Chapter 10 - Changing Semiconductors in VLU ABB
10-4 (6) 3BHS202077 ZAB E01 Rev. C ACS 6000 Maintenance Manual
3 Pull down the retaining rods until the faulty IGCT is free.
Figure 10-5
4 Remove the isolator disk and the diode above the IGCT.
5 Pull out the faulty IGCT.
6 In case the new IGCT is not fitted with retaining clamps and guides
(see
Figure 10-6
) remove these parts from the faulty IGCT and mount
them on the new IGCT.
Figure 10-6 IGCT
7 Continue with section
10.3.5 Finishing Steps
, step
1
.
Retaining clamps
Guides
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