
NOTICE: The standard alternator with
the recommended battery is designed
to produce electrical power for regular
engine operations only. If power is
being used for onboard lights and other
systems, the charging system may be
inadequate. Consult your authorized
Yanmar Marine dealer or distributor.
Every 250 Hours of Operation
Perform the following maintenance every
250 hours or 1 year of operation.
• Draining the Fuel Tank
• Replacing the Fuel Filter Element
• Inspecting the Fuel Injection Nozzle
Spray Pattern
• Replacing the Engine Oil Filter
Element
• Inspecting the Seawater Pump
Impeller
• Inspecting the Zinc Anode
• Cleaning the Intake Silencer (Air
Filter)
• Cleaning the Exhaust / Water Mixing
Elbow
• Cleaning the Breather Pipe
• Checking and Adjusting the
Alternator V-Belt Tension
• Checking the Wiring Connectors
• Inspecting and Adjusting the Intake /
Exhaust Valve Clearances
• Inspecting and Adjusting the Throttle
and Shift Control Cables
Draining the Fuel Tank
See Draining the Fuel Tank on page 49.
PERIODIC MAINTENANCE
54 GM Series Operation Manual
© 2007 Yanmar Marine International
Komentáře k této Příručce