Nord Drivesystems B 1050 Series, Operating And Assembly Instructions Manual, Page: 33 / 112

3 Assembly instructions, storage, preparation, installation
B 1050 en-1819 33
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Installation of motors with standard couplings (Rotex®)
NOTICE!
Gear unit damage
The separate manufacturer’s documentation must be observed for installation
1. Clean the motor shaft and flange surfaces of the motor and adapter and check for damage. Check
the attachment dimensions and tolerance of the motor and the adapter.
2. Push the coupling hub onto the motor shaft so that the parallel key of the motor engages into the
groove in the coupling half on tightening.
3. Pull the coupling halves onto the motor shaft according to the instructions of the motor
manufacturer. The shaft end of the motor must be adjusted so that it is parallel with the face of the
coupling.
Figure 9: Fitting the coupling to the motor shaft
4. Secure the coupling half with the threaded pin. The threaded pin must be coated with a securing
adhesive (e. g. Loctite 242, Loxeal 54-03) and tightened to the correct torque (7.4 "Torque values").
5. Sealing of the flange surfaces of the motor and the adapter is recommended if the motor is
installed outdoors or in a humid environment. Before the motor is installed, the flange surfaces
must be completely coated with surface sealant (e.g. Loctite 574 or Loxeal 58-14) so that the
flange seals after mounting.
6. Mount the motor on the adapter. Do not forget the ring gear
7. Tighten the adapter bolts to the correct torque (7.4 "Torque values").
If a different type of coupling is used, observe the documentation from the manufacturer for the
assembly sequence.
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