Installation - continued - TM-10-3930-673-340184

TM 10-3930-673-34

3-9. CRANKSHAFT MAIN BEARINGS REPLACEMENT (CONT)

(4)

Remove main bearings halves (5 and

6) from main bearing positions (1

and 7).

(a)

If main bearing position number on

bearing cap (3) is missing or hard to

read, etch the correct number on the

bearing cap so that it is facing the

oil cooler side of the engine.

(b)

Remove two screws (4) and bearing

cap (3) from bearing position no. 1.

Remove lower bearing half (6) from

bearing cap.

TR01416

CAUTION

Be very careful not to scratch the

crankshaft or the bearing bore

during the removal of the upper

bearing halves. A scratched or

damaged crankshaft, or bearing

bore, could result in premature

engine failure.

(c)

Use a flat blade screwdriver to

remove upper bearing half (5) from

main bearing position no. 1 because

the crankshaft journal for no. 1

main bearing does not have an oil

hole. Gently push end of upper bearing half (5) to loosen it from the cylinder block.

3-82