1. Disengage the MSA mechanism.
Advance the feed by either pressing the ‘INCH FWD’ button or turning the handle in a clockwise direction, until both timing marks are visible through the cut-outs in the rear plate. see below)
Loosen the retaining nut as shown in step 1 below.
Rotate the plate until the gears are disengaged, as shown in step 2 below.
Retighten the retaining nut.