Yanmar 2YM15 Operation Manual page 55

◯: Check or Clean ◊: Replace ●: Contact your authorized Yanmar Marine dealer or distributor
System Item
Visual inspection
Whole
of engine exterior
Check the fuel
level and refill if
necessary
Drain water and
sediment from the
fuel tank
Drain the
fuel / water
Fuel System
separator
Replace the fuel
filter element
Check the fuel
injection timing
Check the fuel
injector spray
*
pattern
Check
the
engine
oil level
Replace
Lubricating the
System engine
oil
Replace
the oil
filter
element
Seawater outlet
Check coolant
level
Check or replace
Cooling the seawater pump
System
impeller
Replace coolant
Clean and check
the seawater
passages
YM Series Operation Manual
Before
Starting
Initial 50
See Daily
Checks on
page 33
◯
◯
Engine
◯
Marine
◯
Gear
Engine
Marine
Gear
Sail
Drive
Engine
◯ During
Operation
◯
Every year. When Long Life Coolant (LLC) is used, replace every two years.
© 2007 Yanmar Marine International
PERIODIC MAINTENANCE
Periodic Maintenance Interval
Every
Every 50
hours or hours or
monthly
which- months
Hours
ever which-
comes
first comes
◯
◯
◊
◊
◊
See Engine Coolant Specifications on page 29.
Every Every
100
150 250
hours or hours or
six
one year one year
which- which-
ever ever
ever
comes comes
first first
first
◊
◊
Every
1000
hours or
4 years
which-
ever
comes
first
◯
◊
●
*
●
◊
◊
◊
◯
●
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