F
TROUBLESHOOTING
F
3
ISSUE CAUSE ACTION
E
N
G
I
N
E
The engine overruns
• Clogged governor by foreign material or
dust
• Oil increased
• Have it repaired or replaced by workshop
• Have it repaired or replaced by workshop
The engine stalls suddenly
• Insufficient fuel
• Faulty nozzle
• Engine seizure by insufficient oil or poor
lubrication
• Add more fuel and bleed the system
• Have it repaired or replaced by workshop
• Have it repaired or replaced by workshop
• Pull the fan belt.
If crank pulley is moved, it may indicate
insufficient fuel and faulty nozzle
The engine is overheated
• Insufficient coolant amount
• Loose or damaged fan belt
• Clogged radiator
• Insufficient engine oil
• Add coolant
• Adjust fan belt tension or replace it
• Clean radiator
• Inspect and replenish
The engine produces white or black
smoke
White smoke
• Clogged air cleaner
• Excessive engine oil amount
• Insufficient fuel delivery amount
Black smoke
• Low quality fuel
• Excessive fuel amount delivery
• Insufficient nozzle pressure
White smoke
• Clean air cleaner element
• Check and set the proper amount
• Have it repaired or replaced by workshop
Black smoke
• Add specified fuel
• Have it repaired or replaced by workshop
• Have it repaired or replaced by workshop
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