ABB DCT880 - Electronic Tray Removal (T1-T4); Disconnect I;O plugs and remove tray screws

22
3. Disconnect all I/O plugs from the SDCS-
CON-H.
4. Remove the grounding / holding screws at
the electronic tray.
Exchange thyristors sizes T1 … T4
3ADW000449R0101 DCT880 Service Manual e a