Yanmar 6LT Series, Руководство по эксплуатации, Страница: 46 / 76

INSPECTION AND MAINTENANCE
42 6LT Series Operation Manual
EPA MAINTENANCE REQUIREMENTS
To maintain optimum engine performance and compliance with the Environmental Protection Agency (EPA)
Regulations for Engines, it is essential that you follow the
Maintenance Schedule on page 43 and the
Maintenance Procedures on page 45 .
EPA Requirements for USA and Other Applicable Countries
The EPA emission regulation is applicable only in the USA and other countries that have adopted the EPA
requirements in part or in whole. Determine and follow the emission regulations in the country where your
engine will be operating to assist you in specified compliance.
Environmental Condition for operation and maintenance
The following environmental operating conditions and maintenance should be observed, in order to keep
engine performance.
• Ambient temperature: -15 °C to +40 °C (5 °F to +104 °F)
• Relative humidity: 80% or lower
The diesel fuel should be:
• ASTM D975 No. 1-D S15, No. 2-D S15, or equivalent (minimum of cetane No. 45)
The lubricating oil should be:
• API Service Categories CI and CI-4.
Be sure to perform inspections as outlined in Maintenance Procedures on page 45 and keep a record of
the results.
Pay particular attention to these important points:
• Replacing the engine oil
• Replacing the engine oil filter
• Replacing the fuel filter
• Cleaning the intake silencer (air cleaner)
Inspections are divided into two sections in accordance with who is responsible for performing the
inspection: the user or the maker.
Inspection and Maintenance
Inspection and maintenance procedures are covered in Maintenance Schedule on page 43 .
This maintenance must be performed to keep the emission values of your engine in the standard values
during the warranty period. The warranty period is determined by the age of the engine or the number of
hours of operation.