Periodic Maintenance Schedule - Yanmar BY Series Service Manual

Periodic Maintenance Schedule

12/05

PERIODIC MAINTENANCE SCHEDULE

Daily and periodic maintenance is important to keep the engine in good operating condition. The following is
a summary of maintenance items by periodic maintenance intervals. Periodic maintenance intervals vary
depending on engine application, loads, diesel fuel and engine oil used and are hard to establish definitively.
The following should be treated only as a general guideline.
: Check : Replace
System
Whole Visual inspection of engine
exterior
Fuel System Check for fuel leakage
Check the fuel level and
refill if necessary
Drain water and sediment
from fuel tank
Drain the fuel filter / water
separator
Replace the fuel fine filter
Replace fuel filter / water
separator element
Check the fuel pump and
fuel lines
Lubricating Check the engine oil level
System
Change the engine oil and
replace the oil filter
element
Cooling Visual inspection of cooling
System - system
Engine Coolant
Check coolant level and
check for leaks
Drain and refill closed
cooling system (engine
coolant)
BY Service Manual
Item
Daily
Before
starting
Before
starting
Before
starting
Before
starting
Before
starting
Before
starting
© 2009 Yanmar Marine International
PERIODIC MAINTENANCE
Periodic Maintenance Interval
Every 50 Every 250
hours or hours or
monthly one year
whichever whichever
comes first comes first
Initial 50
Every 500 Every 1000
hours or hours or
2 years 4 years
whichever whichever
comes first comes first
Every 2000
hours or
8 years
whichever
comes first
4-5