Flowserve WDX - Manual (Page 33)

WDX USER INSTRUCTIONS ENGLISH 71576322 06-05
Page 33 of 46
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2. Disconnect external piping such as balancing drum
bleed line, cooling connections or mechanical seal
pipework.
3. Disconnect the coupling halves. If oil-lubricated
couplings are used, drain the oil before unbolting.
4. Remove the coupling half from the pump shaft and
take off the key.
6.8.2 Dismantling antifriction thrust bearing
For all WDX variants
6.8.2.1 Oil lubricated bearings
Dismount the fan cover [8162] by loosening the
screws.
Remove the fan [2450-03] by loosening screw [6570-
01].
Unscrew the four bearing nuts [6572].
Remove the bearing cover [3211].
Straighten tab on bearing lock washer [6541-01] and
unscrew bearing lock nut [3712].
Repeat the operation for the second blockage.
Remove the spacer sleeve [2460-02].
Remove the snap ring [6544-02].
Remove the spacer sleeve [2460-01].
The whole thrust bearing assembly can then be
removed from the shaft.
6.8.2.2 Grease lubricated bearings
Dismount the fan cover [8162] by loosening the
screws.
Remove the fan [2450-03] by loosening screw [6570-
01].
Unscrew the four bearing nuts [6572].
Remove the bearing cover [3211].
Straighten tab on bearing lock washer [6541-01] and
unscrew bearing lock nut [3712].
Repeat the operation for the second blockage.
Remove the spacer sleeve [2460-02].
Remove the snap ring [6544-02].
Remove the spacer sleeve [2460-01].
The whole thrust bearing assembly can then be
removed from the shaft.