Siemens SINAMICS GL150

3. Disconnect the cables ③ on the underside of the transformer to be removed.
4. Remove the transformer retaining screws ④ .
Figure 9-6 Removal of cables and screws
Removing the current transformer
To remove the current transformer, proceed as follows:
1. Dismount the post insulator ⑤ . Take out the screws next to the post insulator ⑥ (Fig. A).
2. Release screw ⑧. Then remove the two screws ⑦ (Figure B).
3. Take out the screws ⑨ next to the post insulator ⑥ (Fig. C). The post insulator ⑥ need not
be removed.
4. Swing the busbar (on left-hand side when viewed from rear) upward and withdrawal the
transformer to the left.
Maintenance
9.7 Repairs
SINAMICS GL150 6SL38555UN113KA0Z
138 Operating Instructions Rev.201910281450 EXAMPLE