"jim L" <jtl57@bellsouth.net> wrote in
news:svhEk.50842$XB4.26606@bignews9.bellsouth.net:

>
> "jim beam" <spamvortex@bad.example.net> wrote in message
> news:fMadnVd_eY6IPHzVnZ2dnUVZ_o3inZ2d@speakeasy.ne t...
>> jim L wrote:
>>> Still can't get pitted area on old switch to take solder. I'm
>>> using rosin core solder with flux, but no go. BTW, it's a lead
>>> free flux - but the only flux available @ local hw store if that
>>> makes any difference. I'm not an expert on soldering by any means,
>>> but - would acid core stick - or has metalurgy changed to where
>>> nothing will work? I no longer need this switch, but would like to
>>> be able to repair it for practice and my own curiosity.
>>>
>>> Jim
>>>
>>>
>> suspect you need a higher wattage iron. those are big fat copper
>> cables - they suck heat like crazy.
>
> I have a weller gun - I'm sure it has plenty of wattage. Solder
> sticks
> fine to the good metal on the contact - but it seems to avoid the
> pitted area. I've scraped it with a file & pick. then again - it
> may be my technique.
>
>
>

the gun may have plenty of wattage,but the iron's TIP size will not
transfer enough heat to such conductive terminals.
A plain old 60W iron with a 1/4" chisel tip will do much better.

--
Jim Yanik
jyanik
at
kua.net