Yanmar 3JH4CE - INSPECTION AND ADJUSTMENT; 2.1 Periodic Maintenance Schedule

2. Inspection and Adjustment
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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
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/water separator {
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
ÅÅ
Replace the engine lube oil filter.
ÅÅ
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
Every year
When long life coolant of the specified type is used, the
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
{
Diaphragm assembly inspection z
Electrical
system
Check the alarm lamps & devices {
Check the electrolyte level in the
battery
{
Adjust the tension of the alternator
driving belt
{{
Å
Check the wiring connectors {