6. Assemble the impeller with the conical sleeve onto the shaft.
Make sure that the conical sleeve bottoms in the impeller.
7. Mount the suction cover with its O-ring and tighten.
Tightening torque: 44 Nm (32.5 ft-lbs)
WS006955A
8. Turn the adjustment screw clockwise until the impeller makes contact with the suction
cover.Tighten a further 1/8 turn, 45°.
This will ensure the correct clearance between the impeller and the suction cover in
the next step.
Use an 8 mm hexagon bit adapter (Allen socket).
WS006956A
9. Fasten the impeller:
a) Place the washer on the impeller screw.
b) Lock the impeller to prevent rotation.
Use pliers, a screwdriver, or similar.
c) Tighten the impeller screw.
Tightening torque: 22 Nm (16.2 ft-lbs)
d) Tighten a further 1/8 turn, 45°.
Maintenance
30
Flygt 2840.180 Installation, Operation, and Maintenance Manual
