[TowerTalk] Slow/Stuck rotator in one direction

[Dana Roode K6NR]

Thanks Dave.  The Yaesu rotators have DC motors so I don't think this is
the same problem.   Dana

On Sat, Apr 14, 2018 at 11:12 AM, Dave Hachadorian <k6ll.dave at gmail.com>
wrote:

> I don't know anything about Yaesu rotators, but if this were a CDE unit I
> would recommend replacing the AC motor capacitor as a first step.  The caps
> are cheap, and if they deteriorate, rotator torque is reduced.
>
> Maybe Yaesu has the same setup.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
> -----Original Message----- From: Dana Roode K6NR
> Sent: Saturday, April 14, 2018 10:32 AM
> To: towertalk at contesting.com
> Subject: [TowerTalk] Slow/Stuck rotator in one direction
>
> [Not sure if this got sent the first time, apologies if duplicate]
>
> Hi,
>
> My 4 Element 20m yagi is on a 15' mast on a Yaesu rotator in a TX-455
> US-Tower.  Over the last year, it has become slow to turn across the
> NorthWest direction, working fine in other directions.  As of a day or so
> ago, I could turn the rotator counter clockwise into the NW area but now I
> can no longer turn it clockwise to get beyond about 290 degrees.
>
> My tower et al is at my remote station about 80 miles away and I will need
> to go up there to take a look at what is going on.  I am looking for some
> general advice on correcting these sorts of problems, which would seem to
> relate to the vertical alignment of the bottom 5' of mast in the rotator
> and through the thrust bearing.  I forget how much adjustment play there is
> in the rotator shelf mounting and don't know if you can adjust the the
> thrust bearing.
>
> I don't think anything is binding - cable wise or with my dipole arm mount
> - but I will need to check that out too.
>
>   Dana - K6NR
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