7.5.5
Fitting the impeller
Fig. 24: Fitting the impeller
✓
The pump has been positioned horizontally on a wooden support and is
protected against rolling off.
✓
The impeller-end mechanical seal 433.02 has been installed.
1.
Insert and fit two keys 940.02 into the keyway.
2.
Coat all sides of the shaft seat and shaft thread with an assembly paste which
prevents seizure of the chrome steel parts.
3.
Guide impeller 230 onto shaft 210 until it abuts against the shaft collar.
4.
Screw impeller nut 922 onto the shaft thread until impeller nut 922 and shaft
210 are flush.
5.
Align the holes of impeller 230 and impeller nut 922 and fasten them with
hexagon socket head cap screws 914.07.
7 Servicing/Maintenance
48 of 68
Amacan P
