c) Fit the suction cover to the studs.
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.
6 Maintenance
Flygt 3085 Installation, Operation, and Maintenance Manual 53
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