e. Install oil screen (10) and pin (9).
b. Install key (19) in drive shaft (20). Press drive
f. Position oil pump mounting gasket (8) over the
gear (18) onto the drive shaft 2 15/16. Inch dimension
mounting holes in the block and lift oil pump into place.
from the top of the gear to the end of the shaft. Lock the
Align pump with block for free movement of oil pump
gear on the shaft with pin (17)
c. Place idler shaft (16) and idler gear (15) in pump
g. Install gasket (5) and position pan (4) in place,
and secure with capscrews (3). Install gasket (2) and
d. Lubricate the gears and cams with engine oil, and
drain plug (1).
install gasket (14) and cover (13) on the pump body and
secure with capscrews (11) and washers
Section VI. REPAIR OF CRANKSHAFT, CAMSHAFT, AND PISTON RINGS
a. The camshaft controls the action of the intake
c. The connecting rods are forged steel with bronze
bushings at the upper ends.
Rod caps are not
pressure lubricated and have oil holes drilled in them.
interchangeable and are numbered for identification. The
These oil holes must be aligned with the holes in the
pistons are aluminum alloy, tin plated with hand ground solid
b. The crankshaft is the power linkage between the
pistons and the power train. It is counterbalanced; and is
supported by five steel backed babbitt main bearings.
crankshaft as follows.
The middle bearing, (item25, fig. 13-6) absorbs the
Thrust bearing set (1
Rod bolt (16)
Piston pin (8)
Connecting rod (8)
Rod bearing (8)
Piston ring set (8)
Fuel pump cam
Bearing set (4)
Figure 13-6. Camshaft, pistons, and crankshaft, exploded view.