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Grundfos NBG Series - Page 11

Grundfos NBG Series
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English (GB)
11
TM03 3909 1212
TM03 3910 1212
5. Press down the threaded pipe to ensure that
the shaft is in bottom position.
6. Remove the threaded pipe.
TM03 3909 1212
TM03 3912 1212
7. Apply Loctite 243 to the threads of the set
screws. Tighten the set screws to the correct
torque. See below.
8. Fit the coupling guard. Tighten the screws to
the correct torque. See below.
M5: 6 ± 2 Nm M5 x 10 mm: 6 ± 2 Nm
M6: 8 ± 2 Nm
M8: 15 ± 3 Nm

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