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Chapter 6 - Exchange of Thyristors for Size A6
VI A
6 - 6
DCS 500 / DCS 600 Service Manual
7. Attach the disassembly tool at the faulty thyristor and prize open
the upper and lower heat sinks.
Figure 6-6
Use of disassembly tool
8. Remove the thyristors with e.g. a pair of pliers.
Attention
: To centre 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 thy-
ristor!
push
down
push
down
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