Figure 6-39. Installing Crankshaft Rear Seal.

TM 10-3930-633-34

(27) Install a new crankshaft front oil seal in

the cylinder front cover (fig. 6-40). Install the

cylinder front cover and crankshaft damper b y

following the procedure outlined under Cylinder

Front Cover Installation, paragraph 6-36.

Figure 6-39. Installing Crankshaft Rear Seal.

Install the bearing inserts in the con-

(17)

necting rods and caps. Check the clearance of

each bearing following the procedure under

Connecting Rod bearing Replacement, paragraph

6-33.

( 1 8 ) If the bearing clearances are to

specifications, apply a light coat of engine oil to

the journals and bearing.

(19) Turn the crankshaft throw to the bottom

Figure 6-40. lnstalling Crankshaft Front Oil Seal.

of its stroke and pull the piston all the way down

(28) Apply oil-resistant sealer in the cavities

until the connecting rod bearing seats on the

between the bearing cap and cylinder block (fig.

crankshaft journal.

6-4 1). Install a new seal in the rear main bearing

(20) Install the connecting rod cap and

cap and apply a bead of oil-resistant sealer to the

torque the nuts to specifications.

tapered ends of the seal. Install new side gaskets

(21) After the piston and connecting rod

on the oil pan with oil-resistant sealer (fig. 6-42).

assemblies have been installed, check the con-

Position a new oil pan to cylinder front cover seal

necting rod side clearance on each crankshaft

on the oil pan and install the oil pan.

journal (fig. 6-33).

(22) Clean the oil pan, oil pump and oil pump

screen.

(23) Install the inlet tube and screen on the

oil pump. Prime the oil pump by filling the inlet

opening with oil and rotate the pump shaft until

oil emerges from the outlet opening. Install it

with a new gasket. Torque the attaching bolts to

specifications.

(24) Turn the engine on the work stand so

that the rear of the engine is up. Position the

engine rear cover plate on the cylinder block.

Position the flywheel on the crankshaft. Coat the

threads of the attaching bolts with oil-resistant

sealer and install the bolts. Torque the bolts to

specifications.

(25) Turn the engine on the work stand so

that the front end is up.

Figure 6-41. Installing Oil Pan Rear Seal.

(26) Install the crankshaft gear following the

procedure under Timing Gear Installation,

paragraph 6-39.

6-31