Yanmar 6LY3 series Operation Manual page 102

PERIODIC MAINTENANCE
: Check : Replace : Contact your authorized Yanmar marine dealer or distributor
System
Cooling
System Seawater outlet
Check coolant level
Check the seawater pump impeller
Replace the engine coolant
Clean & check the seawater
passages
Clean seawater and engine
cooling system
Replace anode
Air Intake and Clean the air intake silencer
Exhaust
Clean the exhaust/water mixing
System
elbow
Clean the turbocharger blower
Flush aftercooler
Electrical Check the alarm indicators
System
Check the electrolyte level in the
battery
Adjust / replace the tension of the
alternator belt
Check the wiring connectors
Engine
Check for leakage of fuel, engine
Cylinder Head
oil and engine coolant
and Block
Tighten all major nuts and bolts
Adjust intake / exhaust valve
clearance
Miscellaneous Check the electronic control
Items system operation
Adjust the propeller shaft
alignment
Check / replace flexible engine
mounts
1 For EPA requirements, see EPA Requirements on page 112.
Note: These procedures are considered normal maintenance and are performed at
the owner's expense.
94
Item Daily
During
Operation
When long life coolant is used, replace every two years. See Filling Heat
After
starting
Back
Periodic Maintenance Interval
Every Every 250
50 hrs. or hrs. or one
one month year
whichever whichever
comes comes
first first
Every year
Exchanger with Engine Coolant on page 48.
1
(1st time)
(1st time)
(1st time)
6LY3 Operation Manual
Every 500 Every
hrs. or 2 1000 hrs. 2000 hrs.
years or 4 years or 8 years
whichever whichever whichever
comes comes comes
first first
Every
first