Pull off the fader handles for the fader that you wish to replace.

Undo the four front panel screws with a 3mm allen key (plus the two thumb screws in the armrest on the Hog 4 console) , and carefully lift off the front panel from the edge closest to you.

Gently unplug the fader's cable lead from the main board.

Unscrew the fader's two front panel screws from the top side of the front panel using a 2mm allen key and remove the fader.

Fit the new fader in place ensuring that it sits completely flat against the PCB.

Connect the new fader's cable led to the main board.

To re-assemble follow disassembly steps in reverse order.

Remove each of the 10 fader handles from the front panel of the console.

Loosen the setscrews inside each of the four encoder wheels using a 5/64” allen key and gently remove each of the four encoder wheels.

Remove the four front panel screws with a 3mm allen key (if on a Nano Hog 4 4, also remove the additional two screws on the back of the front panel), and carefully lift off the front panel from the edge closest to you.

Remove the 16 hex-head crosshead screws from the backside of the front panel (if on a Nano Hog 4, 15 hex-head crosshead screws) using either a P2 crosshead screwdriver or a (6.5 mm) nut driver.

Remove the 4 small crosshead screws with a P1 crosshead screwdriver.

Identity which fader you wish to remove and gently unplug it's cable lead from the main board.

Press the black plastic clips on the fader from the backside of the main board.

Remove desired fader.

Replace fader and re-assemble the console by following the disassembly steps in reverse order.