KSB ILN, Operating Manual

Page: 53 / 92

7 Servicing/Maintenance
53 of 92
ILN / ILNC / ILNR
5211.8/08-EN
7.4.5.6 Removing the mechanical seal
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 7.4.5.1, Page 51) to
(
ð
Section 7.4.5.5, Page 52) have been observed/carried out.
ü The back pull-out unit has been placed in a clean and level assembly area.
ü The impeller has been removed.
1. Pull mechanical seal 433 off shaft 210.
7.4.5.7 Dismantling the bearing assembly
Version ILNR
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 7.4.5.1, Page 51) to
( ð Section 7.4.5.6, Page 53) have been observed/carried out.
ü The bearing bracket has been placed in a clean and level assembly area.
1. Undo nut 920.3.
2. Pull casing cover 161 off shaft 210. If it is difficult to remove, use hexagon head
bolt 901.4.
3. Remove joint ring 411.2.
4. Undo hexagon head bolt 901.2.
5. Remove bearing cover 360.
6. Remove the pump shaft with bearings by tapping it gently with a plastic mallet.
Version ILNR, reinforced sizes
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 7.4.5.1, Page 51) to
( ð Section 7.4.5.6, Page 53) have been observed/carried out.
ü
The bearing bracket has been placed in a clean and level assembly area.
1. Undo nut 920.3.
2. Pull casing cover 161 off shaft 210. If it is difficult to remove, use hexagon head
bolt 901.4.
3. Remove thrower 507.
4. Undo hexagon socket head cap screw 914.
5. Remove bearing cover 360.
6. Remove circlip 932.1.
7. Remove the pump shaft with bearings by tapping it gently with a plastic mallet.
7.5 Reassembling the pump set
7.5.1 General information/Safety regulations
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷ Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.