To remove the cable chain, you must cut a few more cable ties and remove some screws.

Be careful not to cut into any wires or sleeving!

Cut any cable ties securing wires to the cable chain.

Remove the M3 socket head screw with a M2.5 hex wrench.

Loosen the M3 socket head screw to align the T Nut with a M2.5 hex wrench.

Remove the M3 socket head screw and T Nut and set aside. They will be installed on the new chain soon.