CRANKSHAFT AND MAIN BEARINGS
Description
The crankshaft has five
ma
in bearings. The end play is
controlled by a thrust bearing at the center main bearing.
Each main beari
ng
cap
has
identification marks in relation
to the engine block [A].
The positi
on
of each cap can not be changed from the
original locati
on
.
Removal
Remove the timing cover and timing belt. (See Page
78-47
.)
Remove the oil pan. (See Page
78-51.)
Remove the crankshaft rear oil seal and case [B].
Remove the main bearing caps and bearings [C].
NOTE: If the main bearings are going to be used
again, put a mark on them for correct
installation.
Remove the crankshaft.
Checking
Check the crankshaft connect
rod
journals (0):
Standard
.. ..
....
. .
..
.
..
. . . . 1.7717 inches (45 mm)
Out-of-Round and Taper . . . . . .
..
...
..
. . 0.0004 inch
(0,
01
mm) or less
Oil Clearance
..
. 0.0004-0.0024 inch (0,
01-0
,06 mm)
Added Sept. 90
A
-70-44-
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ViewX
741, 742, 743,
7430S
Bobcat Loader
Service Manual
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