5. Remove the impeller:
a) Lock the impeller to prevent rotation.
Use pliers, a screwdriver, or similar.
b) Turn the adjustment screw counterclockwise until the impeller breaks free from
the shaft.
Use a 12 mm hexagon bit adapter (Allen socket) with a 100 mm (4 in) extension.
c) Pull off the impeller.
6.4.3 Remove the impeller, alternative 3
CAUTION: Cutting Hazard
Worn parts can have sharp edges. Wear protective clothing.
Table 5: Applicability
Product code Pressure class Open or closed impeller
2201.012 SH Closed
1. Remove the strainer.
6 Maintenance
36 Flygt 2190, 2201 Installation, Operation, and Maintenance Manual