Installation of Crankshaft

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.

Figure 23.

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.