Conditions To Ensure Compliance With Epa Emission Standards; Inspection And Maintenance - Yanmar 6LPA-STP2 Service Manual

EPA Requirements
12/05
Conditions to Ensure Compliance
with EPA Emission Standards
The following are the conditions that must be met in
order to ensure that the emissions during operation
meet the EPA standards.
The operating conditions should be as follows:
• Ambient temperature: -20 to 40°C (-4 to 104°F)
• Relative humidity: 80% or lower
• Permissible value for intake negative pressure:
2.0 kPa (204 mmAq) (8 in.Aq) or lower
The fuel and engine oil used should be as follows:
• Diesel fuel oil: ASTM D975 No. 1-D or No. 2-D, or
equivalent (minimum of cetane No. 45)
• Engine Oil: Type API, Class CD of higher
Be sure to perform inspections as outlined in
Periodic Maintenance Procedures on page 4-9 and
keep a record of the results.
Pay particular attention to these important points:
• Replacing the engine oil
• Replacing the oil filter
• Replacing the fuel filter
• Cleaning the intake silencer (air cleaner)
Note: Inspections are divided into two sections
in accordance with who is responsible for
performing the inspection: the user or the
manufacturer.
6LPA Service Manual

Inspection and Maintenance

See Inspection and Maintenance of EPA
Emission-Related Parts on page 4-8 for the EPA
emission-related parts. Inspection and
maintenance procedures not shown in the
Inspection and Maintenance of EPA
Emission-Related Parts section are covered in
Periodic Maintenance Schedule on page 4-6.
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.
© 2007 Yanmar Marine International
PERIODIC MAINTENANCE
4-5