KSB ILN, Operating Manual

Page: 50 / 92

7 Servicing/Maintenance
50 of 92
ILN / ILNC / ILNR
5211.8/08-EN
7.4.4 Dismantling the pump set: ILNC
7.4.4.1 Dismantling the complete pump set
NOTE
The pump casing can remain installed in the piping for further dismantling.
ü The notes and steps stated in ( ð Section 7.4.1, Page 46) to
( ð Section 7.4.2, Page 47) have been observed/carried out.
1. Disconnect the discharge nozzle and suction nozzle from the piping.
2. Depending on the pump/motor size, remove the supports from the pump set.
3. Remove the complete pump set from the piping.
7.4.4.2 Removing the motor
WARNING
Motor tipping over
Risk of crushing hands and feet!
▷ Suspend or support the motor to prevent it from tipping over.
ü
The notes and steps stated in (
ð
Section 7.4.1, Page 46) to
( ð Section 7.4.2, Page 47) and ( ð Section 7.4.4.1, Page 50) have been
observed/carried out.
1. Undo hexagon head bolts 901.3.
2. Undo grub screws 904.
3. Remove the motor.
7.4.4.3 Removing the back pull-out unit
WARNING
Back pull-out unit tilting
Risk of crushing hands and feet!
▷
Suspend or support the bearing bracket at the pump end.
ü The notes and steps stated in ( ð Section 7.4.1, Page 46) to
( ð Section 7.4.2, Page 47) and ( ð Section 7.4.4.1, Page 50) to
( ð Section 7.4.4.2, Page 50) have been observed/carried out.
1. If required, suspend or support the back pull-out unit to prevent it from tipping
over.
2. Undo hexagon head bolt 901.1 between volute casing 102 and drive lantern
341.
3. Remove drive lantern 341.
4. Pull the back pull-out unit out of volute casing 102.
5. Place the back pull-out unit on a clean and level surface.
ð After the back pull-out unit has been removed, casing wear ring 502.1 is
accessible.