Xylem Flygt 2860.180, Installation, Operation And Maintenance Manual

Page: 39 / 56

12. Assemble the lower conical sleeve and the lower impeller onto the shaft end of the
upper impeller.
13. Mount the suction cover with its O-ring and tighten.
Tightening torque: 44 Nm (32.5 ft-lbs)
4x
WS001343A
14. Turn the lower adjustment screw clockwise until the lower impeller makes contact with
the suction cover. Tighten a further 1/6 turn, 60°.
This will ensure the correct clearance between the lower impeller and the suction
cover in the next step.
Use a 10 mm hexagon bit adapter (Allen socket) with a 100 mm (4 in.) extension.
Maintenance
Flygt 2860.180 Installation, Operation, and Maintenance Manual 37