ABB NALF Series - Application highlights

5. Take out the Seeger ring, spring and nut, see Fig. 14.
6. Slide out the arrestor ring from the shaft, see Fig. 15.
7. The shaft should loosely rotate loosely after taking out the
arrestor ring, see Fig. 16.
8. Put the operating handle on the splined end. Turn the handle
anticlockwise to charge A mechanism opening spring (apply to
A mechanism), see Fig. 17.
NAL/NALF – Mounting and operation manual 7
Fig. 12
Fig. 14
Fig. 16
Fig. 13
Fig. 15
Fig. 17
Fig. 12-17 Mounting of hand operating mechanism HE