If you reverse the push button numbers you've given it's the same as the Trader sheet, if the contacts are ok it might be worth checking the coil.
As an extra note, Bush modified button number 2 (Bush numbering) for LW preset (shown at the end of the Bush manual) Then later it was moved to button number 1 (Bush numbering) which is button number 5 in the Trader sheet:
https://www.vintage-radio.net/forum/...6&d=1518265749
Lawrence.