7 Servicing/Maintenance
75 of 132
Amacan P
7.6.5 Fitting the impeller
914.07
922
940.02
210
230
Fig. 46:
Fitting the impeller
ü
The pump has been placed on a wooden support in a horizontal position and is
protected against rolling off.
ü
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 aligned.
5. Align the holes of impeller 230 and impeller nut 922 and fasten them with
socket head cap screws 914.07.