Xylem Flygt 2400 Installation, Operation And Maintenance Manual page 33

b) Remove the impeller.
c) Remove the key.
4. Remove the diffuser:
a) Remove the two strainer halves by undoing their fixing screws.
b) Disconnect the bolted joint.
c) Remove the next diffuser ring section.
5. If you must remove the inner diffuser disc, do as follows:
The inner diffuser disc is located inside the diffuser ring.
a) Remove the wear ring.
b) Remove the diffuser disc by removing the screw.
6. Remove the sleeve.
If it is tight, use a puller. It may come loose when the inner impeller is prized loose in
the same way as the outer.
Flygt 2400 Installation, Operation, and Maintenance Manual
WS001892A
Use two crowbars.
WS001905A
Note that every other bolt is screwed into the oil casing.
Use a sling.
Use two screwdrivers.
Maintenance
31