b. Before placing piston rings on piston, position
5. Installation of Crankshaft
rings in cylinder bore to be sure there is a ring
a. The installation of crankshaft in cylinder block is
gap of from .007 to .017.
illustrated in Figure 21.
c. Piston rings must be installed according to their
b. Timing marks are provided on crankshaft and
markings. Install compression ring with groove
camshaft gears for correct timing of engine.
or bevel up. Oil control rings can be installed
When in place, mark between teeth of camshaft
either way. Install rings properly to gain correct
(B, Fig. 21) must line up with mark on shoulder
ring functions.
of crankshaft (A, Fig. 21). (Chalk timing mark
positions for ease of viewing (during assembly.
Figure 21
Crankshaft Installation
Figure 23
A and B are Timing Marks
Installing Piston Assembly
6. Bearing Plate
d. After rings are in proper position in correct
a. Press front main bearing, shielded side up, into
grooves, oil complete assembly, stagger ring
bearing plate. Figure 22.
gaps so they are not in line and insert complete
assembly into cylinder bore.
Be sure
b. Place bearing plate and gasket on crankshaft.
connecting rod marking (A, Fig. 24) is toward
flywheel side of engine. Use a ring compressor
c. Carefully press bearing plate assembly onto
to prevent ring breakage during installation.
crankshaft and into block.
d. Install four cap screws with copper washers.
Draw cap screws up evenly.
Figure 4
Tightening Connecting Rod Cap Screws
Figure 22
Front Bearing Installation
A - Connecting Rod Marks C - Cap Screw
7. Piston and Rod Assembly
B - Flywheel Side
D - Socket
a. Assemble piston to connecting rod and secure
piston pin with retainer rings. Always use new retainer
rings. Be sure retainer rings carefully engaged in
grooves in piston bosses.
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