[volt-nuts] Now Pace desoldering maintanance question
pa4tim at gmail.com
Mon May 21 22:24:50 UTC 2012
Yes, have a new spare one too. I have the felt filter in the glass tube ( just placed a new one after one year rather extensive use, it came with 10 spares) but also a some steelwool i replace every time I empty the tube and the filter is still as clean as a year ago.
Problem was now i had used it to remove a lot of parts ( whit a lot of solder using the biggest nozel in a short time and had not emptied it. Now it was blocked and the glass tube did not come lose. So i opened it. The contacts between element and pcb were in bad shape. A lot of carbon, and they were very loose. The handpiece allways felt rather hot.
I desolderd the contacts, cleaned the board with a yellow copper rotating brush on my Dremel.
Then cleaned it ( and all the nozels) ultrasonic. Bend the contactsprings a bit more inside and resoldered everything including the wires.
Modified the flimsy switch and now it stayes a lot cooler and i do not have to press that hard. After that I wend in call mode and set it to Celcius and activated also the function that puts the temp down after 30 minutes of no use. Think I dismantel my solder iron too for inspection. I have the manual for that so that is a bit more easy.
Op 22 mei 2012 om 00:00 heeft "J. Forster" <jfor at quikus.com> het volgende geschreven:
> I noticed you have the Millipore disposable filter in the suction line.
> That catches most all the flux particles and keeps the pump pretty clean
> for ages.
>> Thanks, i tried it, made a return hose on it but it splattered all around
>> so the rag over the output was a better idea. Let it suck some nafta (had
>> no ipa anymore) and waited a few minutes, then pumped it empty but the
>> nafta was as clear as it went in so I guess my pump is clean.
>> Thanks. All works well again.
>> Fred PA4TIM
>> Op 21 mei 2012 om 18:07 heeft Mark Sims <holrum at hotmail.com> het volgende
>>> The exhaust port is just above the suction port on the front panel. It
>>> has the pressure adjustment knob. I use pure isopropyl alcohol. Be
>>> careful... flammable solvents and DC motors with sparking brushes are
>>> not friends.
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