
39
TROUBLESHOOTING
ENGL
ISH
B
Engine
If you have any questions, contact your KUBOTA dealer.
Trouble
Cause
Countermeasure
Not started.
Not turned or slow
turning.
Battery trouble.
•
Replacement of battery.
Insufficient battery charge.
•
Recharge battery.
Slow turning at cold circumstance due to
high viscosity of engine oil.
Fuse blown out (Slow blow fuse)
•
Replace engine oil to D5W40 or
D10W30 for cold.
•
Replace fuse.
Terminal cover open.
•
Close terminal cover. Fix terminal cover
with panel lock bolts.
Normal turning,
but not started.
Fuel shortage.
•
Refuel.
Fuel does not flow.
•
Check fuel filter. If filter is dirty, replace.
•
Check fuel tank. Remove the settled
impurities or moisture.
Air and water are contained in fuel supply
line.
•
Check pipe and fastening clamp. If any
damage exists, replace or repair.
•
Relieve air.
•
Remove water inside of fuel tank and
filter.
Injection pipe is loosened.
•
Re-tighten.
Engine starts but stops immediately.
Engine oil shortage.
•
Add engine oil to upper limit of gauge.
Rotation is irregular.
Fuel shortage.
•
Refuel.
Fuel does not flow.
•
Check fuel filter. If filter is dirty, replace.
•
Check fuel tank. Remove the settled
impurities or moisture.
Air and water are contained in the fuel
supply line.
•
Check pipe and fastening clamp. If any
damage exists, replace it, or repair.
•
Relieve air.
•
Remove water inside of fuel tank and
filter.
Injection pipe is loosened.
•
Re-tighten.
Engine suddenly stops.
Fuel shortage.
•
Refuel.
Insufficient engine oil.
•
Fill oil.
Water temperature is too high.
•
Insufficient cooling water.
•
Loosened water pump belt.
•
Blockage of radiator.
•
Fill cooling water.
•
Adjust belt tension.
•
Clean.
Terminal cover open.
•
Close terminal cover. Fix terminal cover
with panel lock bolts.
Insufficient output.
When loaded, rotation goes slow.
Choke of air cleaner element.
•
Replace air cleaner element.
Choke of fuel system.
•
Check.
Choke of fuel filter.
•
Element cleaning.
Oil deterioration.
•
Replace engine oil.
Overload.
•
Refer to generator.
Coolant leaks out.
Insufficient cooling water.
•
Fill cooling water.
Loosened fan belt.
•
Adjust belt tension.
Blockage of radiator.
•
Clean.
Exhaust gas is bad.
Choke of air cleaner element.
•
Clean air cleaner element.
Engine oil is over filled.
•
Remove oil to upper limit of gauge.
Fuel quality is bad.
•
Replace fuel with good quality fuel.
Abnormal sound
Large vibration.
Crack of vibration-proof rubber.
•
Replace.
Others.
•
Check, repair.
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