[TowerTalk] Rotator "Normal" Ham IV

[N7KA at comcast.net]

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 at 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 
> 
> 
> 
> 
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