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PART 1-4 -
SUPER
DUTY
v
-a
ENGINES
1-93
Oil
SEAL
aEA~INCS
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Oil
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Oil SfAL
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WASHER
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DAMPER KEY
BEARING
CA PS
1658
....
FIG. 40-Cran!cshaft
and
Relat.
d
Parts
FIG.
41-s801
to
Block
Installation
marked
SO
they
can be
installed in
their
original
locations. Remove
the
connecling
rod
bearing
caps,
then
carefully
push
the
piston
and rod
assemblies against
the
heads.
Remove
the
main bearing
caps.
5,
Carefully
lift
the
crankshaft
and
timing
gear out of the cylinder
block
so
that
the
thrust
bearing
sur-
ces
are
not
damaged.
Handle
the
ankshaft
with
eare to avoid
possi-
oJle £raelure or damage
to the
finished
surfaces.
Remove
the
rea
r
journal
oil
seal
from
the
block
and
rcar
main
1
S76_A
FIG.
42-Seol to a earing Cap
Installation
bearing
cap,
and
remove
Ihe
cap 10
block
side
seals.
6. If new main
and
/
or
connccting
rod
bearings are
to
be
installed, reo
move the
main bearing
inserts
from
the
block
and
bearing caps,
and/
or
the connecting
rod
bearing inserts
from
the
connecting
rods
and
caps.
Install new
bearings
following the
procedures
in
Section
8 "
Main and
Connecting
Rod Bearing
Replace.
ment."
INSTAUATION
If
a
new
crankshaft
is
to be
in·
stalled, remove
the timing
gear
and
key
from the
old
shaft
and
install
them on
the new shaft.
1.
Be
sure that
all
bearings,
crank-
shaft
journals,
and
the
rear
journal
oil
seal
grooves
are
clean.
lnstall a
new
rear journal
o
il
seal
in
the block
(Fig.
41) :l nd
rear main bearing
cap
(Fig.
42).
After installation,
cut
the
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