PERIODIC MAINTENANCE Periodic Maintenance Schedule 12/05 PERIODIC MAINTENANCE SCHEDULE Daily and periodic maintenance is important to keep the engine in good operating condition. The following is a summary of maintenance items by periodic maintenance intervals. Periodic maintenance intervals vary depending on engine application, loads, diesel fuel and engine oil used and are hard to establish definitively. The following should be treated only as a general guideline. c : Check ‘ :
Replace © 2009 Yanmar Marine International System Item Periodic Maintenance Interval Daily Every 50 hours or monthly whichever comes first Every 250 hours or one year whichever comes first Every 500 hours or 2 years whichever comes first Every 1000 hours or 4 years whichever comes first Every 2000 hours or 8 years whichever comes first Whole Visual inspection of engine exterior c Before starting Fuel System Check for fuel leakage c Before starting Check the fuel level and refill if necessary c Before starting Drain water and sediment from fuel tank c Drain the fuel filter / water separator c Replace the fuel fine filter Replace fuel filter / water separator element Check the fuel pump and fuel lines c Lubricating System Check the engine oil level c Before starting Change the engine oil and replace the oil filter element Initial 50 Cooling System - Engine Coolant Visual inspection of cooling system c Before starting Check coolant level and check for leaks c Before starting Drain and refill closed cooling system (engine coolant) BY Service Manual 4-5