Figure 5-61. Checking Rod Alignment

Figure 5-62. Flywheel Housing Installation

5-45. CR.ANKSHAFT INSTALLATION.

a. Prior to crankshaft installation, install all valve

lifters in the bores from which they were originally

removed. Lifters should be dipped in clean engine

oil before installing.

b . Install crankshaft and gear assembly, using

Figure 5-61. Checking Rod Alignment

c. If new crankshaft gear is to be installed, heat

the gear to a maximum of 400F, and using tongs

5-44. CONNECTING ROD BEARING

a n d asbestos gloves, install gear on crankshaft,

REPLACEMENT.

making sure that keyway is properly positioned.

a . Connecting rod bearings must be inspected

d. Torque all bearing caps to specifications and

according to figure 5-50, and bearings evidencing

check bearing clearances.

any abnormal condition must be replaced.

e. Check to see that crankshaft rotates freely.

b. The connecting rod bushing (wrist pin

bushing) should be checked for wear internally and

f. Install the rear main seal. Lightly coat the steel

also for good fit in the rod eye.

edge of the seal (flywheel side) with non-hardening

Permatex.

c. If the bushing requires replacement, it should

be pressed out of the rod as shown in figure 5-60,

and the new bushing installed in a similar manner.

g. The small side of the steel lip must be installed

toward the engine side and the oil seal must be

d. Ream the new bushing to size (see Table 5)

installed l/32 inch below machined surface on

after installation.

engine side of flywheel housing.

e. Connect rod alignment should be checked in a

h. Install flywheel housing. Install new O-ring

fixture such as that shown in figure 5-61. Do not

s e a l on flywheel housing, with vulcanized joint

attempt to straighten a bent rod, it must be

toward top of engine.

replaced.

5-38