ETS-Lindgren SMART 1000 Mini-Reverb Cell - Manual (Page 20)

20 | Tuners
3. Verify that the idler mounting plate can be mounted at the opposite end
without obstruction, and that the motor(s) can be mounted in horizontal
or vertical orientation without obstruction, and with suitable fixing.
4. Cut the holes in the panel as required for the shaft and the
four mounting screws.