7 Servicing/Maintenance
37 of 52
Etaline-R
7.4.2 Preparing the pump set
1.
De-energise the pump set and secure it against unintentional start-up.
2.
Reduce pressure in the piping by opening a consumer installation.
3.
Disconnect and remove all auxiliary pipework.
7.4.3 Dismantling the complete pump set
NOTE
The pump casing can remain installed in the piping for further dismantling.
ü
The notes and steps stated
(
ð
Section 7.4.1, Page 36)
into
(
ð
Section 7.4.2, Page 37)
have been observed/carried out.
1.
Disconnect the discharge and suction nozzles from the piping.
2.
Depending on the pump/motor size, remove the supports from the pump set.
3.
Remove the complete pump set from the piping.
7.4.4 Removing the motor
WARNING
Motor tilting
Risk of crushing hands and feet!
▷
Suspend or support the motor to prevent it from tilting.
ü
The notes and steps stated in
(
ð
Section 7.4.1, Page 36)
to
(
ð
Section 7.4.3, Page 37)
have been observed/carried out.
1.
Undo hexagon nuts 920.11.
2.
Undo hexagon head bolts 901.18.
3.
Remove the motor.
7.4.5 Removing the back pull-out unit
WARNING
Back pull-out unit tilting
Risk of squashing hands and feet!
▷
Suspend or support the back pull-out unit at the pump end.
ü
The notes and steps stated in
(
ð
Section 7.4.1, Page 36)
to
(
ð
Section 7.4.4, Page 37)
have been observed/carried out.
1.
If required, suspend or support the back pull-out unit to prevent it from tipping
over.
2.
Undo hexagon nut 920.1 at the volute casing.
3.
Use forcing screws 901.31 to press the
back pull-out unit
out of volute casing.
4.
Remove and dispose of gasket 400.19.
5.
Place the back pull-out unit on a clean and level surface.
