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 Post subject: Pat Trap help
PostPosted: Sat Apr 23, 2011 10:20 pm 
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Location: So Cal (Near Edwards AFB)
We are having trouble with one of our traps. It throws far too many broken birds. I know broken birds sometimes happen, but this one is throwing about 2-3%; that's too high.

We have adjusted the machine. The rubber on the arm is new. The arm is adjusted to the right height. The brush is new. The surface is clean.

I'm at a loss. If any of you know how to fix this, please speak up.

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 Post subject: Re: Pat Trap help
PostPosted: Sun Apr 24, 2011 9:19 am 
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Doug, a few things. The carousel can get a little out of time and the target will actually not fall through the hole evenly causing it to tip. In your adjustments did you adjust the timing? You also could have a defective relay. The relays have mechanical points in them that will get dirty and worn. Try changing out the relays. The plate that the rollers sit on has to slide. Make sure that it doesn't have anything hanging it up. Hit the elevator shaft with some WD40. Look under the doubles roller. Target dust and chips can build up there that causes it to misalign a target.


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 Post subject: Re: Pat Trap help
PostPosted: Sun Apr 24, 2011 12:12 pm 
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Joined: Fri Aug 03, 2007 8:58 am
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Location: Minnesota
Jim Tyner wrote:
The plate that the rollers sit on has to slide. Make sure that it doesn't have anything hanging it up. Hit the elevator shaft with some WD40. Look under the doubles roller. Target dust and chips can build up there that causes it to misalign a target.


This is the number one problem we have with our older one. The newer ones have a changed roller mount so that it supports the roller differently. I have thought about doing a retrofit, but haven't had time.

Have you replaced the o-rings on the rollers lately?

Jerry


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 Post subject: Re: Pat Trap help
PostPosted: Sun Apr 24, 2011 2:35 pm 
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New o-rings on rollers, and the carousel and elevator set the bird as gentle as I believe is possible. They sit square on the elevator, and don't drop onto it. The roller plates move easily. I thought about adjusting the tension on them, but I'm not sure about that.

The first time we noticed this issue, I sat in the house for a few rounds to see what was happening when the birds broke. At that time, every bird that broke was not being held up by the brush. They would fall half way down to the doubles spot, and would disintegrate when the arm hit them. We replaced the brush, and this issue went away. Even so, it still breaks more targets than it should.

Thanks for the help, but I'm still looking.

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 Post subject: Re: Pat Trap help
PostPosted: Mon Apr 25, 2011 9:27 am 
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Rastis,
Its the timing on your elevator that comes up and gets the bird, if the bird drops at all its the timing. The bird should not drop, Havre club had this problem and they had to adjust the timing chain. M ahead or back a tooth oe two, so the elevator comes up as the bird is released.
DDF


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 Post subject: Re: Pat Trap help
PostPosted: Mon Apr 25, 2011 11:39 am 
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OK Dog, I'll look at it again, but I think the timing is good. Is there a small adjustment or can it only be adjusted by slipping a tooth?

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 Post subject: Re: Pat Trap help
PostPosted: Mon Apr 25, 2011 1:22 pm 
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To my knowledge slipping a tooth, why they get out of time I am not sure, but it happens.
DDF


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 Post subject: Re: Pat Trap help
PostPosted: Mon Apr 25, 2011 10:56 pm 
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Doug, do you have a manual? You can download one from the Pat Trap website.


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 Post subject: Re: Pat Trap help
PostPosted: Mon Apr 25, 2011 11:07 pm 
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Yeah, we have the manual.

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 Post subject: Re: Pat Trap help
PostPosted: Wed Apr 27, 2011 11:06 pm 
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Joined: Fri Aug 03, 2007 8:58 am
Posts: 34
Location: Minnesota
Just a thought, but you might try taking video of the problem trap and compare it to video of a different one. Sometimes it is easier to analyze motion if you can pause it or run it back and forth.

Jerry


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