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Grundfos NBG Series - Page 13

Grundfos NBG Series
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English (GB)
13
TM03 3916 1206
TM03 3917 1206
5. Press down the threaded pipe to ensure that
the shaft is in bottom position.
6. Remove the threaded pipe.
TM03 3918 1206
TM03 3919 1206
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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