4. Tighten the impeller screw.
If applicable, use the rod.
Tightening torque: 34 Nm (25 ft-lbs)
Check that the impeller can rotate freely.
5. Mount the pump housing:
a) Fit the pump housing.
b) Fit and tighten the lubricated screws.
Tightening torque: 57 Nm (42 ft-lb).
6.4.4 Replacing the Adaptive N-impeller
To see which pumps are Adaptive-N, see Product Description (page 10).
6 Maintenance
Flygt 3085 Installation, Operation, and Maintenance Manual 57