PERIODIC MAINTENANCE
JH Series Operation Manual 69
12/05
Inspection and Maintenance of EPA Emission-Related Parts
• Marine diesel engines less than 37 kW: 3JH5E is certified as EPA CI marine engine and
CARB non-road engine
• Marine diesel engines greater than 37 kW: 4JH5E, 4JH4-TE and 4JH4-HTE1 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)
JH5_EN_OPM.book 69 ページ ２０１３年８月８日 木曜日 午前９時２３分
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