Chapter 9 - Changing Thyristors in EXU
ABB
9-4 (8)
3BHS202077 ZAB E01 Rev. C
ACS 6000 Maintenance Manual
4
Place the deflection gauge in the middle of the clamp (see
Figure 9-5) and reset the dial to zero.
Figure 9-5 Placing the Deflection Gauge
5
Tighten both bolts alternately, first turning them half a turn each, then
less, until the desired compression force is reached (see
Figure 9-9 for the correct value).
6
Connect the gate wires to the pulse transformer.
7
Fasten the gate wires with a cable tie.
8
If a defective part has to be returned to ABB, particularly if it is still
under warranty, follow the procedures as stated in the Warranty
Directive (this is recommended even if the warranty period has
expired).
