PROBLEM SOLVING 8
en-98
8Problem Solving
8.1
ENGINE PROBLEM SOLVING ________________________________________________
The Engine is difficult to start
Cause
Action
The fuel is thick and does not flow.
Check the fuel tank and fuel filter.
Remove any contamination from the fuel system.
Clean the fuel filter with kerosene.
Air or water mixed in fuel
The fuel system is a pressure type. Air in the system will cause a problem. Bleed the Fuel
System.
To get correct fuel injection pressure, check carefully for loose fuel line couplings and loose cap
nut.
Loosen the joint bolt stop, fuel filter and air vent screws of fuel injection pump to remove all the
air in the fuel system.
The Engine oil becomes thick in cold weather
and engine cranks slowly.
Change the grade of oil according to the average temperature.)
The Battery is discharged and the engine will not
crank
Charge the battery.
In The winter, always remove the battery from the machine. Keep the battery charged and store
in a dry, safe environment.
Loss of Power
Cause
Action
No fuel.
Check the fuel system.
Moving parts at more than operating
temperature.
Check lubricating oil system.
Make sure that the lubricating oil filter flow is not decreased.
A dirty filter element can cause loss of lubrication. Change the filter element.
The air cleaner is dirty
Clean the filter element every 100 hours of operation.
Injection pump wear
Use the correct grade of fuel. Low grade fuel will cause the fuel pump to wear. Only use the
specified Diesel fuel.
The Engine stops
Cause
Action
There is no Fuel
Check the fuel tank and
fill
with fuel.
Check the fuel system for air leaks.
Bad Nozzle
If necessary, replace the nozzle.
Moving parts at more than operating
temperature. Not enough lubrication.
Check amount of engine oil with oil level gauge.
Check lubricating oil system.
The oil filter cartridge must be replaced at every second oil change.
