
PERIODIC MAINTENANCE
BY Series Operation Manual 79
Pay particular attention to these important
points:
• Replacing the engine oil
• Replacing the lube oil filter
• Replacing the fuel filter
• Cleaning the air filter
Note: Inspections are divided into two
sections in accordance with who
is responsible for performing the
inspection: the user or the
maker.
Inspection and Maintenance
See Inspection and Maintenance of EPA
Emission-Related Parts on page 82.
Inspection and maintenance procedures
not shown in the Inspection and
Maintenance of EPA Emission-Related
Parts section are covered in Periodic
Maintenance Schedule on page 79.
This maintenance must be performed to
keep the emission values of your engine in
the standard values during the warranty
period. The warranty period is determined
by the age of the engine or the number of
hours of operation.
PERIODIC MAINTENANCE
SCHEDULE
Daily and periodic maintenance is
important to keep the engine in good
operating condition. The following is a
summary of maintenance items by periodic
maintenance intervals. Periodic
maintenance intervals vary depending on
engine application, loads, diesel fuel and
engine oil used and are hard to establish
definitively. The following should be treated
only as a general guideline.
CAUTION
Establish a periodic
maintenance plan according to
the engine application and make
sure you perform the required
periodic maintenance at
intervals indicated. Failure to
follow these guidelines will
impair the engine’s safety and
performance characteristics,
shorten the engine’s life and may
affect the warranty coverage on
your engine.
See your authorized Yanmar
marine dealer or distributor for
assistance when checking items
marked with a
z.
0000024en6LY3
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