At 11:07 PM 11/27/2007, Dr. Gerald N. Johnson wrote:
>On Tue, 2007-11-27 at 22:24 -0500, w8au@sssnet.com wrote:
> >
> > Although the real cure has been mentioned numerous times over the
> > last 15 years or so, his question periodically comes up. The need
> > is mostly to "re-lube" not rebuild, ecause the original grease has
> > hardened and caused the vernier to slip.
> > Needless labor is done when not necessary.
> >
>That would not have fixed the PTO in my Corsair II. It was slipping,
>more at the low end of the band because the balls had worn a deep groove
>in the outer race of the vernier. That required new parts.
>
>And that's the other failure, failing to tune when the spring tension is
>highest. Lubrication won't cure that wear.
Yes, Jerry, there are some legitimate rebuild situations such as yours,
but my comment above was "mostly," referring to probably 90% or more
of TT PTO's. In any case, I would try the "clean and relube" process
first... and if that doesn't handle it, rebuild.
Thanks for the input.
Perry
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