110. Main Bearings and Crankshaft
Removal and Disassembly
The crankshaft is supported by seven main
bearings. The end and center main bearings
are different, whereas the four intermediate
(1) R e m o v e t i m i n g g e a r s a n d f r o n t e n d
main bearings are alike. The front main bear-
p l a t e (par. 86).
i n g is polished on one side to back up a brass
( 2 ) R e m o v e flywheel housing (par. 106).
thrust ring, which is instahed between the
(3) R e m o v e connecting rod bearing caps
f r o n t main bearing and the first throw of the
( p a r . 98).
crankshaft. Dowel pins in the block locate the
bearing caps accurately to the block. The jour-
n a l s of the crankshaft are hardened to resist
main bearings and crankshaft from
wear and scoring.