A sharp mechanical sound is normal. Its the brake selenoid and brake
engaging/disengaging. If your control box allows you will most likely hear it
when you depress and release the brake switch.
73 de Arne N7KA
-------------- Original message --------------
From: "Richard Hill" <REHill@ix.netcom.com>
> Neophyte question....I have a used Ham IV I'm testing to determine whether
> it is in good enough shape to use until I get my Yaesu back from the shop.
> My other option is a TV rotor. When the Yaesu comes back, I'll send the Ham
> IV off to be refurbished just because it is an unknown.
>
> Is this normal?
>
> When I turn on the control box, I hear a loud but hollow snap from the
> rotator. Didn't seem nice, so I checked all the wires and all seemed OK. I
> turned the box on, waited a moment, and then rotated the rotator. I also
> hear the same snap when I come to the end of rotation. I don't hear it if I
> rotate a short distance and stop before the end of the rotation. If I turn
> it off and on, I only hear the snap when I'm at the end of rotation.
>
>
> Thanks for the help. My first rotator/mast project with a 20 foot push up
> and a MA5B mini beam. Increasing my odds for VU4.
>
> NU6T
> Rich
>
> CU in the California QSO Party (CQP)
> www.cqp.org, Oct 7-8 2006
>
>
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> 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
|