Wacker Neuson BS 50-2 Operator's Manual

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Wacker Neuson BS 50-2 Operator's Manual Manual pdf 6 page image

Emission Control System Informationwc_tx000030gb.fm 42. Emission Control System InformationSource of EmissionsThe combustion process produces carbon monoxide, oxides ofnitrogen, and hydrocarbons. Control of hydrocarbons and oxides ofnitrogen is very important because, under certain conditions, theyreact to form photochemical smog when subjected to sunlight. Carbonmonoxide does not react in the same way, but it is toxic.Wacker utilizes lean carburetor settings and other systems to reducethe emissions of carbon monoxide, oxides of nitrogen, andhydrocarbons.The U.S. and California Clean Air ActsEPA and California regulations require all manufacturers to furnishwritten instructions describing the operation and maintenance ofemission control systems.The following instructions and procedures must be followed in order tokeep the emissions from your Wacker engine within the emissionsstandards.Tampering and AlteringTampering with or altering the emission control system may increaseemissions beyond the legal limit. Among those acts that constitutetampering are:•Removal or alteration of any part of the intake, fuel, or exhaustsystems.•Altering or defeating the speed-adjusting mechanism to cause theengine to operate outside its design parameters.Problems That May Affect EmissionsIf you are aware of any of the following symptoms, have your engineinspected and repaired by your servicing dealer.•Hard starting or stalling after starting.•Rough idle.•Misfiring or backfiring under load.•Afterburning (backfiring).•Black exhaust smoke or high fuel consumption.