TROUBLESHOOTING
L-N Operation Manual
81
TROUBLESHOOTING
INFORMATION
If your engine does not operate properly, refer to
the troubleshooting chart or consult your
authorized Yanmar industrial engine dealer or
distributor.
Supply the authorized Yanmar industrial engine
dealer or distributor with the following information:
• Model name and serial number of your
engine
• The driven machine type (tractor, generator,
skid steer loader), manufacturers name,
model and serial number
• How long the engine has been in service (the
number of engine hours or the number of
calendar months)
• Operating conditions when problem occurs:
Engine rpm
Color of exhaust smoke
Type of diesel fuel
Type of engine oil
Any abnormal noises or vibration
Operating environment such as high
altitude or extreme ambient temperatures,
etc.
• Engine maintenance history and previous
problems
• Other factors that contribute to the problem
• White exhaust smoke • Improper diesel fuel • Replace with recommended
diesel fuel
Diesel Fuel
Specifications on
page 24
• Faulty spray pattern of fuel
injection
• See authorized Yanmar
industrial engine dealer or
distributor
—
• Fuel injection timing delay —
• Engine burning oil —
SYMPTOM PROBABLE CAUSE ACTION REFER TO
LN Series OperationManual_A4.book 81 ページ ２００６年５月１２日 金曜日 午前１０時１８分
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