose or worn
and connecting rod cap screws. See
Engine Repair chapter.
Continued on next page
CED,TX14795,4357
1917APR9810/12
3-38
