http://www.sausagemaking.org/acatalog/Full_metal_Food_slicer_MA_2465__.html
Franco kindly supplied with one of the slicers above about 6 months ago and it's been used one a week ever since. Today it started to stall on me, so much so that I sliced 3 Kg of bacon by hand.
Anyway I've no had a chance to take it to pieces and find the problem. It seems that is you remove the cutting blade (remember it's and anticlockwise thread) and then remove the four screws holding the white plastic shield you'll see the guts of the machine. You should see two large screws holding the motor assembly to the casing. Loosen these two off slight and pull the motor up towards the blade mounting point then tighten the screws back down. This will fix the stalling. You may need to remove the large cog, if you do be careful not to lose the flat bearing or damage it.
Hope this helps someone.