I had one for years. I fabricated a Rohn top section on mine to make rotor
installation easy
Sent from my iPhone
> On Aug 31, 2019, at 2:53 PM, Raymond Benny <rayn6vr@gmail.com> wrote:
>
> I've had a MA770 for 10 years and no problems. I keep it at about 55ft for
> a feeling of additional safety.
>
> I have no bang or other noises from it. Be sure the limit switches always
> work. Bearings are Fafnir KP8, not KP8A. They do up occasionally on eBay.
> At one time I was able to buy them from US Towers.
>
> Ray,
> N6VR
>
> On Fri, Aug 30, 2019, 8:04 PM Richard (Rick) Karlquist <
> richard@karlquist.com> wrote:
>
>>
>>
>>> On 8/30/2019 7:26 PM, FRED MATOS via TowerTalk wrote:
>>> I am considering buying a used US Tower tubular tower with tilt over
>> feature.
>>>
>>> I would appreciate tips on what to look for in my evaluation.
>>
>> The state of the pulleys is hard to assess and UST
>> isn't very helpful about replacing them. Having said
>> that, I had one of these for over 30 years and it was
>> still working when I sold it. AFAIK, the pulleys were
>> still OK. But they can fail.
>>
>> The other issue is that the antenna will swing back and
>> forth in the wind and make banging sounds on the
>> tubes. This may or may not be OK with neighbors.
>>
>> Getting the rotor set up seems to be obvious, but it's
>> not. Nothing is documented about this.
>>
>> Rick N6RK
>> _______________________________________________
>>
>>
>>
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>>
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