Siemens SINAMICS G120XA Operating Instructions Manual page 848

Corrective maintenance
10.2 Replacing spare parts
3. Remove the power cables (Hexagon 19 mm).
4. Remove the PE connect sheet metal (Hexagon 10 mm).
5. Remove the metal cover (TX-20 and TX-30).
6. Remove the metal cover (TX-30).
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Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
SINAMICS G120XA converter