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Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control User Manual

Page 376

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Component Definition and Maintenance

7000L-UM300I-EN-P – June 2013

7000 “C” Frame

Clamp Head

DO NOT ADJUST calibration nut.

Adjusting Nut used for loosening
and applying load to assembly.

Disc Springs

Figure 6.23 – SCR Removal


12.

While grounded, use a long Phillips screwdriver to remove the
2 screws that hold the SCR SPGD Board to the metal bracket
on the red glastic assembly. Retain the hardware.

13.

Pull the 4 plastic clips that secure the SCR SPGD Board to the
glastic assembly. Retain the hardware.

14.

Install the new SCR SPGD Board in the assembly with the 4
plastic clips and use the screws to secure the board to the metal
bracket.

15.

Connect the Gate-Cathode phoenix connector to the Gate
Driver Board.

16.

Slide the SCR and SCRGD Board back into place until the
mounting bracket makes contact with the chill block. Use the
Phillips screwdriver to tighten the assembly to the chill block.

17.

Readjust the clamping load as described in “Checking
Clamping Pressure”.

18.

Connect the control power cable and the fiber optic cables,
ensuring that the bend radius is not exceeded.