ABB NAL Series Mounting And Operation Manual page 18

3. To reduce side shake, turn the operating shaft anticlockwise,
see Fig. 55-56.
4. Before mounting on the A-mechanism shaft, set up distance
to ~4-8 mm, see Fig. 57.
Fig. 55-57 Mounting of NM motor drive on A-mechanism
Fig. 55
Fig. 56
18 NAL/NALF – Mounting and operation manual
Fig. 57
Fig. 7