Crankcase emission ventilation system
Flushing the system. For flushing disconnect vent hoses 4
and 5 (Fig. 2-75) from the manifolds, remove flame arrester 3
from discharge hose 5, remove cover 6 of oil separator 7 and
wash them in petrol or kerosine.
Flush and blow dry with compressed air the carburettor man-
ifold to draw crankcase emission on the throttle body (to the side
of the air cleaner).
42
Fig.2-73. Removal and refitting of the oil pump / distributor shaft bush:
1 - tool Ä.60333/1/2
Fig.2-74. Pressing out the oil pump / distributor inner gear bush:
1 - tool Ä.60326/R
Fig.2-75. Crankcase ventilation diagram:
1 - filter element, air cleaner; 2 - exhaust manifold; 3 - flame arrester; 4 - hose
to draw crankcase emission on throttle body; 5 - discharge hose; 6 - oil sepa-
rator cover; 7 - oil separator; 8 - oil separator drain tube
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