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under afproevningen foretages ingen afkoeling af lyddaemperen ved ventilation, der simulerer luftstroemningen omkring koeretoejet.
during the test, the silencer must not be cooled by a forced draught simulating normal airflow around the vehicle.
det beskrevne apparatur, hvoraf et detaljeret diagram gives i figur 3, monteres ved udgangen af lyddaemperen.
the test apparatus, a detailed diagram of which is shown in figure 3, must be fitted at the outlet of the exhaust system.
lyddaemperen monteres ved hjaelp af de tilhoerende dele under iagttagelse af koeretoejsfabrikantens forskrifter paa motoren, som kobles til et bremsedynamometer.
using standard parts and observing the vehicle manufacturer's instructions, the silencer must be fitted to the engine, which is coupled to a dynamometer.