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Author Topic: Yaesu G-450XL Possessed!  (Read 1348 times)
VE3TMT
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Posts: 500




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« on: February 02, 2013, 09:09:44 AM »

Sometimes when I turn the rotor on it will swing as much as 30 degrees back and forth for no apparent reason then stop. Not sure if the wind may have been blowing the beam around when it was off?? Seems odd. It will cycle like this a couple of times then return to normal. Any ideas?

Max
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W1JKA
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Posts: 1821




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« Reply #1 on: February 02, 2013, 11:34:04 AM »

   Depending on age/type of rotator control box in your shack the first and easiest thing to check is the wiper and contact points for tightness,clean,corrosion,electrical etc.If ok then the hard part,the elctrical and possible loose gear slippage in mast unit.It might help to be more specific with your make/model of controller/motor.FWIW I had similar problem and found two broken off nylon gear teeth in the mast rotator motor unit.
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VE3TMT
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Posts: 500




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« Reply #2 on: February 02, 2013, 12:44:52 PM »

It might help to be more specific with your make/model of controller/motor.

Huh I thought the title of my post specified the make/model. Yaesu G-450XL

When the rotor is acting up, the control box sounds just like I am turning the antenna, you can hear the gears whatever making the same sound it does when it is functioning properly.
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W1JKA
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« Reply #3 on: February 02, 2013, 02:07:03 PM »

  Sorry,another senior moment Embarrassed
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W4RS
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Posts: 66




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« Reply #4 on: February 22, 2013, 11:40:09 AM »

had the same problem with a 1000sdx, sent to yaesu, the fix was in the control box, just resorder the connections.
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VE3TMT
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Posts: 500




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« Reply #5 on: February 23, 2013, 11:29:44 AM »

Thanks I'll take a look inside.
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K1CJS
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Posts: 6061




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« Reply #6 on: February 25, 2013, 04:30:18 AM »

I'm not totally familiar with that rotator, but the problem may be with the brake--if it has one.  If its slipping and the control unit senses the slippage, the control unit may be trying to reposition the antenna all by itself.

Just something else to think about--FWIW.  73!
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