System
Faults
Possible causes
Solutions
Engine stops at low
speed revolution.
▲
Fault of injection pump
▲
Valve gap is not correct
▲
Poor nozzle pressure
▲
Repair
▲
Adjust the gap
▲
Repair
Engine overheat
▲
Lack of coolant
▲
Bad fan belt tension or broken
▲
Dirt attached to the radiator
▲
Supplement
▲
Adjust belt tension or
replace
▲
Wash
The color of exhausted
smoke is white.
▲
Air cleaner clogged
▲
Engine oil exceeded
▲
Lack of fuel supply
▲
Clean element or replace
▲
Adjust in proper level
▲
Repair
Engine
The color of exhausted
smoke is black.
▲
Bad quality of fuel
▲
Over fuel supply
▲
Fault of nozzle
▲
Use good quality fuel
▲
Repair
▲
Repair
Engine power is low.
▲
Injection nozzle clogged
▲
Carbon piled to valve seat
▲
Bad adjustment of valve gap
▲
Bad injection timing
▲
Lack of fuel supply
▲
Air cleaner clogged
▲
Repair
▲
Repair
▲
Repair
▲
Repair
▲
Check fuel system
▲
Clean or replace
Engine oil pressure
indicator is ON during
operation.
▲
Lack of engine oil
▲
Low viscosity of engine oil
▲
Pressure switch error
▲
Fault of oil pump
▲
Engine oil filter clogged
▲
Supplement
▲
Replace the proper oil viscosity
▲
Replace
▲
Repair
▲
Replace the filter
▲
Bad electrical connection
▲
Check battery terminals,
5
5
5
5
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Battery charging
indicator is ON during
operation
▲
Bad electrical connection
▲
Fault of alternator
▲
Fault of battery
▲
Bad fan belt tension or broken
▲
Check battery terminals,
ground, and repair
▲
Repair or replace
▲
Replace
▲
Adjust belt tension or replace
Clutch
Clutch is slipped.
▲
Wrong adjustment of clutch
pedal play
▲
Friction lining worn or broken
▲
Adjust the pedal play
correctly
▲
Replace
Clutch does not cut-off.
▲
Lining damaged
▲
Clutch pedal play exceeded
▲
Repair or replace
▲
Adjust the pedal play