If you heat a bearing to the flash point of the grease, you've probably
already destroyed the bearing.
73,
geo - n4ua
On Mon, Mar 11, 2013 at 5:49 PM, <mikflathead@aol.com> wrote:
>
> Be careful doing that. Sometimes the grease in the bearing will catch
> fire.
>
>
>
>
>
> -----Original Message-----
> From: Al Kozakiewicz <akozak@hourglass.com>
> To: larryjspammenot@teleport.com <larryj@teleport.com>; towertalk <
> towertalk@contesting.com>
> Sent: Mon, Mar 11, 2013 10:24 am
> Subject: Re: [TowerTalk] US Tower HDX-689 Sheave replacement
>
>
> NO!
>
> At worst, a local machine shop can press a new bearing into a sheave.
> Depending
> on the diameter of the sheave, your own resourcefulness and tool
> collection, you
> can often do it yourself with a large bench vise and some sockets.
>
> In fact, with an aluminum sheave, I'd bet that you could heat the sheave
> up in a
> oven; put the bearing in a freezer; and the two components would slide
> together
> without a press!
>
> Al
> AB2ZY
>
> ________________________________________
> From: TowerTalk [towertalk-bounces@contesting.com] On Behalf Of
> larryjspammenot@teleport.com [larryj@teleport.com]
> Sent: Monday, March 11, 2013 10:16 AM
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] US Tower HDX-689 Sheave replacement
>
> Does that mean that the tower has to go back to UST to have such things
> installed? Just curious, before I look at spending lots of $$$$ for a
> tower that
> might need to have the same thing done a few years down the road. That
> could be
> VERY expensive!
>
> LJ
>
>
>
> -----Original Message-----
> >From: K7LXC@aol.com
> >Sent: Mar 11, 2013 6:53 AM
> >To: towertalk@contesting.com, rich@n7tr.com
> >Subject: Re: [TowerTalk] US Tower HDX-689 Sheave replacement
> >
> >> Im looking for the 5 inch OD Pulley Sheave for the HDX-689. This is
> for
> >the ? in cable. I need to order a few of these as I'm replacing all the
> >cables on the tower right now. I know US Towers had them, but wanted to
> >see if anyone else has replaced them from another vendor for a better
> price.
> >
> > Typically these are UST proprietary. That is, they make an aluminum
> >sheave and then press a sealed bearing into it. You'd have to do the same
> >thing.
> >
> >Cheers,
> >Steve K7LXC
> >TOWER TECH
> >US Tower factory authorized installer
> >_______________________________________________
> >
> >
> >
> >_______________________________________________
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> >TowerTalk@contesting.com
> >http://lists.contesting.com/mailman/listinfo/towertalk
>
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