[TMC] [Boatanchors] a stuck Jennings Vacuum Variable.

[asmagal at fc.up.pt]

Maybe I am wrong, but I have also a defective Jennings and I
wonder if there is only missing an helical spring along the
shaft.

73 DE
Antonio
CT1TE

Quoting Mark Foltarz <Foltarz at rocketmail.com>:

> John,
>
>  I'm thinking this cap must have been really driven in
> The collar for the shaft is off the cap.
> The shaft threads in and out but the bellows are stationary in the   
> "driven in all the way" position.
>
> de KA4JVY
>
> Mark
>
>
>
>> ________________________________
>> From: J. Forster <jfor at quikus.com>
>> To: Mark Foltarz <Foltarz at rocketmail.com>
>> Cc: "amradio at mailman.qth.net" <amradio at mailman.qth.net>;   
>> "boatanchors at mailman.qth.net" <boatanchors at mailman.qth.net>;   
>> "tmc at mailman.qth.net" <tmc at mailman.qth.net>
>> Sent: Thursday, January 5, 2012 12:51 PM
>> Subject: Re: [Boatanchors] a stuck Jennings Vacuum Variable.
>>
>> I don't but perhaps some light penetrating oil into the thread mechanism?
>> Was it screwed into the stop hard?
>>
>> -John
>>
>> ============
>>
>>> Group,
>>>
>>>   Has anyone ever run across a vacuum variable that is stuck with the
>>> bellows fully expanded ?
>>>   I have one where the bellows are stuck open.
>>>   No electrical short.
>>>   It is a Jennings UCF 500 series glass vacuum variable.
>>>   Hoping someone has has experience with this problem.
>>>
>>>  
>>>
>>> tnx 
>>>  
>>>    de KA4JVY
>>>  
>>>    Mark
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>>
>>
>>
>>
>>
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