Before disassembly check if required parts are ready.
Disassemble the pump only so far, as required for the replacement of the repair part.
7.1.8 Removal and Installation of screen in the motor lantern
The guard plates (680) are fixed in the windows of the motor lantern (681).
For removing insert a screwdriver about 4 cm into the last row with punches of the guard plate. Then pull
up the screwdriver until the lower edge of the guard plate lifts off the window. Now you can remove the
screwdriver together with the guard plate from the window see
Figure 8: Motor lantern screen removal on
.
On installation insert the screwdriver about 4 cm into the last row with punches of the guard plate. Then
put the upper part of the guard plate into the upper edge of the window. Now pull up the screw driver until
the guard plate is bent through so much, that it can be inserted into the lower edge of the window of the
motor lantern.
Figure 8: Motor lantern screen removal
NOTICE:
Pull up screw driver only so far as is absolutely necessary to insert the guard plate into the win-
dow. If the guard plate does not stick fast in the window after installation:
Dismantle guard plate once again, flatten it and install again.
7.1.9 Removal of the Back Pull Out Assembly
The back pull out assembly consists of all pump parts except the volute casing (102V). As the pumps are
constructed in block design, the volute casing (102V) can remain on the foundation and in the piping, if it
´s not the volute casing itself, which must be repaired.
1.
Drain volute casing (102V) via drain plug (912.11).
2.
Loosen screws of existing sealing or flushing piping.
3.
Loosen screws of support food (183) from the foundation (not existing on all sizes).
4.
Hang the Back Pull Out Assembly onto a lifting device, so that it won´t sink down or press into the
volute casing during the dismounting.
5.
Loosen hex head bolt (901.11) from the casing.
6.
Using the jack screws provided (901.42), separate the Back Pull Out Assembly from the casing.
7.1 Maintenance
ICB Installation, Operation and Maintenance Instruction
35
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