TROUBLESHOOTING
TESTING AND ADJUSTING
TM
5-3805-263-34&P-2
23. ENGINE USES TOO MUCH LUBRICATION OIL
Cause
Too Much Lubrication Oil in Engine
Oil Leaks
Oil Temperature is Too High
Too much Oil in Valve
Compartment
Worn Valve Guides
Worn Piston Rings and Cylinder
Liners
Failure of Seal Rings in
Turbocharger
Correction
Remove extra oil. Find where extra oil comes from. Put correct
amount of oil in engine. Do not put too much oil in engine.
Find all oil leaks. Make repairs as needed.
Check operation of oil cooler. Install new parts if necessary. Clean
the core of the oil cooler.
Make Reference to Item 16.
Make Reference to Item 16.
Install new parts if necessary.
Check inlet manifold for oil and make repair to turbocharger if
necessary.
24. ENGINE COOLANT IS TOO HOT
Cause
Restriction To Air Flow Through
Radiator or Restriction To Flow Of
Coolant Through the Radiator
Not Enough Coolant in System
Pressure Cap Has a Defect
Combustion Gases in Coolant
Water Temperature Regulator
(Thermostat) or Temperature
Gauge Has A Defect
Water Pump Has a Defect
Too Much Load On The System
Wrong Fuel Injection Timing
Correction
Remove all restrictions to flow.
Add coolant to cooling system.
Check operation of pressure cap. Install a new pressure cap if
necessary.
Find out where gases get into the cooling system. Make repairs as
needed.
Check water temperature regulator for correct operation. Check
temperature gauge operation. Install new parts as necessary.
Make repairs to the water pump as necessary.
Make a reduction in the load.
Make adjustment to timing.
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