Yanmar 1GM10 Operation Manual page 53

◯: Check or Clean ◊: Replace ●: Contact your authorized Yanmar Marine dealer or distributor
System
Visually inspecting the engine
Whole
exterior
Inspecting the fuel level
Draining the fuel tank
Draining the fuel filter / water
separator
Fuel System*
Replacing the fuel filter element
Inspecting the fuel injection timing
Inspecting the fuel injection
nozzle spray pattern
Inspecting the oil level
Lubricating Changing the oil
System
Inspecting the function of the oil
pressure warning lamp
Replacing the engine oil filter
element
Inspecting the seawater outlet
Cooling
Inspecting the seawater pump
System
impeller
Inspecting the zinc anode
Cleaning the intake silencer (air
filter)
Cleaning the exhaust / water
Air Intake and
mixing elbow
Exhaust
System
Cleaning the breather pipe
Inspecting the exhaust gas
condition
Inspecting the function of the
battery charge warning lamp
Inspecting the battery electrolyte
Electrical
level
System
Checking and adjusting the
alternator V-belt tension
Checking the wiring connectors
Inspecting for fuel, oil or engine
leaks
Engine
Tightening all major nuts and
Cylinder Head
bolts
and Block
Adjusting the intake / exhaust
valve clearances
Inspecting and adjusting the
throttle and shift control cables
Miscellaneous
Items
Adjusting the propeller shaft
alignment
*
For EPA requirements, see Inspection and Maintenance of EPA Emission-Related Parts on page 48.
Note: These procedures are considered normal maintenance and are performed at the
owner's expense.
GM Series Operation Manual
Before
Starting
Item
See Daily
Checks on
page 28.
*
Engine
Marine
Gear
Engine
Marine
Gear
◯ During
Operation
◯ During
Operation
◯ During
Operation
◯ After
Starting
© 2007 Yanmar Marine International
PERIODIC MAINTENANCE
Periodic Maintenance Interval
Every
Initial 50
50
Hours
Hours
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◊
◊
◊
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◯
◯
Every
Every
Every 250
1000
150 Hours
Hours or
Hours or 1
4 Years
Year
◯
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*
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◊
◊
◊
◯ ◊
◊
◯
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◯ ◊
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