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[Towertalk] TH6DXX trap cleaning

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Subject: [Towertalk] TH6DXX trap cleaning
From: (
Date: Tue, 6 Aug 2002 15:06:22 -0400
Based on a consensus from this reflector, I decided to take down my 
TH6DXX and remove and clean the traps. I am now on the first trap, 
the left, inside trap on the driven element (one of the more likely 
to be a culprit in my swr problem).

I have the trap in the house, clamped gently in a vise; I have 
removed the final setscrew that holds the outer cover to the inner 
aluminum tube and the plastic end caps are off. 

I am unable to get the insides out. I can tap on two places, either 
on the inner aluminum tube, from either end, or on the plastic ring 
that fills between the inner tube and the outer cover. Only the inner 
tube moves. I cannot move the plastic rings, or so it seems. Perhaps 
I should tap the inner tube all the way through, and then pull on the 
rest of the insides.

I hesitate to use substantial force, since, I believe, MFJ/Hy-Gain is 
unlikely to have replacement parts for this tribander that is more 
than fifteen years out of production. 

I can see inside the weep holes, and it seems that very tiny 
creatures have migrated inside, taking with them a substantial 
portion of my real estate and stuffing this inside the trap. I will 
have to get a new survey to see how much my property has shrunk. I 
would really like to get inside each trap and either clean things out 
or start charging rent.

Does anyone have experience with opening and cleaning these traps?

Jan Ditzian

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