7.4.2 Disconnecting the electrical connections
Pump version with terminal box
✓
1. Remove the terminal box cover.
2. Disconnect the cables (power and/or control cables) at the main and auxiliary
terminals.
3. Unscrew the cable gland at the terminal box and pull out the cables.
Version with fixed cable
✓
1. Disconnect the cable from the site power supply.
7.4.3 Removing the pump from the system and dismantling the pump casing
✓
The notes and steps stated in (
40) have been observed/carried out.
2. Close connections 6B.4/11E and 6B.
3. Undo the flanged connections.
4. Undo the bolts at the pump foot, if any.
5. Remove the pump from the piping and place it on a clean and level surface.
WARNING
Pump tipping over or overturning
Risk of injury/crushing!
▷
Protect the pump against tipping over; use suitable lifting tackle or other
equipment.
6. Position the pump as follows:
Position the motor section vertically (with the impeller on top) on a suitable
holder.
If this is not possible: Place the pump set in horizontal position so that it sits on
the motor without the pump casing resting on the support surface. Secure the
pump set against tipping over.
WARNING
Possible fluid residues
Hazardous to persons and the environment!
▷
Wear protective clothing.
7. Undo nuts 920.01.
8. Remove the pump casing.
7.4.4 Removing the impeller
✓
The notes and steps stated in (
40) have been observed/carried out.
1. Undo impeller nut 920.95 and disc 550.87.
To undo impeller nut 920.95 hold the impeller with a belt wrench at the impeller
eye or, if required, at the outer impeller diameter.
2. Pull off the impeller with a suitable impeller removal device.
7 Servicing/Maintenance
40 of 60
Etaseco/Etaseco I
Содержание Etaseco C
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