Rockwell Automation GV3000/SE V.6 Regulator Board 0-56921-6xx, 413338-6BU, 0-56940-6xx, 814.61.00 - Manual (Page 44)

Installing Regulator Board P/N 0-56921-6xx in 15 to 25 HP and 25 to 60 HP @460 VAC Drives 6-5
Step 4. Remove the Regulator Board from the Keypad Bracket
Step 4.1. Drives with option boards only: Remove the option board from the keypad
bracket. The option board is held in place by four fasteners.
The option board fasteners might include plastic rivets. To remove a plastic
rivet, pull the post from the rivet body. Remove the body of the rivet. Use a
small pair of wire cutters or a similar tool to pry these pieces loose. Do not
cut the rivets.
Step 4.2. Drives with option boards only: Remove the Regulator board ribbon
connector from the option board. The connector is held in place by retaining
clips. Spread these clips to release the connector.
Step 4.3. Remove the old Regulator board from the keypad bracket. The board is
fastened with two metal screws with lock washers and two plastic rivets.
To remove a plastic rivet, pull the post from the rivet body. Remove the body
of the rivet. Use a small pair of wire cutters or a similar tool to pry these
pieces loose. Do not cut the rivets.
Step 4.4. Slide the old Regulator board out of the keypad bracket.
Step 4.5. Note the settings of jumpers J4 and J17 on the old Regulator board. These
jumpers are located above the center of the terminal strip as shown in
figure 6.6.
Figure 6.5 – Disconnecting the Keypad Ribbon Cable from the Regulator Board