[TowerTalk] Rotator Swap U.S. Tower Crank-Up

Kj6y kj6y at aol.com
Tue Apr 2 11:41:18 EDT 2019


I use a come-along to raise the mast and hold while changing rotators.  

Skip, KJ6Y
818-522-5421
Communications Service Co
Sent from my IPad

On Apr 2, 2019, at 8:02 AM, Mac <libbysales at austin.rr.com> wrote:

I second what Joe proffers,  I lost [dropped] my mast last year about 10-12 feet weighing near 350-400 pounds with all included,  and geez oh Pete,  a small bottle jack was all i could get to fit in the circumstances,  and to get all the mast back up took lot of work to at my guess was about 5" of lift from the jack per effort then reset the clamps and start the whole sequence all over till it was finally raised back up and in place... watching paint dry would have been more fun..  mac/mc  w5mc

> On 4/1/2019 2:53 PM, Joe K2UF wrote:
>  Tony,
> 
> I would not trust that small bolt to hold up the mast while working under it
> (on the rotor)  I use a muffler type U bolt above the thrust bearing to
> secure the mast.
> 
> Good luck
> 
> Joe K2UF
> 
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Tony
> Sent: Monday, April 01, 2019 3:06 PM
> To: TowerTalk at contesting.com
> Subject: [TowerTalk] Rotator Swap U.S. Tower Crank-Up
> 
> All:
> 
> Not sure if this is the proper procedure, but the last time I replaced a
> Yaesu rotator on my U.S. Tower heavy-duty crank-up, I used the bolt that's
> built into the tower to hold the mast in place to kept it from from falling.
> 
> It seemed to hold 100lbs of antennas just fine, but was wondering if I
> should clamp the mast at the top above the bearing for a bit of insurance.
> 
> Tony
> 
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