
7 Servicing/Maintenance
49 of 92
ILN / ILNC / ILNR
5211.8/08-EN
7.4.3.6 Removing the mechanical seal
Single-suction version
ü
The notes and steps stated in (
Section 7.4.3.5, Page 48) 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. If applicable, remove spring plate 484.
2. Undo the rotating assembly of the mechanical seal (primary ring with spring)
and pull it off shaft 210.
3.
Sizes in accordance with general assembly drawing 1:
Remove bearing cover
360.
Sizes in accordance with general assembly drawing 2:
Remove hexagon head
bolt 901.4 and bearing housing 350.
General assembly drawings per pump size (
4. Remove shaft 210 with bearings.
5. Pull out the stationary assembly of the mechanical seal. Do not touch the seal
face during this process.
Double-suction version
ü
The notes and steps stated in (
Section 7.4.3.5, Page 48) 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. Undo bearing cover 360.1. Pull the bearing cover off the shaft.
2. Undo circlip 932.1. Carefully pull out casing cover 161.2.
3. Pull out the stationary assembly and the rotating assembly of the mechanical
seal. Do not touch the seal face during this process.
7.4.3.7 Dismantling the bearing assembly
Single-suction version
ü
The notes and steps stated in (
Section 7.4.3.6, Page 49) have been observed/carried out.
ü
The bearing bracket has been placed in a clean and level assembly area.
1. Remove thrower 507.
2. Remove circlip 932.1.
3. Remove the pump shaft with bearings by tapping it gently with a plastic mallet.
Double-suction version
NOTE
Radial ball bearing 321 has already been removed together with the mechanical
seal. (
ü
The notes and steps stated in (
Section 7.4.3.6, Page 49) have been observed/carried out.
ü
The bearing bracket has been placed in a clean and level assembly area.
1. Undo hexagon socket head cap screws 914.2. Remove bearing cover 360.2.
2. Remove bearing bushes 545.1/2.
Содержание ILN
Страница 1: ...In line Pump ILN ILNC ILNR Operating Manual ...
Страница 89: ...Index 89 of 92 ILN ILNC ILNR 5211 8 08 EN W Warnings 8 Warranty claims 7 ...
Страница 90: ......
Страница 91: ......