8. Turn the adjustment screw clockwise until the impeller makes contact with the suction
cover.
This will ensure the correct clearance between the impeller and the suction cover in
the next step.
Use a 12 mm hexagon bit adapter (Allen socket) with a 100 mm (4 in) extension.
9. Remove the suction cover.
6 Maintenance
Flygt 2190, 2201 Installation, Operation, and Maintenance Manual 47
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