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 Figure 5-32. Removing main bearing upper half (with crankshaft in place).
(g) Remove the rear main bearing half by
NOTE
driving on edge of one end with a small rod (fig. 5-33) while at
Prior to removing the upper bearing half
the same time revolving the crankshaft to roll the bearing half
check bearing-to-journal as described in
out of its position in the cylinder block.
(3)(c) below.
Figure 5-33. Removing rear main bearing upper half (with crankshaft in place ).
shiny spots. Shiny spots indicate that bearing is not being
(2)
Cleaning, inspection, and repair.
held securely in the caps.
(a) Wash bearing half, bearing cap, and
(c) Check clearance between bearing half
journal thoroughly, and wipe dry.
and crankshaft journal, before removing the upper half, place
(b) Inspect crankshaft journals for scoring
a short piece of soft lead wire in lower
or discoloration sign of overheating. Replace a defective
crankshaft (g. below). Check back of bearing halves for
5-39
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