14-2 CK20
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ENGINE TROUBLESHOOTING
If something is wrong with the engine, refer to the table below for the cause and its corrective measure.
Trouble Cause Countermeasure
Engine is difficult to start or won’t
start
Insufficient engine power.
Engine stops suddenly.
Exhaust fumes
are colored.
No fuel flow.
Air or water is in the fuel system.
In winter, oil viscosity increases, and
engine revolution is slow.
Battery becomes weak and the engine
does not turn over quick enough.
Insufficient or dirty fuel.
The air cleaner is clogged.
Insufficient fuel.
Fuel quality is poor.
Too much oil.
The air cleaner is clogged.
The inside of exhaust muffler is dumped
with fuel.
Injection nozzle trouble.
Fuel quality is poor.
Check the fuel tank and the fuel filter.
Replace filter if necessary.
Check to see if the fuel line coupler bolt
and nut are tight.
Bleed the fuel system (See “Bleeding Fuel
System” in as required maintenance)
Use oils of different viscosities, depend-
ing on ambient temperatures.
Clean battery cables & terminals.
Charge the battery.
In cold weather, always remove the
battery from the engine, charge and store
it indoors. Install it on the tractor only
when the tractor is going to be used.
Check the fuel system.
Clean or replace the element.
Refuel.
Bleed the fuel system if necessary.
Change the fuel and fuel filter.
Check the proper amount of oil.
Clean or replace the element.
Heat the muffler by applying load to the
engine.
Check the injection nozzle.
Change the fuel and fuel filter.
Shift to lower gear or reduce load.
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