MAIN BEARING AND CRANKSHAFT REPAIR (CONT) -726030076

TM 9-2320-360-34-2

CAUTION

Store crankshaft on end. Crankshaft

may bend If stored on side.

(22) Attach lifting device to crankshaft (2).

WARNING

Crankshaft weighs 185 lb (84 kg).

Keep out from under crankshaft

when it Is supported by lifting device.

If crankshaft falls, serious Injury or

death may result.

(23) Guide crankshaft (2) while assistant operates

lifting device to remove crankshaft.

(24) Remove two remaining upper bearing shells (17)

from bearing surfaces (23) at front and rear of

engine block (1).

(25) Remove two thrust bearings (24) from rear

upper bearing surface (23).

CAUTION

Upper bearing shells have a through

slot for lubrication. Upper bearing

shells are installed in cylinder block.

Failure to comply will block off oil

flow and damage to equipment may

result.

NOTE

If runout measured during testing is

not within limits, do steps (26) thru

(36) to see if bearing shell caused

crankshaft runout. (26) Align tab (25)

on new upper bearing shell (17) with

slot

(26) on engine block rear main bearing surface (23).

19-61