5-20. CRANKSHAFT MAINTENANCE INSTRUCTIONS - Continued
Then slowly turn the flywheel one-quarter turn to
free crankshaft journal from connecting rod.
Remove the flywheel (Para. 4-37).
Remove four nuts (1) and lockwashers (2) that
secure seal housing (3).
Install two capscrews (Metric size M6 x 30 mm
long) in the two threaded holes in flange of seal
housing (3). Turn in the capscrews alternately un-
til the seal housing breaks free from the engine
Remove the two belleville washers (4), angle
ring (5), preformed packing (6) and thrust
washer (7). Discard the preformed packing.
Remove the seal housing (3) from end of crank-
shaft (10). and remove preformed packing (8)
from inner shoulder. Discard the preformed pack-
Pull or pry the encased seal (9) from the seal
housing (3). Discard the encased seal.
Do not remove retaining ring or bearing
from seal housing (3). The Bearing inner
race is shrink fitted to the crankshaft and
must be replaced at general support main-
Do not allow crankshaft gear to drag on
the front main bearing, installed in the
engine housing. Scoring of the bearing
will occur, requiring replacement of the
Carefully remove the crankshaft (10) from the en-