4. MAINTENANCE AND INSPECTION (5) Quality guarantee period for the emission related parts If the schedule of periodic maintenance outlined in 4.4.3 (Inspection and Maintenance) is followed, the quality guarantee period is determined by the age of the engine or the number of hours of operation as indicated below. Power rating
Parts
Quality guarantee period
kW<19
Fuel nozzle, fuel pump
1500 hrs. of operation or 2 years
19=<kW<37
Fuel nozzle, fuel pump
3000 hrs. of operation or 5 years
4.4.3 Inspection and Maintenance Inspection and maintenance for EPA emission related parts are shown in the chart below. (Inspection and maintenance not noted below are the same, see 4.2 and 4.3)
EN
Parts
Interval term
Check fuel valve nozzle (clean)
1500 hours
Check & adjustment of fuel injection pressure & atomizing condition 3000 hours Check fuel pump (adjust)
3000 hours
Note: The inspection and maintenance shown above are to be performed at your Yanmar dealer or distributor
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