4. Remove the fixing screws ④ at the front and rear on the base brackets.
5. Remove the transformer.
Figure 9-14 Replacing the precharging transformer
Installing the precharging transformer
1. Remove the paint from at least one screw position on the base brackets. This is where the
transformer will be grounded.
2. Install the new transformer in the reverse order to when you removed it.
3. Check that the precharger is working correctly.
Maintenance
9.7 Repairs
SINAMICS GM150 6SL3815-2LN41-4AA2
220 Operating Instructions 04/2017
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