PERIODIC MAINTENANCE
Every 1000 Hours of Operation
Perform the following maintenance every 1000 hours
or 4 years of operation, whichever comes first.
• Replacing the Seawater Pump Impeller
• Cleaning and Checking the Seawater
Passages
• Adjusting the Propeller Shaft Alignment
• Replacing the Lagging of Turbo-charger
■ Replacing the Seawater Pump Impeller
The seawater impeller must be replaced every
1000 hours even if it is not damaged.
See Checking and Replacing the Seawater Pump
Impeller on page 47.
■ Cleaning and Checking the Seawater
Passages
After prolonged use, clean the seawater passages
to remove trash, scale, rust and other contaminants
that collect in the cooling water passages. This can
cause declining cooling performance. The following
items need to be inspected:
• Heat Exchanger
• Pressure Cap
Contact your authorized Yanmar Marine dealer or
distributor.
■ Adjusting the Propeller Shaft Alignment
Contact your authorized Yanmar Marine dealer or
distributor.
■ Replacing the Lagging of Turbo-charger
Contact your authorized Yanmar Marine dealer or
distributor.
Component
Lagging of turbo-charger
52
Part No.
119798-18340
8LV Series Operation Manual