Step 1. Take off the wires connected to the socket, before you do, please take a photo of the wire connection, in case you connect them wrongly later.
Step 2. Mount the socket on the bottom of the right side panel (A2) with 2 M3 x 16 Hex Counter- sunk-head screws and M3 hex nut.
Step 3. Thread the wires conencted to the switch through another hole on the bottom of the right side panel (A2) from outside to inside and connect the 3 wires to the socket, do not mix them up.
Step 4. Moun the PSU on the right side panel with 4 M3 x 12mm screws.