Main Engine Exhaust Sample Clauses

Main Engine Exhaust. Each main engine is provided with a selective catalytic reduction (SCR) exhaust after-treatment system, consisting of a mixing tube assembly, SCR module, an aqueous urea solution (AUS) dosing system, and associated controls. Install these components for each main engine in accordance with the manufacturer's recommendations. Provide and install a spark arresting silencer, Maxim MSA11 or equal between the outlet of each engine's SCR module and the exhaust system outlet to weather.