3-9. CRANKSHAFT MAIN BEARINGS - REPLACE (Contd)
INSTALL NUMBER 1 AND NUMBER 7 MAIN
BEARINGS (3 AND 4).
Install number 1 main bearing (3 and 4),
STEPS 3a through 3e.
Be very careful not to scratch the crankshaft
or the bearing bore during the installation of
the upper bearing half. A scratched or
damaged crankshaft, or bearing bore, could
result in premature engine failure.
To insert upper half of number 1 main
bearing into bearing bore, simultaneously
push the upper bearing half with a flat blade
screwdriver and turn the crankshaft until
bearing tab is in notch in cylinder block.
Continue with number 1 bearing installation,
STEPS 3i, 3j, and 3m through 30.
CHECK CRANKSHAFT ROTATION.
Crankshaft must turn freely. If it does not turn
with relative ease, check bearing installations
and size of bearings.
CHECK CRANKSHAFT END PLAY, PARA. 3-8,
INSTALL OIL SUCTION TUBE, PARA. 3-21.
INSTALL OIL PAN, PARA. 3-20.