7 Servicing/Maintenance
33 of 44
Vitastage
For dismantling and reassembly observe the exploded views and the general
assembly drawing.
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 "
DANGER
Insufficient preparation of work on the pump (set)
Risk of injury!
▷
Properly shut down the pump set.
▷
Close the shut-off elements in the suction line and discharge line.
▷
Drain the pump and release the pump pressure.
▷
Shut off any auxiliary feed lines.
▷
Allow the pump set to cool down to ambient temperature.
NOTE
After a prolonged period of operation the individual components may be hard to
pull off the shaft. If this is the case, use an appropriate pull-off device, if possible.
7.4.2 Preparing the pump set
DANGER
Power supply not disconnected
Danger to life!
▷
Disconnect all electrical connections from the power supply and secure against
unintentional start-up.
1.
De-energise the pump set and secure it against unintentional start-up.
7.4.3 Removing the complete pump set from the piping
1.
Disconnect the discharge nozzle and suction nozzle from the piping.
2.
Depending on the pump size and motor size, unscrew the bolts that fix the
support foot or motor foot to the foundation.
3.
Remove the complete pump set from the piping.
Alternative: Leave pump casing 101 installed in the piping. Undo clamping piece
81-44. Pull the remaining back pull-out unit out towards the back (back pull-out
design).
7.4.4 Dismantling the pump
The dismantling procedure is the same for all sizes. It only differs in the number of
stages to be dismantled.
See general assembly drawing with list of components
and
1.
Undo cap nuts (38) and remove them together with washers (37).
2.
Remove suction cover (7) (for vertically installed pumps: remove foot with
suction cover (7)). Undo and remove grub screws (36).
3.
Remove O-ring (16) and joint ring (30) (suction cover).
4.
Undo and remove impeller nut (14).
5.
Pull first impeller (5) off shaft (50).
Содержание Vitastage
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