[TowerTalk] MA-550 cables maintenance

[Ray Benny]

Jorge,

The tower looks to be in good condx. The only thing that looks questionable
is the rust on one of the lifting cables. If it is only surface rust, I'd
clean it with a wire brush thoroughly then soak it with wire rope
lubricating, such a Prelube 6. There was a discussion a week or so ago of
other wire rope lubricants available.

You might also brush the rusted bolts clean then spray with a cold
galvanize paint, or replace them.

Ray,
N6VR


On Thu, Jan 30, 2014 at 11:51 AM, Jorge Diez - CX6VM
<cx6vm.jorge at gmail.com>wrote:

> Thanks Gary
>
>
>
> Tower was in use, seems good, small rusted. Just that I want to do what is
> needed before putting the antenna on it.
>
>
>
> Here some photos
>
>
>
> Thanks,
>
> Jorge
>
>
>
>
>
> *De:* Ray Benny [mailto:rayn6vr at cableone.net]
> *Enviado el:* jueves, 30 de enero de 2014 04:43 p.m.
> *Para:* Jorge Diez - CX6VM
> *CC:* Tower Talk
> *Asunto:* Re: [TowerTalk] MA-550 cables maintenance
>
>
>
> Jorge,
>
>
>
> I became owner of a MA770 that had not been raise or lowered in perhaps 10
> years. I found most of the cable pulley roller bearings frozen. I removed
> all the bearings and soaked them an ultra-sound bath device using kerosene.
> Most of the bearing cleaned up well and were reused, but several had to be
> replaced. I think the bearings are Fifnir K8 bearings and are difficult to
> find.
>
>
>
> Make sure the lifting cables are not damaged or rusted. If so, they need
> to be replaced. And check the up/down limit switches. The ones on my MA770
> were totally frozen and had to be replaced.
>
>
>
> GL,
>
>
>
> Ray.
>
> N6VR
>
>
>
> On Thu, Jan 30, 2014 at 11:31 AM, Jorge Diez - CX6VM <
> cx6vm.jorge at gmail.com> wrote:
>
> Hello
>
>
>
> I got a used MA-550 tower, first owner bought it in 2007.
>
>
>
> the cables to rise up and down and to lay it are very dry and a bit oxidize
> in some places, also the pulleys.
>
>
>
> May I put a mechanical oil or fat on it or is not necessary?
>
>
>
> Any other important thing to check on this tower?
>
>
>
> Thanks,
>
> Jorge
>
> CX6VM/CW5W
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>