Table of Contents
Advertisement
Available languages
Available languages
40 of 58
7 Servicing/Maintenance
7.4.4
Removing the motor
WARNING
Motor tipping over
Risk of crushing hands and feet!
▷ Suspend or support the motor to prevent it from tipping over.
✓
The notes and steps stated in (⇨ Section 7.4.1 Page 38) to (⇨ Section 7.4.3 Page
39) have been observed/carried out.
1.
Depending on the pump/motor size, unscrew the bolts that fix the motor foot
to the foundation.
2.
Undo bolts of cover plates 68-3.01/.02.
3.
Remove cover plates 68-3.01/.02 from drive lantern 341.
4.
Undo hexagon head bolts 901.5.
5.
Insert both lock washers 931.95 into the groove in shaft 210.
6.
Tighten hexagon head bolts 901.5.
7.
Undo hexagon nuts 920.11.
8.
Remove the motor.
7.4.5
Removing the back pull-out unit
WARNING
Back pull-out unit tipping over
Risk of squashing hands and feet!
▷ Suspend or support the back pull-out unit at the pump end.
✓
The notes and steps stated in (⇨ Section 7.4.1 Page 38) to (⇨ Section 7.4.4 Page
40) 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 nut 920.1 at the volute casing.
3.
Use forcing screws 901.30 to remove the back pull-out unit from its seat in the
volute casing. Pull the back pull-out unit completely out of volute casing 102.
4.
Remove and dispose of gasket 400.10.
5.
Place the back pull-out unit on a clean and level surface.
7.4.6
Removing the impeller
✓
The notes and steps stated in (⇨ Section 7.4.1 Page 38) to (⇨ Section 7.4.5 Page
40) have been observed/carried out.
✓
The back pull-out unit is kept in a clean and level assembly area.
1.
Undo impeller nut 920.95 (right-hand thread).
2.
Remove impeller 230 with an impeller removal tool.
3.
Place impeller 230 on a clean and level surface.
4.
Remove key 940.01 from shaft 210.
7.4.7
Removing the mechanical seal
✓
The notes and steps stated in (⇨ Section 7.4.1 Page 38) to (⇨ Section 7.4.6 Page
40) have been observed/carried out.
✓
The back pull-out unit is kept in a clean and level assembly area.
1.
Remove shaft sleeve 523 with the rotating assembly of the mechanical seal
(primary ring) from shaft 210.
Normblock
Advertisement
Chapters
Table of Contents
