Emissions Information - Briggs & Stratton 073000 Manuel D'utilisation

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Emissions Information

Engines that are certified to meet the California Air
Resources Board (CARB) Tier 2 Emission Standards must
display information regarding the Emissions Durability
Period and Air Index. The engine manufacturer makes this
information available to the consumer on emissions labels.
The engine emissions label will indicate certification
information.
The Emissions Durability Period describes the number
of hours of actual running time for which the engine is
certified to be emissions compliant, assuming proper
maintenance in accordance with the Operating &
Maintenance Instructions. The following categories are
used:
Moderate: Engine is certified to be emissions compliant
for 50 hours of actual engine running time.
Intermediate: Engine is certified to be emissions
compliant for 125 hours of actual engine running time.
Extended: Engine is certified to be emissions compliant
for 300 hours of actual engine running time.
For example, a typical walk-behind lawn mower is used
20 to 25 hours per year. Therefore, the Emissions
Durability Period of an engine with an intermediate
rating would equate to 10 to 12 years.
Certain Briggs & Stratton engines will be certified to meet
the United States Environmental Protection Agency
(USEPA) Phase 2 emission standards. For phase 2
certified engines, the Emissions Compliance Period
referred to on the Emissions Compliance label indicates
the number of operating hours for which the engine has
been shown to meet Federal emissions requirements.
For handheld engines:
Category C = 50 hours
Category B = 125 hours
Category A = 300 hours

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