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Are you sure buying a preassembled new one is not an option.
Hope you get it all together soon. Cheers
A new Sil-Air of the type I have isn't exactly cheap, I would rather use that cash to fill out the stash. A loud and noisy one is not an option
The two empty fire extinguishers were free, most of the other metal parts are recycled from other stuff or things I have found. I bought a new pressure regulator/moisture trap/pressure gauge-combo, some small fittings and hose. Total cost somewhere around 50 Euros.
The rest is pure fun, brass glows so cosy in the dark when hard soldering. The whole contraption will get a tinge of steam punk, sort of steam punk meets refinery. Maybe I will add some extra parts just for the fun of it
I managed to find spots to attach the pressure gauges from the fire extinguishers. Those gauges don't show numbers, just red and green fields but it looks nicely complicated
The new regulator has a double connection for air brush hoses and I will reuse the old regulator. Since there are two tanks connected in parallell I had positions for both regulators so now I have connections for three airbrushes, 1+2.
With two regulators I can have two different pressure settings on the outgoing air. Two connections for painting and one, higher pressure, for blowing dust with a cheap low precision airbrush.
The total tank volume has increased by somewhere around 50% so I get slightly longer totally silent periods.
The really valuable result of this rebuild is that the drain plugs are in accessible places and they are at the lowest points of the tanks. The old tank was a horizontal cylinder with the drain plug on the side. Getting to the drain plug was either by partially disassembling the compressor or by jacking it up on blocks to be able to get underneath (somewhat like draining old oil through the bottom plug of the sump on an old car engine). The drain plug was over a half inch hole in the bottom plate so access was complicated and tools were required. The new drain plugs are a lot easier to get at and they have wingnuts for ease of use.
/ Robin