The spring doesn`t lose it`s temper......The spring has no "feelings"! It
does however lose temper, (As in tension) Good point though Rich, seems some
of the older Henry amps suffer from this malady.
Jim.
----- Original Message -----
From: 2 <2@vc.net>
To: AMPS <amps@contesting.com>
Sent: Thursday, February 20, 2003 7:01 AM
Subject: Re: [Amps] 3-500Z Pin Desoldering
>
>
> >Some folks have suggested that a cause of the loss of pin solder is from
not
> >oiling the cooling fan. I agree with that but if you determine that the
> >fan is
> >rotating properly, I have another cause to investigate. I used to have
the
> >same problem (SB-220 amp) and found the following problem: The tube
> >socket's
> >spring clips had become weak and were not holding tight onto the tube
pins.
>
> The cause of loss of spring tension is excessive heat which causes the
> spring to lose its temper. In a SB-220, not oiling the fan bearings
> every couple of years or blocking the exaust air at the top and/or left
> of the cabinet are the usual culprits.
>
> >Take out the tube and look at the bottom of the tube socket. Are the
ends
> >of
> >the socket clips close together? Do you see discoloration in the spring
> >clips. If the answer is yes, then replace the clips with new ones (from
> >another new socket) and you'll be in business. I did this to my problem
a
> >year
> >ago and no more desoldering problems. Gd luck, Phil KB9CRY
> >> Thanks for the answers regarding the subject.We'll try to acquire
> >> Ag/Sn solder if we can, if not possible will try with 60/40 solder.
> >> Thanks for the information.
> >>
> >> Best regards
> >> Guillermo.
> >> _______________________________________________
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> >> Amps@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/amps
> >_______________________________________________
> >Amps mailing list
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> >
>
>
> - R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
> www.vcnet.com/measures.
> end
>
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