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 1.
Bearing half, upper
6. Bolt, main bearing cap
2.
Thrust washer, upper ,
7. Front oil seat
3.
Gear, crankshaft timing
8. Bolt, crankshaft pulley
4.
Thrust washer, lower
9. Gear, oil pump drive
5.
Main bearing cap
10. Crankshaft
Figure 5-31. Crankshaft, main, and thrust bearings.
(f)
To remove all but the rear main upper half,
NOTE
use a 1/4 inch bolt that is one inch long, with a square head,
two-piece thrust washers are used on each
and the head ground until it is only 1/4 inch thick. Insert this
side of the rear main bearing. The lower
special bolt into the oil hole in journal (fig. 5-32) then turn
half of these washers will be removed with
crankshaft clockwise and roll the bearing half out of position in
the bearing cap. The upper halves can be
cylinder block. The head of the bolt must not extend beyond
removed by using a small rod to push on
the outside diameter of the bearing half.
one end of half, and forcing it to revolve
around shaft and out.
5-38
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