0 SERIESOM−02806
MAINTENANCE & REPAIRPAGE E − 6
An alternate method of removing the stationary
seal seat is to remove the hardware (12 and 13)
and separate the seal plate (6) from the intermedi-
ate (39). Position the seal plate on a flat surface
with the impeller side down. Use a wooden dowel
or other suitable tool to press on the back side of
the stationary seat until it can be removed.
If no further disassembly is required, see Seal
Reassembly and Installation.
Shaft and Bearing Removal and Disassembly
When the pump is properly operated and main-
tained, the intermediate should not require disas-
sembly. Disassemble the shaft and bearings only
when there is evidence of wear or damage.
Shaft and bearing disassembly in the field
is not recommended. These operations
should be performed only in a properly-
equipped shop by qualified personnel.
Remove the intermediate drain plug (43) and drain
the lubricant. Clean and reinstall the drain plug.
Disengage the hardware (14 and 15) and slide the
bearing cap (47), oil seal (48) and bearing shims
(17) off the shaft. Tie and tag the shims or measure
and record their thickness to ease reassembly.
Press the oil seal from the bearing cap.
Place a block of wood against the drive end of the
shaft (49) and tap the shaft and assembled bear-
ings (40 and 44) from the intermediate. Be careful
not to damage the shaft.
Press the oil seal (38) from the intermediate bore.
After removing the shaft and bearings, clean and
inspect the bearings in place as follows.
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.
Clean the intermediate, shaft and all component
parts (except the bearings) with a soft cloth soaked
in cleaning solvent. Inspect the parts for wear or
damage and replace 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.
Clean the bearings thoroughly in fresh cleaning
solvent. Dry the bearings with filtered compressed
air and coat with light oil.
Bearings must be kept free of all dirt and
foreign material. Failure to do so will great-
ly shorten bearing life. Do not spin dry
bearings. This may scratch the balls or
races and cause premature bearing fail-
ure.
Rotate the bearings by hand to check for rough-
ness or binding and inspect the bearing balls. If ro-
tation is rough or the bearing balls are discolored,
replace the bearings.
The bearing tolerances provide a tight press fit
onto the shaft and a snug slip fit into the intermedi-
ate. Replace the bearings, shaft, or intermediate if
the proper bearing fit is not achieved.
If bearing replacement is required, remove the
bearing retaining ring (45) and use a bearing puller
to remove the bearings from the shaft.
Shaft and Bearing Reassembly and Installation
Clean and inspect the bearings as indicated in
Shaft and Bearing Removal and Disassembly.
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