125000302 - 1080D CRANKCASE VAPOUR/GAS RECIRCULATION SYSTEM

Operation

During engine operation, oil vapours from the crankcase collect in the cylinder heads.A portion of the oil vapours condense and fall into the crankcase. The remaining vapours are directed to the intake via pipes (1) and (2).When idling, oil vapours flow through pipe (1). At higher loads, they flow through pipe (2).