This subject of grears or oil turn up now and than. For the 201s, I think the early ones called for oil on all sets of meshing gears, actually every where except for the 201-2 and only calles for grease on the gears behind the hand wheel near the potted motor. If you look at a late 50s manual it might say something different than an earlier 1930s manual for the same model. For these gears there's no absolute need to use grease; oil often reduce friction better in coparison tests. The advantage with grease is it lasts longer and it has it's advantages. There are a few more current tests on oils with or with out teflon, syntetic derivatives etc, verus grease and the liquid oils compared well. That said, the right grease will work well. I have tested my 201 with greased gears versus teflon oil, and it turned noticeably lighter as the oil was added to the tree sets of meshing gears.
Last edited by Mickey2; 06-17-2017 at 05:12 AM.