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EXPLANATION OF MAINTENANCE SCHEDULE
The following is a brief explanation of the services listed in the preceding Engine Maintenance schedule.
1. Oil level and oil fouling
Check that the oil level is between the max. level mark and the min. level mark.
Drain oil to the max. level mark if oil level is above the max. level mark. Add oil to the
max. level mark if oil is below the min. level mark.
2. Oil leakage check
Replace any damaged or malfunctioning parts which could cause leakage.
3. Oil pressure gauge
registration
Engine oil pressure is normal at the values of the following in warmed-up condition.
Oil pressure : 147 kPa (21 psi) /1000min
-1
294 kPa (43 psi) /1800min
-1
343 to 686 kPa (50 to 100 psi) /2200min
-1
Check and repair the lubrication oil system, if it is abnormal.
4. Oil pressure warning
lamp
Warning lamp is off while engine running. If it stays on, check and repair the lubrication
system.
5. Engine oil replacement
Change oil every 250 hours. (Cartridge type)
6. Engine oil replacement
Change oil every 500 hours. (Remote filter type)
7. Oil filter element
replacement
Change element every 500 hours.
8. Fuel leakage check
Inspect the fuel lines for damage which could cause leakage. Replace any damaged or
malfunctioning parts.
9. Draining water in fuel
filter
The fuel system without the water sedimenter.
Drain the sedimented water in fuel filter every 250 operating hours.
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