I bought a 100 watt Weller W100P temperature-controlled iron (not a gun) from a company
that sells stuff to stained glass hobbyists. I have never been sorry. The thermal mass of
the large tip makes soldering things like tank coil tubing and straps easy. It also does a
good job on PL259's.
It is much better for almost everything than a Weller D550 200/260 watt allegedly
'professional' gun. I don't think the guns are made with the quality that they once were
(what is?).
On 2/3/2013 5:28 PM, Carl wrote:
----- Original Message ----- From: "George" <at6c@bellsouth.net>
To: <Amps@contesting.com>
Sent: Sunday, February 03, 2013 5:07 PM
Subject: [Amps] Ameritron band switch repair
A friend bought a used AL 1500 (from about 1999) and when we opened it up to install
the transformer we noticed that one of the straps from the coil to the band switch was
not connected to the band switch. The solder that was there was globed up and did not
flow out properly. I thought it would be an easy repair to just re-heat the joint and
flow the solder. Turned out that the solder would not flow out with the heat from a
100w gun. The excess solder would not melt into the existing solder on the band switch
or on the strap. I tried adding a little more rosin core solder but still the same
problem, no solder flow. Did Ameritron use something besides 60/40 rosin core solder
on the band switch? Looks like I will have to remove all the solder down to bare metal
and clean the lug on the switch in order to re-solder this connection. The strap
shouldn't be problem to clean but the lug on the band switch is very thin and I hate to
work on it too much with a file.
Get a real gun, at least 200W and dont Mickey Mouse around with a file.
There is a green wire coming out of the input circuit enclosure and it looks like it
was solder to a lug near the band switch but is now just hanging there. Was this there
to ground out the 10M input circuit to comply with FCC rules?
Yes.
Carl
KM1H
73,
George
W2GS
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Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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