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