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7 Servicing/Maintenance
For dismantling and reassembly observe the exploded views and the general
assembly drawing. (ð Section 9.1, Page 53)
In the event of damage you can always contact our service departments.
NOTE
All maintenance work, service work and installation work can be carried out by KSB
Service or authorised workshops. For contact details please refer to the enclosed
"Addresses" booklet or visit "www.ksb.com/contact" on the Internet.
NOTE
After a prolonged period of operation the individual components 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 puller.
7.4.2 Preparing the pump set
1. Interrupt the power supply and secure the pump against unintentional start-up.
2. Disconnect and remove all auxiliary pipework.
3. Remove the coupling guard.
4. Remove the coupling spacer, if any.
7.4.3 Removing the motor
NOTE
On pump sets with spacer-type couplings, the back pull-out unit can be removed
while the motor remains bolted to the baseplate.
WARNING
Motor tipping over
Risk of crushing hands and feet!
▷ Suspend or support the motor to prevent it from tipping over.
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.
7.4.4 Removing the back pull-out unit
ü The notes and steps stated in (ð Section 7.4.1, Page 37) to
(ð Section 7.4.3, Page 38) have been observed/carried out.
ü On pump sets without spacer-type coupling, the motor has been removed.
WARNING
Back pull-out unit tilting
Risk of crushing hands and feet!
▷ Suspend or support the bearing bracket at the pump end.
1. If required, suspend or support bearing bracket 330 to prevent it from tipping
over.
2. Unbolt support foot 183 from the baseplate.
3. Undo nut 920.01 at the volute casing.
Etanorm FXV
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