> My US Tower TX-455 instructions say to replace the steel cable that raisesand
> lowers the tower section every 3 years. I assume that a lawyer wrotethat,
> but is it necessary to replace the cable at some point? My tower is18 years
> old, it's in the desert, I lube it every couple of years, and itappears to be
> in good shape. Yes, the admonition by UST is a weasel clause. That is, if
> anything happens to your tower and you didn't follow their instructions, they
> can weasel out of any responsibility. Tower manufacturers are insurance
> driven enterprises. That's also why they're loath to pass along any
> meaningful information about their products. There are 3 reasons you
> might want to replace the cables. 1) Excessive broken strands. In a typical
> 7x19 bundle, you're allowed something like 6 broken strands. 2) Damage. This
> would be a kink or flat spot in the cable. 3) Excessive rust. Not your
> typical surface rust but real cancerous growth. In your case I'd say you
> have zero reasons to replace the cables. They might even outlast you.
> Cheers,Steve K7LXCTOWER TECH
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