84 Rockwell Automation Publication 20P-TG002B-EN-P - February 2018
Chapter 3 Part Replacement Procedures
11. Remove the three pairs of upper gate leads from the SCR modules.
12. Remove the bolts and washers that secure the DC bus bars to the SCRs
and remove the bus bars.
13. Remove the four bolts and washers and stand-off that secure the power
terminal bus bars to the isolation bar and slide the bus bars up and out of
the drive.