Thanks all. - Alan
-----Original Message-----
>From: Fred Hurd <fred.hurd@cox.net>
>Sent: May 13, 2016 12:51 PM
>To: K7LXC@aol.com
>Cc: towertalk@contesting.com, awswinger@earthlink.net
>Subject: Re: [TowerTalk] Tower maintenance person wanted - MN
>
>Hello Awsinger - I totally agree with Steve (K7LXC) regrarding the need to
>replace cables on a crank-up tower. I have used the same cables on my US
>Tower TX-472 crank-up for well over ten years and they are in great shape
>because I lubricate them twice a year with Pre-Lube 6 Preservative Cable
>Lubricant (which you can buy from Steve).
>You do need to grease the motor drive system periodically to keep smooth
>operation especially during tower raising and also don’t forget the thrust
>bearing at the top of the tower. You don’t need to replace the cables unless
>upon close inspection you see one or more of the problems as indicated in
>Steve’s email.
>
>Best 73, Fred (W4PKU)
>> On May 13, 2016, at 12:24 PM, K7LXC--- via TowerTalk
>> <towertalk@contesting.com> wrote:
>>
>>> I am also looking for someone who can change the cables on my US Tower
>> TX-472 MDPL in Charlottesville, VA sometime in the next few weeks. Will pay
>> a reasonable fee and tvl costs.
>>
>> I guess the obvious question is why do you think the cables need
>> changing? In the crank-up chapter in my UP THE TOWER book, I list 3 reasons
>> why
>> you would need to have them changed.
>>
>> 1. Excessive broken strands. With 7x19 cables such as the ones
>> typically used in crank-ups, that would be 6 broken strands.
>>
>> 2. Serious rust. Cancerous rust - not surface rust.
>>
>> 3. Damage. That would be a kink or flattened part of a cable.
>>
>> In my over 25 years of tower work, I've only seen one crank-up tower
>> that I would have recommended on having a cable change.
>>
>> Tower manufacturers are insurance driven enterprises. US Tower says
>> you need to change the cables and pulleys every 2 years. This is a 'weasel
>> clause' - that is, if you don't do that and something happens to your
>> crank-up, UST can weasel out of any responsibility. They are very risk
>> averse.
>>
>> This is NOT an exception to the LXC Prime Directive to "DO what the
>> manufacturer says." That's because UST is NOT the manufacturer of the wire
>> rope cables.
>>
>> I doubt that your cables are in such serious shape that they need
>> replacing and I just wince at things people do or money they spend that
>> they
>> don't have to.
>>
>> Cheers,
>> Steve K7LXC
>> TOWER TECH -
>> Professional tower services for amateurs
>> US Tower factory authorized installer
>> _______________________________________________
>>
>>
>>
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