Allen-Bradley 1779-KFMR User Manual page 65

Figure 5.4
Locking/Ejecting Levers on Connectors
11. Push the levers apart with your thumbs to eject the cable from the
connector on the board.
12. Remove all three ribbon cables.
13. Remove five screws to remove the power-supply board.
14. Remove five screws to remove the host board.
15. Remove power-supply and host-board screws to remove the MAC
board.
Chapter 5
Operation and Troubleshooting
Levers
5 9