[TowerTalk] US Tower HDX-689 Sheave replacement
mikflathead at aol.com
mikflathead at aol.com
Mon Mar 11 17:49:40 EDT 2013
Be careful doing that. Sometimes the grease in the bearing will catch fire.
-----Original Message-----
From: Al Kozakiewicz <akozak at hourglass.com>
To: larryjspammenot at teleport.com <larryj at teleport.com>; towertalk <towertalk at 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 at contesting.com] On Behalf Of
larryjspammenot at teleport.com [larryj at teleport.com]
Sent: Monday, March 11, 2013 10:16 AM
To: towertalk at 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 at aol.com
>Sent: Mar 11, 2013 6:53 AM
>To: towertalk at contesting.com, rich at 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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