ABB Chapter 8 - Changing Diodes and IGCTs in 7/9 MVA Phase Modules
ACS 6000 Maintenance Manual 3BHS202077 ZAB E01 Rev. C 8-9 (18)
Lower Clamp Diode
After the steps of section
8.4.1 Preparatory Steps
have been carried out
do the following:
6 Remove the fastening bolts of the lower perforated busbar and turn it
to the side to make room for the spreader tool.
Figure 8-11 Perforated Busbar Turned Aside
7 Insert the spreader tool into the openings of the cooler.
Figure 8-12 Spreader Tool Inserted
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