
PERIODIC MAINTENANCE
68 6LPA Series Operation Manual
Perform the following maintenance
procedures every 1250 hours of operation
or 5 years, whichever comes first.
• Cleaning the Cooling Water System
• Cleaning and Checking the Seawater
Passage
• Cleaning and Checking the Fresh
Water Cooling Water Passage
• Adjusting the Tension of the
Alternator V-Belt
• Replacing the Timing Belt
• Washing Engine Oil Cooler
• Replacing the Front Rubber Damper
Cleaning the Cooling Water System
See your authorized Yanmar Marine dealer
or distributor.
Cleaning and Checking the
Seawater Passage
See your authorized Yanmar Marine dealer
or distributor.
Cleaning and Checking the Fresh
Water Cooling Water Passage
See your authorized Yanmar Marine dealer
or distributor.
Adjusting the Tension of the
Alternator V-Belt
See Checking and Adjusting the Alternator
V-Belt Tension on page 66.
Replacing the Timing Belt
See your authorized Yanmar Marine dealer
or distributor.
Washing the Engine Cooler
See your authorized Yanmar Marine dealer
or distributor.
Replacing the Front Rubber Damper
See your authorized Yanmar Marine dealer
or distributor.
Every 1250 Hours of Operation
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