V-8
ENGINE
6-57
ifci.jp
J-6173-1
J-6173-3
Fig.
6-98
Removing
Camshaft
Bearing
2.
Insert replacer
adapter
J 6173-3
into
rear of
bearing to be removed so that shoulder on remover
bears
against rear
edge
of bearing.
NOTE;
If
rear
bearing is to be removed, ii
will
be
necessary to remove camshaft
rear
plug.
3.
Place
Indexing collar J 6073-6 on threaded end
of
shaft
with
open side toward unthreaded end and
start thrust washer and nut on shaft (Fig. 6-97).
4.
Insert shaft and indexing collar through re-
mover and replacer
adapters
and position lug on
Indexing
collar in ventilator hole in
front
of block
(Fig.
6-97). This Indexes shaft so that it cannot
rotate.
5.
Slip
key J 6073-5
into
notches In shaft behind
bearing to be removed (Fig. 6-98).
6.
Turn
nut on
front
of shaft to
pull
key against
remover
adapter
J 6173-4, then continue to
turn
nut
until
bearing is pulled out of Its hole.
CAMSHAFT
BEARING—REPLACE
1.
Place
a clean rag against
each
side of trans-
verse
member just below bearing hole to catch any
shavings and carefully clean up hole.
All
scratches
or
nicks in
cast
Iron
should be smoothed
with
a
scraper
or
file.
Chamfer the rear
edge
of hole
slightly
to reduce possibility of shaving down the
outer diameter of bearing when It Is Installed,
2.
Insert remover
adapter
J 6173-4
into
front
bearing to act as a support for the shaft.
NOTE;
If front bearing is being replaced, insert
remover
adapter in center bearing to act as
sup**
port
for the shaft.
4.
Coat outside of new bearing
with
oil and place
it
over replacer
adapter
J 6173-3, Indexing notch in
edge
of bearing
with
pin on replacer
adapter.
NOTE;
The notch in edge of bearing is used to
properly
position the bearing, with respect to oil
holes,
when it is installed. When bearings are in-
stalled
in production, notches all face front except
the one in
rear
bearing. In
service
it is necessary
to
install
bearings with notch
facing
the
rear.
5. Position replace
adapter
J 6173-3,
with
bearing
in
position against shoulder, against rear of hole in
which
bearing is to be installed (Fig. 6-99). Index
mark
on shoulder of replacer must point down (to-
ward
crankshaft side) to properly position bearing.
6. Insert shaft
with
indexing collar, thrust washer,
and nut through remover,
pilot
and replacer
adapters.
Index
lug on collar
with
ventilation hole in
front
of
block
(Fig. 6-97).
7.
Slip
key J 6173-5
into
notches in shaft behind
replacer
adapter
J 6173-3 and tighten nut to start
bearing
into
hole (Fig. 6-99). Continue to tighten nut
until
bearing has been pulled completely
into
its hole.
When
properly positioned, it
will
be approximately
flush
with
both
sides
of the
transverse
member.
NOTE;
Rear
bearing should be
pulled
in until
front
edge is flush with block.
This
will
leave
shoulder
at end of counter bore for camshaft
rear
plug
visible
behind bearing.
8.
Remove remover and replacer set J 6173.
9.
Visually
observe that holes in bearing
line
up
with
drillings
in block.
10.
Carefully remove
rags
used to catch particles
of
metal and use magnet or vacuum cleaner to make
sure
that all metal particles are removed
from
block
surfaces
and oil
drillings.
3. Insert
pilot
J 6173-7
into
hole in
which
bearing
is
to be installed.
Fig.
6-99
Installing
Camshaft
Bearing
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