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GENERAL
INFOR:VIATI O N
~
.,... - ' - -
-
---=-
-------
Beari ng
Shift
29
immediately, the temperature is
correct. Heat
only
on
e hou sing
at a
time.
CAU TION
Do
1101
hea
t
the
ho
using
\1'ith
a
torch
(propane or
acetylenet-snever
bring
a flame into contact
with
the bearin
g
or
housing. The direct
heat will
de-
stroy
the case
hardening of the bear -
ing
and
will
/ike~)l
WOI] )
the
housing.
b.
Remove
the housing
from
the
oven or
hot
plate
and
hold
onto the
housing
with
a
kitchen
pot
holder,
heavy
gloves,
or heavy
shop
cloth-it
is
hot.
NO TE
Removal
lind installation
ofbearings
can
be accomplished
with
II
suitable
size socket and
e
xtension.
Shaft
~f--
D r
l
v
e r
Spacer
=-=::.J.f?±d~~
Bearin g
;
~
,'
!
Housin g
cases as
required
to remove all traces
ofoit
and other
chemical
deposits.
e.
Hold
the
housing
with
the bearing
side down
and
tap
the
bearing
out.
Repeat
for
all
bear-
ings
in the
housing,
d.
Prior
to hea
ting
the
bearin
g
ho
using,
place
the
new
bearing in
a freeze
r, ifpossible,
Chilling
a bearing
will
slightly redu
ce its
out
sid e
di-
ameter
while
the
heated
bearing
housing
as-
sembly is slightly larger
due
to heat
expansion.
This
will make
bearing
installa-
tion
much easier.
NOTE
Always
install
bearings with the
mafJ -
ufactu rers
mark or
number
facin
g
outward.
c.
Whi
le the
hou
sin g is
still hot
,
ins
ta ll
the
Il
C\ V
bearing(s)
into the housing.
Install
the
bear-
ings by hand, if
possible.
lfnccessary,
lightly
tap the
bearing(s)
into
the
housing
with
a
socket
placed
on the
outer bearing
race.
Do
not
install
new
bearings
by
driving on
the
in-
ner
bearing
rac
e. Insta
ll
the
bcaring(s)
until
it
scats
completely.
SEALS
a. T
he
hou
sing
must
be heale d to a tem
pera
ture
of about
2
12
0
F
(l00°
C) in an oven
or
on a
hot
plate.
An
easy way
1
0
check
that
it
is
at
the
proper
temp
eratur
e is
to drop
tiny drops
o
f
wa
ter
on the
cas
e ;
if they
sizzle and evap
orate
Seals
(Fig
ure
43)
arc
used
to
contain oil,
water,
grease
or co
mb
ustion
gasse s
in
a ho using
or
sha
ft.
Improper
removal
of
a
sea l can da
mage
the hou
sing
o
r shaft.
Improper insta
llat
ion
of the
seal
can dam
-
age
the sea
l.
No
te
the
following:
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