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. CAUTION! Establish a periodic maintenance plan according to the engine application and make sure you perform the required periodic maintenance at intervals indicated. Failure to follow these guidelines will impair the engine s safety and performance characteristics, shorten the engine s life and may affect the warranty coverage on your engine. See your authorized Yanmar marine dealer or distributor for assistance when checking items marked with a. : or Clean : : Contact your authorized Yanmar marine dealer or distributor Item Periodic Maintenance Interval Whole Fuel Visual inspection of engine exterior fuel level and refill if necessary Drain and sediment from fuel tank Drain the fuel / separator the fuel filter element fuel injection timing * fuel injector pressure and nozzle spray pattern * Daily 50 or or Initial * * 1 54 LPA Series Operation Manual
: or Clean : : Contact your authorized Yanmar marine dealer or distributor Item Periodic Maintenance Interval Lubricating Marine Drive Fresh Water Cooling engine oil level Change the engine oil the engine oil filter element Wash the engine oil cooler marine drive oil power steering oil power trim oil drive oil coolant level Change coolant Clean and check the cooling passage Clean the cooling system Daily 50 or or PERIODIC MAINTENANCE Refer to the marine drive system operation manual. 1 LPA Series Operation Manual 55
: or Clean : : Contact your authorized Yanmar marine dealer or distributor Item Periodic Maintenance Interval Sea Cooling Piping Electrical outlet discharge or pump impeller or zinc anodes and clean the passage Clean or exhaust / mixing elbow or replace fuel line and rubber hoses alarm and indicators electrolyte level in the battery tension of the alternator V-belt or replace V- belt Daily 50 or During Operation or 1 5 LPA Series Operation Manual
: or Clean : : Contact your authorized Yanmar marine dealer or distributor Item Periodic Maintenance Interval Remote Control Handle Intake and Exhaust Miscellaneous and lubricate the remote control cable operation remote control cable Wash turbocharger blower Clean air cleaner intake and exhaust valve clearance Lap the intake and exhaust valves and adjust the power steering oil pump belt (LPA- STZP2 only) the timing belt Daily 50 or or PERIODIC MAINTENANCE Initial 1 * For EPA requirements, see Inspection and Maintenance of EPA Emission-Related Parts on page 58. Note: These procedures are considered normal maintenance and are performed at the owner s expense. LPA Series Operation Manual 57
Inspection and Maintenance of EPA Emission-Related Parts Parts Clean fuel injection nozzle fuel injection nozzle (adjustment) fuel injection pump adjustment turbocharger adjustment electronic engine control unit and its associated sensors and actuators Interval 1 3000 Note: The inspection and maintenance items shown above to be performed at your Yanmar dealer or distributor. 58 LPA Series Operation Manual