Yanmar 2YM15 Operation Manual
Also see for 2YM15: Operation manualOperation manualOperation manualOperation manualService manual
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Contents
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EPA MAINTENANCEREQUIREMENTSTo maintain optimum engine performanceand compliance with the EnvironmentalProtection Agency (EPA) Regulations forEngines, it is essential to follow the PeriodicMaintenance Schedule on page 48 andthe Periodic Maintenance Procedures onpage 52.EPA Requirements for USA andOther Applicable CountriesThe following are the requirements for theEPA. Unless these requirements are met,the exhaust gas emissions will not be withinthe limits specified by the EPA.The EPA emission regulation is applicableonly in the USA and other countries thathave adapted the EPA requirements in partor in whole. Determine and follow theemission regulations in the country whereyour engine will be operating to assist you inspecified compliance.Conditions to EnsureCompliance with EPA EmissionStandardsThe 2YM15, 3YM20 and 3YM30 are EPA-certified engines.The following are the conditions that must bemet in order to ensure that the emissionsduring operation meet the EPA standards:• Ambient temperature: -20˚ to +40˚C(-4˚ to +104˚F)• Relative humidity: 80% or lowerThe diesel fuel should be:• ASTM D975 No. 1-D or No. 2-D, orequivalent (minimum of cetane No. 45)The lubricating oil should be:• Type API, Class CD or higherPerform the inspections as outlined inPeriodic Maintenance Procedures on page52 and keep a record of the results.Pay particular attention to these importantpoints:• Replacing the engine oil• Replacing the engine oil filter• Replacing the fuel filter• Cleaning the intake silencer (air cleaner)Note: Inspections are divided into twosections in accordance with who isresponsible for performing the inspection:the user or the manufacturer.Inspection and MaintenanceSee Inspection and Maintenance of EPAEmission-Related Parts on page 51 for theEPA emission-related parts. Inspection andmaintenance procedures not shown in theInspection and Maintenance of EPAEmission-Related Parts on page 51section are covered in PeriodicMaintenance Schedule on page 48.This maintenance must be performed tokeep the emission values of the enginewithin the standard values during thewarranty period. The warranty period isdetermined by the age of the engine or thenumber of hours of operation.PERIODIC MAINTENANCEYM Series Operation Manual 47© 2007 Yanmar Marine International |
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