KSB Etanorm, Installation & Operating Manual

Page: 43 / 66

For any work on the motor, observe the instructions of the relevant motor
manufacturer.
For dismantling and reassembly observe the exploded view and the general assembly
drawing. (
⇨
Section 9.1 Page 57)
NOTE
All maintenance, service and installation work can be carried out by KSB Service. Find
your contact in the attached "Addresses" booklet or on the Internet at www.ksb.com/
contact ".
DANGER
Insufficient preparation of work on the pump (set)
Risk of personal injury!
▷
Properly shut down the pump set. (
⇨
Section 6.1.7 Page 33)
▷
Close the shut-off elements in the suction and discharge line.
▷
Drain the pump and release the pump pressure. (
⇨
Section 7.3 Page 42)
▷
Close any auxiliary connections.
▷
Allow the pump set to cool down to ambient temperature.
NOTE
After a prolonged period of operation the individual parts may be hard to pull off the
shaft. If this is the case, use a brand name penetrating agent and/or - if possible - an
appropriate pull-off device.
7.4.2 Preparing the pump set
1. Disconnect the power supply (e.g. at the motor).
2. Disconnect and remove all auxiliary pipework.
3. Remove the coupling guard.
4. Remove the coupling spacer, if any.
5. Drain the oil fill of oil-lubricated bearings. (
⇨
Section 7.2.3.1.4 Page 40)
7.4.3 Dismantling the motor
NOTE
For pump sets with spacer-type couplings, the back pull-out unit can be removed while
the motor remains bolted to the baseplate.
1. Disconnect the motor from the power supply.
2. Unbolt the motor from the baseplate.
3. Shift the motor to separate it from the pump.
WARNING
Motor tipping over
Risk of squashing hands and feet!
▷
Suspend or support the motor to prevent it from tipping over.
7.4.4 Removing the back pull-out unit
✓
The notes and steps stated in (
⇨
Section 7.4.1 Page 42) to (
⇨
Section 7.4.3 Page
43) have been observed/carried out.
✓
For pump sets without spacer-type coupling, the motor has been removed.
7 Servicing/Maintenance
Etanorm 43 of 66