Yanmar BY Series Service Manual page 50

PERIODIC MAINTENANCE
: Check : Replace
System
Cooling Visual inspection of cooling
System - system
Seawater
Circuit
Check the seawater outlet
Check seawater pump belt
for wear, replace if
necessary
Check seawater filter (if
equipped) and inlet
Replace the anodes
Check or replace the
seawater pump impeller
Air Intake and Visual inspection
Exhaust
System
Replace turbocharger heat
shield
Check the exhaust pipe
Check the air intake
system
Check the exhaust / water
mixing elbow
Replace the air filter
element
Electrical Check the electrolyte level
System in the battery (serviceable
batteries only)
Check the wiring
connectors
Check alternator belt for
wear or replace belt
4-6
Item
Daily
Before
starting
Before
starting
*
Before
starting
Before
starting
© 2009 Yanmar Marine International
Periodic Maintenance Schedule
Periodic Maintenance Interval
Every 50 Every 250
hours or hours or
monthly one year
whichever whichever
comes first comes first
Every 500 Every 1000
hours or hours or
2 years 4 years
whichever whichever
comes first comes first
BY Service Manual
Every 2000
hours or
8 years
whichever
comes first