PERIODIC MAINTENANCE
Periodic Maintenance Schedule
12/05
6LY3 Service Manual
4-5
© 2007 Yanmar Marine International
Inspection and Maintenance of EPA
Emission-Related Parts
c
: Check
: Replace
z
: Contact your authorized Yanmar Marine dealer or distributor
System
Item
Before
Starting
Every 50
Hours or
One
Month*
Every 250
Hours or
One Year*
Every 500
Hours or
2 Years*
Every 1000
Hours or
4 Years*
Every 2000
Hours or
8 Years*
Air Intake and
Exhaust
System
Clean the air intake silencer.
{
Clean the exhaust / water mixing
elbow.
{
Clean the turbocharger blower.
●
Flush the intercooler.
●
Electrical
System
Check the alarm indicators.
{
Check the electrolyte level in the
battery.
{
Adjust the tension of the
alternator driving belt.
{
{
Check the wiring connections.
{
Cylinder Head,
etc.
Check for engine fluid leaks.
{
After
starting
Retorque all major nuts and
bolts.
●
Adjust the intake / exhaust valve
clearance.
●
Initial
●
Miscellaneous
Items
Check the electronic control
system.
{
{
Initial
Adjust the propeller shaft
alignment.
●
Initial
●
Check and replace engine
mounts, if necessary.
{
* Whichever comes first.
Parts
Interval
Clean Fuel Injection Nozzle
1500 hours
Adjust Fuel injection Nozzle
3000 hours
Adjust Fuel Injection Pump
Adjust Turbocharger
Check Electronic Engine Control Unit and
its Associated Sensors and Actuators
