Sorry, I should have noticed in Mike's original message that his tower is a
crank up/tilt over. I have no experience with one of these. My reply was
meant for a guyed tower, where the mast can remain in place, and the rotator
can be pulled straight out the side of the tower.
73,
Tim - N3XX
----- Original Message -----
From: "Jim Rhodes" <k0xu@longlines.com>
To: <towertalk@contesting.com>
Cc: <towertalk@contesting.com>
Sent: Wednesday, June 11, 2008 10:43 PM
Subject: Re: [TowerTalk] Removing a Rotator
>I am not sure that those who have replied here are thinking of doing
> this with the tower tilted over. The method here would probably work
> that way, but it would probably be prudent to also prop up the mast
> with a step ladder of some kind of A-frame.
>
> At 09:11 PM 6/11/2008, N3XX - Tim Heger wrote:
>>To hold the mast in place while replacing the rotator, I use three flat
>>steel bars about 1 foot long. I drilled holes for U-bolts on each end of
>>each bar, spaced so that one U-bolt clamps to the mast, and the other
>>clamps
>>to the tower leg. All three bars are clamped to the mast just above the
>>rotator. The other ends of the bars go to the three tower legs, and are
>>clamped there. This has always worked well here, no sideways movement of
>>the mast, and the thrust bearing holds the vertical pressure.
>>
>>GL & 73,
>>Tim - N3XX
>>
>>
>>----- Original Message -----
>>From: "waterpower" <hoth2o@netecin.net>
>>To: <towertalk@contesting.com>
>>Sent: Wednesday, June 11, 2008 9:02 PM
>>Subject: [TowerTalk] Removing a Rotator
>>
>>
>> > Here's the problem: I have a Yaesu rotator mounted in a 55 foot crank
>> > up/tilt over tower. The thrust bearing and 10 foot mast are also from
>> > the
>> > tower manufacturer.
>> >
>> > The antenna is a basic 4 element Steppir. The rotator must come out to
>> > replace the potentiometer (hope that is spelled right). Any way to pull
>> > it
>> > without disassembling the beam? The rotator is mounted to a plate about
>> > 4
>> > feet below the thrust bearing.
>> >
>> > Mike
>> > W8TRN
>> > _______________________________________________
>> >
>> >
>> >
>> > _______________________________________________
>> > TowerTalk mailing list
>> > TowerTalk@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>_______________________________________________
>>
>>
>>
>>_______________________________________________
>>TowerTalk mailing list
>>TowerTalk@contesting.com
>>http://lists.contesting.com/mailman/listinfo/towertalk
>
> Jim Rhodes K0XU
> jim@rhodesend.net
>
> Experience is the thing you have left when everything else is gone.
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|