Mike:
Can you send me a photo of what you're looking for, or refer me to a drawing
in the LM470 manual? I think I know what you're talking about but want to be
sure.
I bought my LM470 from a SK estate around 1998 and refurbished it 1998-1999.
At the time, I replaced virtually everything mechanical on the tower except
the take-up drum and gearbox. At the time I found an industrial supply house
(Kansas City area) that had everything I needed, even unusual stuff,
galvanized, etc. Not sure those guys are still in business, but I still have
my receipts somewhere, and if you can help me understand what you're looking
for I can see if they're still around. Better yet, if this outfit still
exists in the Kansas City area, chances are there's similar supply houses in
many of the bigger metro areas.
Let me know...
73
Dan
K0DAN
----- Original Message -----
From: "K6QD" <k6qd@cox.net>
To: <towertalk@contesting.com>
Sent: Tuesday, May 24, 2011 12:57 PM
Subject: [TowerTalk] Need for a LM470 sheave(pulley)
>I need to replace a sheave (bad roller bearing) in an LM470. It is an
>older
> Tri-Ex and the sheave is an ATCO M4-6B (no reference to ATCO on the
> Internet). It's the one at the top of the first section that the
> pull-down
> cable runs over. The bearing is a SKF KR6 (no longer mfg'd by SKF and no
> x-ref). It appears that the bearing is simply pressed into the sheave and
> would be replaceable by itself. So, I'm looking for sources for either
> the
> entire sheave ass'y w/ bearing (preferred) or just the bearing. The
> sheave
> is 3.5" O.D., 0.5" width, 3/8" pin bore and accommodates 1/4" (or 3/16")
> wire rope.
> Karl Tashjian is looking into it. His replacement sheaves are expensive.
> Tks!! Mike K6QD
>
>
> _______________________________________________
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