Section XIX. MAIN BEARINGS AND CRANKSHAFT
Main Bearings and Crankshaft Removal and
The crankshaft is supported by seven main
bearings. The end and center main bearings are
different, whereas the four intermediate main bearings
are alike. The front main bearing is polished on one
(1) Remove timing gears and front end plate (par.
side to back up a brass thrust ring, which is installed
between the front main bearing and the first throw of the
crankshaft. Dowel pins in the block locate the bearing
caps accurately to the block. The journals of the
crankshaft are hardened to resist wear and scoring.
Remove connecting rod bearing caps (par.
bearings, and crankshaft.
68 AGO 8456A