[TowerTalk] US Tower HDX-689 Sheave replacement

[w6rgs at cox.net]

Check out www.hubcityinc.com.
They make the bearings for one of the tower manufacturers.  Lots of 
choices, but make sure the measurements are correct.

73  Bill W6RGS

At 06:20 PM 3/11/2013, Bob K6UJ wrote:
>That is discouraging to hear. I am hoping to order some spare 
>bearings for my HDX589.
>I suppose contacting US Tower wouldn't do any good, they probably 
>wont let us know the supplier for the sheave bearings.............
>On the other hand I think I will all them tomorrow and see.
>
>
>Bob
>K6UJ
>
>
>
>
>On Mar 11, 2013, at 4:06 PM, Dan Hearn wrote:
>
> > I have replaced the bearings on myTX472. Two bearing places in Spokane said
> > that there is no replacement available with the correct ID and OD.. They
> > could supply a bearing with the correct OD but the ID would be too large.
> > They did have a bronze sleeve bearing with exactly the correct OD and ID to
> > fill the space between the thru bolt and the available bearing. It was
> > relatively easy to change the bearings and stake the edge of the sheave.
> >
> > Dan, N5AR
> >
> >
> > On Mon, Mar 11, 2013 at 2:59 PM, <gdaught6 at stanford.edu> wrote:
> >
> >>> If you heat a bearing to the flash point of the grease, you've
> >>> probably
> >>> already destroyed the bearing.
> >>
> >> There's no way I can turn the handle on my crank-up fast enough to even
> >> warm the
> >> grease!
> >>
> >> 73,
> >>
> >> George T Daughters, K6GT
> >> CU in the California QSO Party (CQP)
> >> October 5-6, 2013
> >>
> >>
> >> _______________________________________________
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> >
> >
> >
> > --
> > Dan Hearn
> > N5AR
> > _______________________________________________
> >
> >
> >
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