Don't overlook "dumb" things like poor contact in fuseholders.
BTDT for a fact it can / will cause fuses to blow
Paul K0UYA
----- Original Message -----
From: "Gary McAdams" <g.m.mcadams@comcast.net>
To: <amps@contesting.com>
Sent: Saturday, November 27, 2010 1:08 AM
Subject: Re: [Amps] AL-82 Blowing fuses on startup
> Hello all...
>
> First; my amp has not blown a fuse for a couple of weeks now. The last
> replacement was 11-14-10. Even then that was only the second fuse
> replaced.
>
> Since then, it's been used most every day... That is until the big
> windstorm took out my feed line. Repaired that, and the amp has been on
> the air every day since.
>
> There is probably still an problem. but until it becomes a constant, I'm
> reluctant to simply start tearing things apart.
>
> I, too have had the Ameritron folks on the phone. In addition, I've
> heard from a number of you and I thank you all for that. If it happens
> again, I at least know where to start.
>
> But even though the consensus is betting on the step-start, no less an
> authority than Tom W8JI himself , said to look at the tubes. Tom
> designed the thing, I'm inclined to take his advice at face value.
> However, having been in the field service arena for over thirty years, I
> am also convinced that intermittent problems are the biggest PITA around!
>
> So until/unless it becomes what we in the trades call "A hard failure",
> I'm inclined to let it go.
>
>
> ... And now that I've invoked Murphy, its sure to go out tomorrow at the
> latest!
>
> 73 Gary
>
> On 11/26/2010 8:24 PM, Greg Chartrand wrote:
>> There is a very good chance your fuse blowing problem was the same as
>> what I had with my AL-1200 since they have almost identical power
>> supplies. I suggest you read the article I wrote below to see if it may
>> be your problem.
>> Greg
>> http://www.mods.dk/view.php?ArticleId=4311
>>
>> ---------------------------------------------------------
>>
>> Greg Chartrand - W7MY
>>
>> Richland, WA.
>>
>> DN-06IF
>>
>>
>>
>> W7MY Home Page:
>>
>> http://webpages.charter.net/w7my/
>>
>>
>>
>>
>>
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>>
>
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