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Re: [TowerTalk] Ham IV Stuck

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Ham IV Stuck
From: Kim Elmore <cw_de_n5op@sbcglobal.net>
Date: Mon, 23 Dec 2019 18:41:24 -0600
List-post: <mailto:towertalk@contesting.com>
It sounds like the CW limit switch is stuck open. You can wire around the limit switch at the control head as a test (see the manual for which wires go to the limit switch and simply jumper across them.

Kim N5OP

On 12/23/2019 5:54 PM, Ron 'KF5JRA' Rosson via TowerTalk wrote:
First of all “Merry Christmas & Happy New Year”

After a ton of googling I thought I would expand my issue to a stronger brain 
trust than Google.

I have a ham IV nestled in a Glen Martin Roof top tower with a 6’ mast and a 
K4KIO hexbeam (picture can be found here (http://www.oneinsane.org/kf5jra). When I 
installed it I set it up so that my offsets CW/CCW are set at 180 and true north 
should be my zero in the middle of the ham IV rotation.

Somehow I have gotten the rotor stuck/wedged at the CW 180 stop and no matter what I do it 
aint moving. I can hear the brake solenoid disengage/engage when I attempt to move int but 
get no movement. With my installation be a little over three and half years old’ 
could something have failed already? All meter readings are within specs so cable is good. 
Is it that with the cold weather ( I live in Loveland, CO (7 miles south of Fort Collins 
& 55 miles north of Denver)) that I should just wait till I get a decent warm spell 
and part that this is just a frozen due to the cold.

Any ideas or assistance is much appreciated.




--
73 de KF5JRA
Ron
kf5jra at oneinsane dot org

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--

Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)

/"In theory there is no difference between theory and practice. But, in practice, there is." //– Attributed to many people; it’s so true that it doesn’t matter who said it./

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