ENGINE REPAIR (Cont'd)
Piston And Crankshaft Removal (Cont'd)
Remove
the bolts
from
the bearing cap halves [A).
Remove the halves of
the
main bearings.
NOTE: When installing the bearing cap halves, make
sure
to
position the markings on
the
bearing
caps toward the
flywheel. Thrust washers
must be
installed
with
oil
grooves facing
outward.
Timing Gear And Camshaft
Service
Measure the camshaft bearing
in
the engine block [B).
The specification
is
1.5748-1.5758 inches (40-40,03
mm).
The wear limit
is
0.002-0.0036
(0,05-0,09
mm).
Measure
the
camshaft journal [C].
The specification
is
1.5722-1.5728
inches
(39,934-39,950
mm).
The wear limit
is
0.002-0
.0036
inch
(0,05-0,09
mm).
If
the measurements are not within the specifications
replace the needed parts.
Put
the
camshaft
on
V-blocks.
Put
a dial indicator
on
the journals.
Turn
the
camshaft at a slow rate.
The wear limit
is
0.0008 inch (0,02 mm) (0).
If
the
camshaft measurements are not within the
specification replace the needed parts.
Revised
Sept.
90
-7C-29-
741,742,743, 7430S Bobcat Loader
Service Manual
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