TM 9-2320-289-34
3-15. CRANKSHAFT, MAIN BEARINGS, AND FLYWHEEL REMOVAL (Con’t).
CAUTION
Care should be taken when using
blunt-edged tool to remove upper
main bearing. Failure to follow this
caution may result in damage to
crankshaft (3).
NOTE
No more than one main bearing
(8) should be removed at one
time. Always replace one main
bearing before replacing any other
main bearing.
3.
Using blunt-edged tool, unseat upper
main bearing by tapping into engine
block (4) .
Rotate crankshaft until
upper main bearing is rolled out of
engine block.
NOTE
Ensure
that
connecting
bearings and connecting rod caps
4.
5.
(11 ) are marked for installation.
Remove
16
nuts
(10)
and
8
connecting
rod
caps
(11)
from
crankshaft (3) journals. Discard nuts.
bolts. Push pistons
cylinders. Remove
Install short piece of 3/4 in. I.D. hose
(9) over threads of all connecting rod
(12)
completely
into
crankshaft
(3) .
TA50659
3-49
