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Hub Bearing Installation Notes; Grease Seal Inspection And Lubrication - Kawasaki KX125 1990 Service Manual

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Hub Bearing Ins tallation Notes
-
Before
installing the wheel bearings,
blow
any dirt or
foreign particles out of the
hub
with compressed air
to prevent contamination of
the
bearings.
-
Inspect
the bearings and
replace
them if
necessary.
Lubricate
them and install them
using
the bearing
driver set
(special
tool) so that the
marked
or
shielded
sides
face
out
Front
Hub
Bearing
Rear Hub Bearing
.~.
I
-
. ..
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-
--
.,
--
, . .
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....
A.
Bearing Driver
Set:
57001-1129
2.
Bearing
Driver
1.
Bearing
Driver
Holder
3.
Bearing Driver
1
1
-I
nspect
the grease seal
and
replace
if
necessary.
Press
it
in
until
it
stops
at the circlip in the
hole using
the same
special
tools
used for bearing
installation.
WHEELSITIRE 8 -"
Hub Bearing Inspection and Lubricar;on
Since
the
wheel
bearings are
made
to extremely
close
tolerances,
the
clearance
cannot normally be
measu
red.
-
For front
hub
bearing. tum each bearing back
and
forth while
c
hecking
for
roughness
or
binding.
*
If roughness
or
binding
is found,
replace the
bearing.
-
For
rear
hub bearing.
wash
the
bearing
with a
high
ftash-point
solvent,
dry
it
(do not
spin it
while
it is
dryl
and
oil it
Spin
it by hand
to check
its
condition.
*
If
it is
noisy, does not
spin
smoothly,
or
has
any
rough
spots,
it must
be
replaced.
*
If the
bearing
is
to
be
used
again,
rewash it with
a
quality high
fl
ash-point
solvent
Dry it
and
pack it
with good bearing
grease,
turning
it
by hand a few
times
to
make
sure
the grease
is
distributed uni-
formly inside the
bearing. and wipe
the old grease
out
of
the
hub
before bearing
installation.
Clean
and grease the wheel
bearings
in accordance
with
the Periodic
Maintenance Chart.
NOTE
oSince the bearings on
the
rear wheel hub are
pa cked with
grease and
shielded,
they
have not to
be
lubricated.
A.
Crease
-
Examine
the
bearing seal
for
tears
or
leakage.
*
If
the
seal
is
torn
or
is
leaking. replace
the bearing.
Grease Seal
Inspection and Lubrication
If the grease
seals
are
exami
ned without removing the
seals
themselves, look for discoloration
(indicating
the
rubber
has
deteriorated),
hardening. damage to the
intemal
ribbing. or
other
damage.
If the seal or intemal
ribbing
has hardened,
the clearance between the seal
and the
axle
sleeve
will
not
be
taken
up,
which
will
allow dirt
and moisture
to
enter and reach the
bear-
ing.
If
in doubt as
to its condition
and
whenever a
seal
is removed for
greasing
the
bearing. the seal
should be
replaced.
The seals are generally
damaged
upon
removal.

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