ABB ACS 6000 - Page 34

Chapter 6 - Changing Clamp Diodes in 3/5 MVA Phase Modules ABB
6-2 (4) 3BHS202077 ZAB E01 Rev. C ACS 6000 Maintenance Manual
Figure 6-2 Phase Module Placed on two Wooden Beams
4 Slide the clamp pressure loading gauge under the clamp ring of the
pressure adjusting bolt and loosen the bolt to release the clamp
pressure of the stack (see
Figure 6-3 ).
Figure 6-3 Releasing the Clamp Pressure
5 Remove the isolator disc at the top of the stack.
Figure 6-4 Removing Isolator Disk
Clamp pressure loading gauge
Clamp ring