d) Fit the lock nuts onto the studs.
e) Tighten the nuts.
Tightening torque: 17 Nm (13 ft-lb)
7. Adjust the suction cover:
a) Measure the distance between the impeller and the suction cover.
The correct distance should be 0.5-1 mm (0.02-0.04 in). Add or remove the
appropriate number of adjusting washers in order to achieve the correct distance.
b) Tighten the nuts.
Tightening torque: 17 Nm (13 ft-lb).
8. Raise the pump to a vertical position.
Check that the impeller can rotate freely.
6 Maintenance
56 Flygt 3102 Installation, Operation, and Maintenance Manual