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ABB DCS880
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63
Exchange thyristors size H8
3ADW000488R0101 DCS880 Service manual e a
6. Attach the disassembly tool (DCF 1066721 P1) at the faulty thyristor and prize open the upper and lower
heat sinks.
7. Remove the thyristors with e.g. a pair of pliers.
Attention:
To center the thyristors spring pins are used. The pins are inlayed into all lower heat sinks. Open
the gap wide enough that the thyristor and the pins are not damaged while removing the
thyristor!

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