1 COM(91) 243-244 - 2 - The recommendations are as follows: MAXIMUM CO CONTENT ------------------------------------------ PETROL-ENGINED INSPECTION If stated by If not stated by VEHICLES the manufacturer the manufacturer ------------------------------------------------------------------------- - Not equipped Visual Content
stated CO: 4.5% by volume with a by the manufacturer for pre-1986 three-way + a tolerance of vehicles catalytic of 0.5% by volume converter CO: 3.5% by volume for post- 1986 vehicles ------------------------------------------------------------------------ - Equipped with a Visual three-way catalytic converter: . at idl
...[+++]ing speed Content stated 0.5% by volume by manufacturer . at 2000 rev/min 0.3% by volume 0.3% by volume ------------------------------------------------------------------------ ABSORPTION COEFFICIENT DIESEL-POWERED INSPECTION ------------------------------------ VEHICLES Stated by Not stated by manufacturer manufacturer --------------------------------------------------------------------- Measurements of Manufacturer's 2.5 m-1 to exhaust smoke figure 3.5 m-1 density + 0.5 m-1 tolerance - - - The second proposal defines which brake-system components are to be tested on commercial vehicules, plus the causes of malfunctions.