9a quick change gearbox differences

jbjaholl · Mar 29, 2014

I'm a new 9a owner. This is an awesome place to learn!! My question(s): I have noticed that the QC gearbox on my lathe has only one gits oiler on top of the box....while photos of others have two. Is this just one of those subtle changes the manufacturer makes to models over time? Or are there some major design differences under the hood that necessitates the two vs one oiler? Finally.....which model came before the other?

Thanks in advance!

stephen thomas · Mar 29, 2014

That's hilarious, never noticed before!

FWIW my 10K has 2, was made ~1963.

smt

kitno455 · Mar 29, 2014

I think the second oiler was added in 1952. It is one long gallery across the box, so its not strictly needed, but if the gallery was not perfectly horizontal, or the lathe is not level, the oil would tend to pool on the left side. The second oiler attempts to fix that. I'd probably add one if I was doing a rebuild.

allan

jbjaholl · Mar 29, 2014

Thanks! That's good to know.

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