CRANKSHAFT AND GEAR
REMOVE CRANKSHAFT AND
OTC Model 1730-A Engine
Bearing Puller Attachment
remove flywheel housing
remove valve lifters
remove timing gear cover and oil pump
Fasten a hoist and put the engine in position on
Turn the crankshaft until the timing mark on the
crankshaft gear is in alignment with the timing
mark on the camshaft gear.
NOTE: For more detail about removal of main bearings
see REMOVE AND INSTALL CRANKSHAFT MAIN
Remove bolts (1) and main bearing caps (2).
Remove the lower halves of the main bearings
from the caps.
Install two of the bolts that hold the flywheel in
place in the end of crankshaft.
Fasten a hoist and remove crankshaft (3) from
the engine. The weight of the crankshaft is 120
lb. (54 kg).
CAUTION: Be careful not to cause damage to the
crankshaft journals when the crankshaft is removed.
Remove the upper halves of the main bearings
from the cylinder block.
Install tooling (B) and remove the gear from the