Periodic Maintenance Schedule - Yanmar BY Series Service Manual

PERIODIC MAINTENANCE
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
Fuel System
Lubricating
System
Cooling
System -
Engine Coolant
4-8
Item
Visual inspection of engine
exterior
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 pre-filter
Replace the fuel fine filter
Replace fuel filter / water
separator element
Check the fuel pump and fuel
lines
Check the engine oil level
Change the engine oil and
replace the oil filter element
Visual inspection of cooling
system
Check coolant level and check
for leaks
Replace coolant

Periodic Maintenance Schedule

Periodic Maintenance Interval
Every 50
hours or hours or one
Daily monthly
whichever
comes first
Before
starting
Before
starting
Before
starting
Before
starting
Initial 50
Before
starting
Before
starting
BY Service Manual
Every 250 Every 500
hours or
year 2 years
whichever whichever
comes first comes first