[TowerTalk] HDX-89 rotator replacement - w/o tilting the tower over?
Les Kalmus
w2lk at bk-lk.com
Thu Dec 30 08:13:58 PST 2010
Before you have the mast pulled up as Steve recommends, put a couple
of muffler clamps on the mast touching the top of the bearing to
positively prevent it slipping down.
I like to move them an inch or so at a time to make sure in case
anything slips while raising and lowering.
Les W2LK
On 12/30/2010 9:20 AM, K7LXC at aol.com wrote:
>
> In a message dated 12/29/2010 11:32:47 P.M. Pacific Standard Time,
> towertalk-request at contesting.com writes:
>
>> I have an US Tower HDX-89 tower, and I need to replace the Tailtwister
> 2
> currently nestled in the top section below the thrust bearing. Is it
> possible,
> and what's the procedure, to remove and reinstall a rotor w/o tilting over
> the
> tower? I will have removed the antennas and mast, but don't how far the
> tower
> must be extended to access the rotator plate.
>
>
> Hiya, Brian --
>
> You don't need to remove the antennas and mast. Run the tower up far
> enough so that the rotator is accessible, block the bottom of sections with
> 2x4's or pipes to prevent downward tower movement and go on up. You can use
> a comealong to lift the mast up enough to clear the rotator or a pry bar
> of some sort. You can get the mast up enough to do the swap and then it's
> pretty straightforward.
>
> Cheers,
> Steve K7LXC
> TOWER TECH
> Cell:206-890-4188
>
>
>
>
>
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