Epa Requirements; Epa Certification Plates; Conditions To Ensure Compliance With Epa Emission Standards - Yanmar 6LY3 series Operation Manual

PERIODIC MAINTENANCE

EPA REQUIREMENTS

The EPA emission regulation is applicable
only in USA.

EPA Certification Plates

The engine has the EPA Certification
Plates (emission control label and
recreational marine engine label) attached.
Those labels are attached to the top of the
electronic control unit (ECU) cover plate
(Figure 9).
Figure 9
Conditions to Ensure
Compliance with EPA Emission
Standards
This product is an EPA-approved engine.
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The following are the conditions that must
be met in order to ensure that the
emissions during operation meet the EPA
standards. Be sure to follow these:
The operating conditions should be as
follows:
1. Ambient temperature: -20 - 40°C
(-4 - 104°F)
2. Relative humidity: 80% or lower
3. Permissible value for intake negative
pressure: 3.9 kPa (400 mmAq) or lower
4. Permissible value for exhaust back
pressure: 19.6 kPa (2000 mmAq) or
lower
The fuel and lubricating 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)
• Lubricating Oil: Type API, Class CD
Be sure to perform inspections as outlined
in Periodic Maintenance Procedures on
page 96 and keep a record of the results.
Pay particular attention to these important
points:
• Replacing the engine oil
• Replacing the lube oil filter
• Replacing the fuel filter
• Cleaning the intake silencer (air
0003493
cleaner)
Note: Inspections are divided into two
sections in accordance with who
is responsible for performing the
inspection: the user or the
maker.
6LY3 Operation Manual