Use pliers, a screwdriver, or similar.
b) Remove the impeller screw and the washer.
WS001332A
3. 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) Remove the suction cover.
d) Remove the O-ring.
e) Pull off the impeller.
WS001335B
6.4.5 Install the impeller, alternative 1
Table 7: Applicability
Product code
Pressure class
Open or closed impeller
2201.020
LT
Open
2201.320
MT, HT
Open
2201.590
MT, HT
Open
2201.690
MT, HT
Open
6 Maintenance
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Flygt 2190, 2201 Installation, Operation, and Maintenance Manual
