OM-07328
SUPER T SERIES
MAINTENANCE & REPAIR
PAGE E - 10
If bearing replacement is required, remove the out
board bearing snap ring (21) and use a bearing
puller to remove the bearings from the shaft.
Press the inboard oil seal (16) from the bearing
housing.
Shaft and Bearing Reassembly and Installation
(Figure 2)
Clean the bearing housing, shaft and all compo
nent parts (except the bearings) with a soft cloth
soaked in cleaning solvent. Inspect the parts for
wear or damage as necessary.
Most cleaning solvents are toxic and
flammable. Use them only in a well ven
tilated area free from excessive heat,
sparks, and flame. Read and follow all
precautions printed on solvent contain
ers.
Inspect the shaft for distortion, nicks or scratches,
or for thread damage on the impeller end. Dress
small nicks and burrs with a fine file or emery cloth.
Replace the shaft if defective.
Position the inboard oil seal (16) in the bearing
housing bore with the lip positioned as shown in
Figure 2. Press the oil seal into the housing until the
face is
just flush
with the counterbored surface to
ward the inside of the housing.
To prevent damage during removal from
the shaft, it is recommended that bearings
be cleaned and inspected
in place
. It is
strongly
recommended that the bearings
be replaced
any
time the shaft and bear
ings are removed.
NOTE
Position the inboard bearing (17) on the shaft with
the shielded side toward the impeller end of the
shaft. Position the outboard bearing (20) on the
shaft with the integral retaining ring on the bearing
O.D. toward the drive end of the shaft.
The bearings may be heated to ease installation.
An induction heater, hot oil bath, electric oven, or
hot plate may be used to heat the bearings. Bear
ings should
never
be heated with a direct flame or
directly on a hot plate.
NOTE
If a hot oil bath is used to heat the bearings, both the
oil and the container must be
absolutely
clean. If
the oil has been previously used, it must be
thor
oughly
filtered.
Heat the bearings to a uniform temperature
no
higher than
250
F (120
C) and slide the bearings
onto the shaft, one at a time, until they are fully
seated. This should be done quickly, in one con
tinuous motion, to prevent the bearings from cool
ing and sticking on the shaft.
After the bearings have been installed and allowed
to cool, check to ensure that they have not moved
away from the shaft shoulders in shrinking. If
movement has occurred, use a suitably sized
sleeve and a press to reposition the bearings
against the shaft shoulders.
If heating the bearings is not practical, use a suit
ably sized sleeve and an arbor (or hydraulic) press
to install the bearings on the shaft.
When installing the bearings onto the
shaft,
never
press or hit against the outer
race, balls, or ball cage. Press
only
on the
inner race.
Secure the outboard bearing on the shaft with the
bearing snap ring (21).
Slide the shaft and assembled bearings into the
bearing housing until the retaining ring on the out
board bearing seats against the bearing housing.
When installing the shaft and bearings into
