Instruction manual

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

1 DOWEL PEG. LOCATING TIMING GEAR

COVER.

2 TIMING SIDE FLYWHEEL AXLE WI T H

INTEGRAL GEAR FOR DRIVING OIL PUMP

PLUNGER.

3 OIL PUMP PLUNGER

4 SCREW (ONE OF THREE) W I T H FIBRE

WASHER. PLUGGING OIL PASSAGES CAST

IN CRANKCASE.

5 GUIDE PIN. FOR OIL PUMP PLUNGER.

6 SCREWED BODY TO ACCOMMODATE

THE OIL PUMP PLUNGER GUIDE PIN.

7 BODY. WI TH GUIDE PIN IN POSITION

ENGAGED IN PROFILED CAM GROOVE

OF OIL PUMP PLUNGER.

8 TAPPED HOLE. FOR PIPE FEEDING OIL TO

OIL PUMP.

9 TAPPED HOLE. FOR PIPE RETURNING

OIL TO OIL TANK.