7 Servicing/Maintenance
51 of 72
HPK
WARNING
Improper lifting/moving of heavy assemblies or components
Personal injury and damage to property!
▷
Use suitable transport devices, lifting equipment and lifting tackle to move
heavy assemblies or components.
Observe the general safety instructions and information.
(
ð
Section 7, Page 45)
For any work on the motor, observe the instructions of the relevant motor
manufacturer.
For dismantling and reassembly refer to the general assembly drawing.
(
ð
Section 9.1, Page 65)
In the event of damage you can always contact our service staff.
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷
Properly shut down the pump set.
(
ð
Section 6.3.13, Page 43)
▷
Close the shut-off elements in suction and discharge line.
▷
Drain the pump and release the pump pressure.
(
ð
Section 7.3, Page 50)
▷
Close 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 coupling guard.
4.
Remove the coupling spacer, if any.
5.
Drain the oil.
(
ð
Section 7.2.3.1.4, Page 49)
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 tilting
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
Pumps without spacer-type coupling: the motor has been removed.
Summary of Contents for HPK
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