NOTICE:
Surplus grease can cause the impeller to become loose. Remove surplus grease from
conical and/or cylindrical surfaces of shafts and/or sleeves.
2. Prepare the impeller:
– For the standard variant, insert the sleeve into the impeller.
– For the abrasive resistant variant, insert the spacer and the sleeve into the impeller.
Standard variant Abrasive resistant variant
3. Mount the impeller:
a) Lubricate the threads of the impeller screw.
Always use a new screw.
b) Fit the impeller to the shaft.
c) Fit the impeller screw to the shaft.
d) Tighten the impeller screw.
Prevent the impeller from rotating.
For tightening torque, see
Torque values
on page 39.
4. Cover the impeller:
– For the standard variant, install the suction cover and tighten the screws.
– For the abrasive resistant variant, install the pump housing. Tighten the screws.
6.7 Replace the F-impeller
1. Nuts
2. Suction cover
3. Seal sleeves
4. Studs
5. Impeller screw
6. Impeller
7. Sleeve
6 Maintenance
46 Flygt 3069 Installation, Operation, and Maintenance Manual
EN