> 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
money-saver.
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!
Cheers,
Steve K7LXC
TOWER TECH
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