Reassembly cont'd

TM 10-3930-633-34

assembly. Torque the attaching bolts to

the crankshaft end play by following procedures

specifications.

in paragraph 6-34.

(12) Check the camshaft end play, camshaft

(23) Apply oil-resistant sealer in the cavities

between the bearing cap and cylinder block (fig.

gear backlash following the procedures in

6-41). Install a new seal in the rear main bearing

paragraph 6-38. If the end play exceeds

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

specifications, replace the thrust plate. If the gear

tapered ends of the seal.

backlash exceeds specifications, replace the

(24) Install new side gaskets on the oil pan

camshaft gear (and crankshaft gear as necessary).

with oil-resistant sealer (fig. 6-42). Position a new

(13) Check the camshaft gear runout with a

cylinder front cover seal on the oil pan and install

dial indicator (paragraph 6-38). If the gear runout

the oil pan.

is excessive, replace the gear.

(25) Coat both sides of a new water pump

(14) Check the piston to cylinder bore fit of

gasket with water-resistant sealer and position

each piston following the procedure in paragraph

the gasket on the cylinder block. Coat the threads

6-27.

of the water pump bolts with water-resistant

(15) Check the end gap of all piston rings

sealer. Install the water pump. Torque the bolts

(para 6-27), Assemble the pistons, piston rings

to specifications.

and connecting rods, following the procedure

(26) Assemble the valves, springs, rocker

under Pistons and Connecting Rods Assembly,

arms, coolant outlet elbow, etc., following the

Check the piston ring side clearance.

procedures in Section IV.

(16) Install the piston and connecting rod

(27) Place a new cylinder head gasket on the

assemblies and check the clearance of the con-

block. Carefully position the cylinder head on the

netting rod bearings. Refer to paragraph 6-33.

block and install the bolts. Torque the bolts in

(17 ) Coat a new crankshaft front oil seal with

sequence (TM 10-3930-633-12) to specifications.

grease and install it in the cylinder front cover

When cylinder head bolts have been tightened, it

(fig. 6-36).

is not necessary to retorque the bolts after ex-

(18) Coat the gasket surfaces of the cylinder

tended operation. However, the bolts may be

front cover and cylinder block with oil-resistant

checked and retorqued, if desired.

sealer. Position the gasket on the block and in-

stall the cover (fig. 6-36). Torque the bolts to

(28) Clean the exterior surface of the valve

lifters with a clean, lint-free cloth and oil the

specifications.

surface with engine oil. Install the valve lifters

(19) Lubricate the damper end of the

(fig. 6-6) in the same sequence that they were

crankshaft with a white lead and oil mixture.

removed.

Apply Lubriplate or equivalent to the seal surface

of the front oil seal. Apply Lubriplate or

(29) Apply Lubriplate or equivalent to both

ends of the pushrods and to the pushrod bores in

equivalent to the seal surface of the crankshaft

damper and install the crankshaft damper (fig. 6-

the cylinder head. Install the pushrods in the

48).

same sequence that they were removed. Be sure

(20) Apply a light film of engine oil on a new

the pushrods are properly seated in the valve

crankshaft rear oil seal. Apply Lubriplate or

lifters. Engage the rocker arms with the pushrods

equivalent to the seal contact surface of the

and tighten the stud nuts sufficiently to hold the

crankshaft and install the seal (fig. 6-39) the

pushrods in place.

specified distance below the face' of the cylinder

(30) Adjust the valve clearance as described

block. Be sure the seal was not damaged during

in TM 10-3930-633-12.

installation.

(31) Coat the gasket surface of the pushrod

(21) Position the engine rear cover plate on

cover with oil-resistant sealer and position a new

the rear of the cylinder block and install the

gasket on the cover. Install the cover and gasket

fly wheel on the crankshaft. Apply oil-resistant

on the cylinder block. Torque the cover bolts in

sealer to the threads of the flywheel attaching

sequence to specifications.

bolts. Install the bolts and torque them to

(32) Install the carburetor, governor, spacer,

specifications.

intake and exhaust manifold, following the

(22) Prime the oil pump by filling the inlet

procedure in TM 10.3930-633-12.

opening with oil and rotate the pump shaft until

(33) Clean the valve rocker arm cover. Place

oil emerges from the outlet opening. Use a new

the new gaskets in the covers making sure that

gasket and install the inlet tube and screen on the

the tabs of the gasket engage the notches

oil pump. Position a new gasket on the oil pump

provided in the cover. Install the cover on the

body and install the oil pump and inlet tube

cylinder head and torque the cover screws in

6-12