[TowerTalk] Help Request: Motorized Telescoping tower needs
k4to at arrl.net
Fri Jul 28 14:25:34 EDT 2017
If you have a buddy that is a car guy who has a shop, a standard press is usually part those things. I have used my buddy’s press to change gears and rework gearboxes for rotators, etc. It is really simple to do, once the part is out of the assembly.
> On Jul 28, 2017, at 2:00 PM, K7LXC--- via TowerTalk <towertalk at contesting.com> wrote:
>> US Tower model TX-455 MDP (motorized with positive pull-down) uses a 4
> groove pulley with the number 3V315SH stamped on it. The bearing is
> broken. What do you suggest? Is the complete part available? Can I take it to
> some shop and get a new bearing put in?
> Hiya, Scotty --
> Generally UST uses pressed-in bearings. Most guys use Graingers for
> these kinds of parts but you might have a good local supplier. Take it to
> them and let them figure it out. They can probably give you more specifics
> that you can take to Grainger or whoever if they can't help you. UST will
> charge an arm and 2 legs for their parts so doing it yourself will be a real
> Then you need a machine shop to push out the old bearing and press in
> the new one. Maybe your amazingly well equipped hobby machine shop can do
> it. There's probably someone there that'll know all about it too.
> Then you have to re-route the cables. Have fun!
> Steve K7LXC
> TOWER TECH
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