In a message dated 10/29/2008 7:07:32 A.M. Pacific Daylight Time,
towertalk-request@contesting.com writes:
> I just obtained a used MA550 self supporting, crankup tower.? It's 10
years old and never been used.? I'm thinking I should change the cable before
putting it up so I called US Tower to ask for cable replacement instructions.?
However, they refused citing liability issues.? They will however sell a
replacement cable for $213.00.
First, tower manufacturers are insurance-driven enterprises. They're not
about to give you any real information because of liability exposure issues.
There are 3 reasons why you'd need to replace your cables. 1: Excessive
broken strands (around 6-8 as I recall). 2: Damage - flattened or kinked. 3:
Rust - real rust, not surface rust. I suspect that your cables probably don't
need replacing.
If you really want to, the tower has to be horizontal and you have to
extend the tower fully to start re-cabling it. I understand it's not a bad job
- pretty straightforward.
There isn't much in the way of PM that you can do. You can lubricate the
exposed cable once or twice a year and that'll be good.
I've always thought that these are aesthetically nice towers.
Cheers,
Steve K7LXC
TOWER TECH
Cheers & GL,
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