Figure 7-5. Checking accessory drive gear and starter idler gear backlash.

c. Torque Tighten Crankcase Tie Rod Nuts.

Refer to figures 5-172 and 5-171 and, with the

aid of an assistant holding the slotted nuts on

opposite side of crankcase, tighten crankcase tie

rod nuts to 640 pound-inches. Install 14 cotter

pins to secure nuts. Care should be taken so that

the tie rod extends equally on both sides of

crankcase.

d. Crankshaft Oil Seal. The crankshaft oil

seal is installed during overhaul of the crankshaft

(fig. 6-32). Refer to figure

7-7

for

correct

position of oil seal split line.

Figure 7-5. Checking accessory drive gear

and starter idler gear backlash.

b. Crankshaft Oil Seal Housing and Support.

Refer to figure 5-168 and install new candlewick

packing in four openings, at the crankcase and

oil seal housing support parting line as shown in

figure 7-6. Refer to figures 5-167 through 5-165

and install oil seal cap and housing attaching

Figure 7-7. Correct position of crankshaft oil

parts and retainers.

seal split line before installing seal retainer.

e. Transmission Adapter. Refer to figures 5-

164 and 5-163.

f. Flywheel.

Note. The dowel pins (fig. 7-8) are so located

that the flywheel can be installed on the flange

on the crankshaft in only one position.

Transmission

Drive

Gearshaft

Assembly.

(1) Position transmission drive gearshaft

assembly on dowel pins (fig. 7-8) which protrude

through

flywheel.

(2) Refer to figure 5-159 and alternately

tighten bolts to 1000 pound-inches.

(3) Check flywheel runout as shown in

figure 7-9 using dial indicator. Runout should

not exceed 0.015-inch. Replace flywheel if

runout exceeds this limit.

Figure

7-6.

Installing

candlewick

packing

between crankcase and oil

seal housing support.

7-5