TM 10-4320-307-24
4-17
CRANKSHAFT ASSEMBLY REPLACE/REPAIR (CONT )
CAUTION
Main bearing cap puller must be
centered on cap.
NOTE
There are six different part number
bearing shells. Mark shells with
journal number from which they
are re-moved.
d.
Use main bearing cap puller (11),
remove seven bearing caps (8) with
seven lower main bearing shells (12)
and seven main bearing rings (13).
NOTE
Upper main bearing shells will be
re-moved after removing
crankshaft.
Upper thrust rings will be removed after re-
moving crankshaft.
e.
Remove two lower thrust rings (14) from the
No. 7 bearing cap (8) and mark as bottom
front and bottom rear thrust rings.
CAUTION
Do not lay crankshaft on its side.
Stand on end to prevent warpage.
4.
Lower crankshaft out of cylinder block onto work
bench and remove slings.
5.
Remove seven upper main bearing shells from
cylinder block and seven lower shells from
bear-ing caps and mark with journal number
from which they are removed.
6.
Remove two upper thrust rings and mark as upper front and up-
per rear thrust rings.
4-125
