PERIODIC MAINTENANCE
58 YM Series Operation Manual
Inspection and Maintenance of EPA Emission-Related Parts
• Marine diesel engines less than 37 kW (50 hp) are certified as EPA CI marine engine
and CARB non-road engine
• Marine diesel engines greater than 37 kW (50hp) are certified as EPA CI marine
engines
Inspection and Maintenance of EPA Emission-Related Parts for Non-Road
and CI Marine Engines
Note: The inspection and maintenance items shown above are to be performed at
your Yanmar Marine dealer or distributor.
Parts Interval
Clean fuel injection nozzle 1500 hours
Check fuel injection nozzle pressure and spray pattern 3000 hours
Check fuel injection pump adjustment
Check turbocharger adjustment (if equipped)
Check electronic engine control unit and its associated sensors
and actuators (if equipped)
YM OPM_EN.book 58 ページ ２０１３年６月７日 金曜日 午前１１時１１分
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