Maeda CC1485S-1 - Page 229

221
Abnormal Phenomenon Major cause(s) Remedy
Engine does not start even after
the starter key is turned
• Insufficient fuel
• Mixing of air in fuel system
•
Defective fuel pump and
nozzle
• Starter motor turning slow
• Preheating monitor does not
turn on.
• Defective compression
• See “Check before
operation” and refuel
• See "Periodical
Maintenance" to repair the
area where air is mixed
Replace pump or nozzle
• See "Electrical
Components"
• See "Electrical
Components"
Adjustment of valve
clearance
Exhaust gas color turns into
white or bluish
• Excessive oil in oil pan
• Defective fuel
• See “Check before
operation” and adjust oil
level to appropriate one
• Change to specified fuel
Exhaust gas color sometimes
turns into black
• Air cleaner element clogged
• Defective nozzle
• Defective compression
• Defective turbocharger
• See “Irregular Maintenance”
for cleaning or
replacement of the parts
Replacement of nozzle
Adjustment of valve
clearance
Cleaning and replacement
Combustion sound sometimes
breathes
• Defective nozzle Replacement of nozzle
Abnormal noise is generated
(combustion or mechanical)
• Use of low-grade fuel
• Overheat
• Breakage of inside of
muffler
• Valve clearance excessive
• Change to specified fuel
• See aforementioned
"Engine coolant
temperature error is
displayed"
Replacement of muffler
Adjustment of valve
clearance
The engine stops during
operation
• Clogging of fuel pre-filter
and main filter
•
Defective engine and fuel
circuit
• Replacement of filter
cartridge
Inspection and repair