Siemens SINAMICS GM150 Operating Instructions & Installation Instructions page 198

Maintenance
9.5 Repair
Figure 9-16
Installing the precharging transformer
1. Remove the paint from at least one screw position on the base brackets. This is where the
2. Install the new transformer in the reverse order to when you removed it. Comply with the
3. Check that the precharger is working correctly.
198
Replacing the precharging transformer
transformer will be grounded.
specified torque (Page 187) of the fastening screws. When attaching the connecting cables
ensure that the cables do not twist.
SINAMICS GM150 6SL3810-2LN31-8AA2
Operating Instructions Rev.201910281332 EXAMPLE