KSB Amarex - Fitting the Impeller

7 Servicing/Maintenance
53 of 82
Amarex
2573.820/02-EN
Fig.22: Installation dimension A
Table23: Installation dimension A
Pump size Installation dimension A
[mm]
All sizes 29
7.5.2.2 Fitting the impeller
NOTE
For bearing brackets with tapered fit make sure that the tapered fit of impeller and
shaft is undamaged and installed free from grease.
550.23
914.10
412.16
230
162
904.15
914.16
X
0,3 ± 0,1
Fig.23: Fitting the impeller, example impeller type D-max
Table24: Minimum length of required eyebolt [mm]
Amarex Suction nozzle DN
80 100 150
2 poles 65 90 -
4 poles 100 90 130
1. Slide impeller 230 onto the shaft end and fasten it with impeller screw 914.10.
2. Remove impeller screw 914.10 again.
3. Screw in eyebolt M8
11)
instead of the impeller screw.
ð Verify the minimum length of the eyebolt, see the corresponding table.
ð If a different bolt length is used, insert shim(s) to establish contact with the
impeller.
4. Tighten the eyebolt to a maximum of 30Nm.
11
Not included in KSB's scope of supply