That is old! In the US, there were Frigidaire cabinets that had the vertical compressor like that. I wonder if Frigidaire made that compressor. I'm still waiting to hear back from someone about the number MRA2959 to get a replcmnt number 4 u.
was there also a relay attached to the compressor terminals or was that outside the compressor terminal area? I think that you said that you figured out how to remove the overload by removing the shiny plate that surrounds it. are there any other photos of fridge, like cabinet, information plate, any motor information(FLA, LRA, cal or Kcal or Watts)? We might be able to back into it that way. If there is a relay, are the terminals numbered(1,2,5) or letter ID(L,S,M)?