CVA Lathe

**Michael1234** · 9th March 2014, 11:05 AM

Hello Michael G, I read your thread on your CVA lathe that you restored a few years back. I have just bought an identical lathe in need of some restoration. The first item I need as a main gearbox oil seal. Did you by any chance take a note of the seal part numbers when you were replacing them?, Thanks Michael

**Michael G** · 9th March 2014, 08:15 PM

The main seal out of the gearbox was a tricky one as for some reason the output shaft on my lathe was 30mm but the lathe was fitted with a seal for a 1.25" shaft. The housing for the seal had an OD of 2.25" (3/8" wide). As the seal was not sealing at all I decided to fit a metric version to match the 30mm shaft. However the metric seal was 58x30x10 so I had to enlarge the seal housing from 57.15mm to 58mm. Not having a lathe at the time (because it was in pieces) I put it on the mill and did a little circular milling to take it out that little bit.
P1000931 (Medium).JPG

Michael

(the original thread - https://www.woodworkforums.com/f65/bit-lathe-142383)

**Michael1234** · 9th March 2014, 09:29 PM

Hello, Thanks for the reply. The seal fitted is made by NTK has the following numbers 1743 SC225 112 37. If I cant source this particular one I may go down the same route as you and fit a metric one.

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