Grundfos NB Installation And Operating Instructions Manual page 16

7. Apply Loctite 243 to the threads of the set screws.
Tighten the set screws to the correct torque.
• M5: 6 ± 2 Nm
• M6: 8 ± 2 Nm
• M8: 15 ± 3 Nm
8. Fit the coupling guard. Tighten the screws to the
correct torque.
• M5 x 10 mm: 6 ± 2 Nm
4.1.2 Mounting of motor on pump housing with
feet
The pumps are supplied with a transport bracket
protecting the shaft seal during transport. When you
mount the motor, follow the instructions and drawings
as below.
16
1. Remove the coupling guard and loosen the set
screws in the shaft.
2. Place the pump at the end of the motor and push
the parts together.