KSB HPK Series User Manual

7 Servicing/Maintenance
57 of 80
HPK
1121.8/06-EN
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷ Properly shut down the pump set. (ðSection6.1.13,Page45)
▷ Close the shut-off elements in the suction line and discharge line.
▷ Drain the pump and release the pump pressure. (ðSection7.3,Page56)
▷ Shut off any auxiliary connections.
▷ Allow the pump set to cool down to ambient temperature.
7.4.2 Preparing the pump set
1. De-energise the pump set and secure it against unintentional start-up.
2. Disconnect and remove all auxiliary pipework.
3. Remove the air-cooled heat exchanger if fitted.
4. Remove the coupling guard.
5. Remove the coupling spacer if fitted.
6. Drain the oil. (ðSection7.2.3.1.4,Page55)
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56) to
(ðSection7.4.3,Page57) 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 tilting.
2. Unbolt support foot 183 from the baseplate.
3. Undo hexagon nut 920.01 at the volute casing.
4. Pull the back pull-out unit out of the volute casing.
5. Remove and dispose of joint ring 411.10.
6. Place the back pull-out unit on a clean and level surface.

KSB HPK Series Specifications

General

Brand	KSB
Model	HPK Series
Category	Water Pump
Language	English