TM 5-1940-277-34
MAIN BEARING INSPECTION AND REPLACEMENT INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
NOTE
Engine is in inverted position on engine maintenance stand or laid on side on top of work bench.
REMOVAL:
1.
Cylinder block
a.
Crankshaft
Turn crankshaft
Use 15/16 in soc-
(1)
pulley nut
to position a
ket and drive
(2)
piston at bot-
handle.
tom dead center.
b.
Connecting
a.
Loosen bolts.
Use 5/8 in soc-
rod bearing
ket, 6 in exten-
cap bolts (3)
sion and ratchet.
b.
Tap bolts
Use non-metallic
lightly to
hammer.
release con-
necting rod
cap (5).
c.
Connecting
Remove lower
rod bearing
bearing half.
cap (5) and
lower bearing
half (6)
NOTE
Repeat steps 1a thru 1c for each piston in turn.
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