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TM 5-2420-222-34
3-8.
CRANKSHAFT MAINTENANCE (Con’t).
CAUTION
•
Lift main bearing cap out carefully. Careless removal may allow lower sleeve
bearing half to fall from bearing cap causing damage to lower sleeve bearing
half and crankshaft journal.
•
Lower sleeve bearing halves must be installed in same main bearing caps from
which they are removed. Failure to do so may damage parts.
13.
Remove main bearing cap (8) with lower sleeve bearing half (9) from engine block (3) and crankshaft (14).
Remove lower sleeve bearing half from main bearing cap.
CAUTION
Ensure that crankshaft is lifted straight out of engine block. Knocking crankshaft
against engine block may damage parts.
NOTE
Upper sleeve bearing halves are different sizes. Note location to ensure proper
Installation.
14.
With the aid of an assistant, lift crankshaft (14) and five upper sleeve bearing halves (18) out of engine block (3).
TA701250
3-47
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