Illustration 12
The rotating oil pump plunger is here shown in situ,
together with the guide screw which registers in the
plunger profiled groove, thereby providing the recipro-
cating movement
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2
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5
DOWEL PEG, LOCATING TIMING GEAR
COVER.
TIMING SIDE FLYWHEEL AXLE WITH
INTEGRAL GEAR FOR DRIVING OIL PUMP
PLUNGER.
OIL PUMP PLUNGER.
SCREW (ONE OF THREE) WITH FIBRE
WASHER, PLUGGING OIL PASSAGES CAST
IN CRANKCASE.
GUIDE PIN. FOR OIL PUMP PLUNGER.
INSERTED RELIEVED TIP DOWNWARD
AS SHOWN.
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7
8
9
SCREWED BODY TO ACCOMMODATE
THE OIL PUMP PLUNGER GUIDE PIN.
BODY, WITH GUIDE PIN IN POSITION
ENGAGED IN PROFILED CAM GROOVE
OF OIL PUMP PLUNGER.
TAPPED HOLE, FOR PIPE FEEDING OIL TO
OIL PUMP.
TAPPED HOLE, FOR PIPE RETURNING
OIL TO OIL TANK.
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