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70484 Figure 193 540480 Oil vapour recycling 1. Pre-separator - 2. Exhaust to the outside (temporary) - 3. Filter - 4. Return to engine The tappet cover houses the pre-separator (1), whose shape and position determines an increase in oil vapour outlet speed Condensate oil returns to the oil sump whereas the residual vapours are ducted, collected and filtered in the blow-by (3). In the blow-by (3), part of the vapours condense and return to the oil sump whereas the remaining part is put into cycle again Oil condensate Oil vapours E URO C ARGO T ECTOR 12-26 t ENGINE F4 AE 0481 87 Base - February 2003 |