ABB DCT880 - Component Removal for Thyristor Exchange (T1-T4); Remove voltage measurement and fans; Remove snubber resistor and gate leads

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− Voltage measurement (X51, X52, X53
and X55, X56, X57).
− Cooling fans (X41 … X44) if existing.
− Snubber resistor (X30, X31).
− Gate leads (X15, X17).
Exchange thyristors sizes T1 … T4
3ADW000449R0101 DCT880 Service Manual e a