5. Allow the IGCT phase module to slide down the roller tracks by unscrewing the connections
on the lugs.
Figure 9-19 Changing device: joining the roller tracks
6. Pull the IGCT phase module onto the stacker. Secure the module with the two stop brackets
⑪.
Figure 9-20 Changing device: stop brackets
7. Remove the screwed connections for the roller tracks, which are now joined together.
8. Place the defective phase module down in a suitable place (e.g. on the wooden beams you
used for placing the changing device on the stacker).
Maintenance
9.7 Repairs
SINAMICS SM150 6SL3845-7NN46-7AA0
178 Operating Instructions 04/2017
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