<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Many thanks for everyone's input and experience.<div class=""><br class=""></div><div class="">I use a Hakko 808… kinda old school and fairly chunky. The PCB tants were easy, but I stopped there. The traces on this machine are much more fragile than the stuff I’m used to working on (mainly Roland stuff). </div><div class="">The machine belongs to a nomadic friend - I’ve been babysitting it for nearly 15 years! I was happy to do the work as a favour to my friend and whoever the future owner is, but maybe it’s a little risky without better equipment.</div><div class=""><br class=""></div><div class="">Anyway, J wires and bus bar are cleaned, and she’s passed the magic smoke test. Sounds fabulous even without a calibration (last calibrated maybe 5 years ago when I replaced the bushings).</div><div class="">A few videos here (bottom of page) of the insides and in action for anyone interested..</div><div class=""><br class=""></div><div class=""><a href="http://www.adambaby.com/tempdownloads" class="">http://www.adambaby.com/tempdownloads</a></div><div class=""><br class=""></div><div class="">Adam</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 27 Nov 2018, at 11:29 AM, David G Dixon <<a href="mailto:dixon@mail.ubc.ca" class="">dixon@mail.ubc.ca</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">I would also chime in here to say that the Hakko 300 is the bee's knees for<br class="">quick, easy, clean desoldering. With less than one second contact time, it<br class="">cleanly sucks all the solder away, and the part usually either falls out or<br class="">can be coaxed out with a minimum of force. Anybody using this tool<br class="">correctly will do minimal or no damage to any traces.<br class=""><br class=""><br class=""><br class=""><blockquote type="cite" class="">-----Original Message-----<br class="">From: Synth-diy [<a href="mailto:synth-diy-bounces@synth-diy.org" class="">mailto:synth-diy-bounces@synth-diy.org</a>] On <br class="">Behalf Of Tony K<br class="">Sent: Monday, November 26, 2018 6:24 AM<br class="">To: <a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a><br class="">Subject: Re: [sdiy] speaking of tantalums...<br class=""><br class=""><br class=""><blockquote type="cite" class="">On Nov 25, 2018, at 10:33 PM, Adam Inglis <br class=""></blockquote><<a href="mailto:21pointy@tpg.com.au" class="">21pointy@tpg.com.au</a>> wrote:<br class=""><blockquote type="cite" class=""><br class="">I'm careful and my Hakko desoldering gun<br class=""></blockquote><br class="">It took me a while to find the ideal temperature - and <br class="">technique- to desolder with my Den-On SC7000Z. I practiced on <br class="">old boards. It turns out the temperature was too low and the <br class="">dwell time time too high. If anybody is thinking of buying <br class="">one of these I would caution against the manuals suggestion <br class="">of lower temperatures. One call to the site owner set me straight. <br class=""><br class="">I had it backwards, get in and out quickly , as it sounds <br class="">like you are doing. (375 F IIRC) . But this required time for <br class="">the tool to cool down at that higher temperature or the tool <br class="">would shut down. Annoying if you are doing many ics at once. <br class="">The Pace videos helped a lot too.<br class=""><br class="">I liked the Pace solder/desolder station I used at work, it <br class="">was a pencil. <br class="">That's my next gift to myself. Forget model no. offhand. But <br class="">that's another story/thread.<br class=""><br class="">Tony<br class="">_______________________________________________<br class="">Synth-diy mailing list<br class=""><a href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br class="">http://synth-diy.org/mailman/listinfo/synth-diy<br class=""><br class=""></blockquote><br class="">_______________________________________________<br class="">Synth-diy mailing list<br class=""><a href="mailto:Synth-diy@synth-diy.org" class="">Synth-diy@synth-diy.org</a><br class="">http://synth-diy.org/mailman/listinfo/synth-diy<br class=""><br class=""></div></div></blockquote></div><br class=""></div></body></html>