Installation - continued - TM-10-3930-673-340179

TM 10-3930-673-34

NOTE

Install bearing halves dry for the following clearance checks.

(c)

Refer to end play data measured earlier in Removal, Step (1). If crankshaft (1) end play is not

within 0.005 - 0.010 in. (0.13 - 0.25 mm), install a new, appropriate oversize thrust bearing (2).

(d)

Install a dry main upper bearing half (5) over the crankshaft (1) journal such that the bearing

tab will fit into the notch in cylinder block. If used main bearing half is being installed, install

upper bearing half in the same position it was removed from.

(e)

Insert bearing removal/installation

tool into bearing journal oil hole so

that it will push against tab end of

bearing.

CAUTION

If the crankshaft is turned in the

wrong direction, the bearing tab will

be pushed between the crankshaft

and bearing area in the block. This

could cause damage to the block and

the crankshaft.

(f)

Slowly turn crankshaft (1) in the

correct direction until upper bearing tab is in the cylinder block notch.

(g)

Remove bearing removal/installation tool from crankshaft oil hole.

NOTE

After each upper bearing half is

installed, install the respective

lower bearing half and bearing cap

as described in the following steps.

(h)

Install a dry lower main bearing

half (6) in bearing cap (3). Tab on

bearing must be in the notch in

bearing cap. If used main bearing is

being installed, install bearing in

the same bearing cap it was

removed from.

NOTE

Do not turn crankshaft after

plastigage is in position. Plastigage

will be distorted.

(i)

Place plastigage on the surface of

lower bearing half (6).

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