Robin EC12 - Oil Pump Operation; Function

Carburetor
Fig. 10-3
10-3 OIL PUMP OPERATION / FUNCTION
10-3-1 OIL PUMP (1M64-01) OPERATING
PRINCIPLE
(1) The crankshaft turns which rotates the worm
gear. The plinger which directly gose to the
worm rotates at
1/17th of engine speed.
(2) The plinger wilI be pushed down to the pins
by the spring.
Then it moves to left and right with a rotating
motion due
to the configuration of the edge of
lead.
(3) The sub plunger will be stabilized into the
plug
by the spring via E ring. By above (2)
stroke, pumping will occur.
Oil outlet
Fig. 10-4
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