Xylem Flygt 2840.180 Installation, Operation And Maintenance Manual page 33

10. Mount the strainer and the nuts.
Flygt 2840.180 Installation, Operation, and Maintenance Manual
The screw will be loaded to its yield point and the load capacity of the joint will be
higher.
e) Check that the impeller can rotate easily.
Tightening torque: 22 Nm (16.2 ft-lbs)
Maintenance
31