KSB EtaLine Pro, Installation And Operating Manual

Page: 63 / 76

8 Servicing/Maintenance
63 of 76
EtaLine Pro
1168.87/01-EN
For dismantling and reassembly observe the exploded views and the general
assembly drawing.
In case of damage you can always contact our service staff.
Prior to dismantling, label the respective assignment of fastening elements as well as
the arrangement of internal connections for future reassembly.
Drive ▪ Replace any corroded bolts/screws.
▪
Never damage the insulation of live parts.
▪
Document position of any rating and additional plates or labels to be removed.
▪ Avoid damaging the centring spigots.
Protect rolling element bearings against the ingress of contamination and moisture.
NOTE
All maintenance work, service work and installation work can be carried out by KSB
Service or authorised workshops.
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.
8.4.2 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.
8.4.3 Dismantling the complete pump set
NOTE
The pump casing can remain installed in the piping for further dismantling.
ü The notes and steps stated in ( ð Section 8.4.1, Page 62) to
(
ð
Section 8.4.2, Page 63) have been observed/carried out.
1. Disconnect the discharge nozzle and suction nozzle 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.
8.4.4 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 the sections ( ð Section 8.4.1, Page 62) to
( ð Section 8.4.3, Page 63) have been observed/carried out.
1. If required, suspend or support the back pull-out unit to prevent it from tipping
over.
2. Loosen hexagon socket head cap screws 914 at the bearing bracket lantern.
3. Pull the back pull-out unit out of the volute casing.