2. Inspection and adjustment
15
2. Inspection and adjustment
2.1 Periodic maintenance schedule
The engine periodic inspection timing is hard to determine as it varies with the application, load status,
qualities of the fuel and lubricating oils used and handling status. General rules are described here.
{
: User-maintenance
Å
: Parts replacement
z
: Shop-inspection
System
Item
Before
starting
*
2
Initial
50hrs. or
one month
*
2
Every
50hrs. or
one month
2
Every
100
hrs. or
two months
*
2
Every
250 hrs. or
one year
*
2
Every
1000 hrs. or
4 years
Whole
Visual inspection of engine outside
{
Fuel system
Check the fuel level, and refill
{
Drain the fuel tank
{
{
Drain the fuel filter
{
Replace the fuel filter
Å
Check the injection timing
z
Check the injection spray condition
z
*
1
Lubricating
system
Check the lube oil
level
Crankcase
{
Marine gear
{
Replace the lube
oil
Crankcase
Å
Å
Marine gear
Å
Å
Sail drive
Å
Å
Replace the engine lube oil filter.
Å
Å
Cooling
system
Seawater outlet
{
During
operation
Check cooling water level
{
Check the impeller of the cooling
water pump (seawater pump)
{
Å
Replace the fresh water coolant
Every year
When long life coolant of a specified type is used,
replacement period of two years can be obtained.
Clean & check the water passages
z
Air intake
and
exhaust
system
Clean the element of the air intake
silencer
{
Clean the exhaust/water mixing
elbow
{
Check the exhaust gas condition
{
During
operation
Diaphragm assembly inspection
z
Summary of Contents for 3YM20
Page 1: ...M9961 03E100 ...
