Operation Guide

TROUBLESHOOTING

L-N Operation Manual

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

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