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Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: absinthe » Sun Apr 04, 2010 12:26 am

you shouldn't need to put oil in it unless you start losing it on the outlet, then you could just collect and return, or just make sure the outlet runs upwards for a short while so it can run back in by itself.

you should have kept the dryer/filter unit if it was the to stop dirt ingress into the pump.

also keep an eye on the temp of the pump you don't want to cook your oil, and going to almost twice its run pressure could cause lots of heat issues at that pressure.

+1 on the run cap.. or at least test it to see if its still at the value it should be if its not that can cause some overheating in the motor and will also drop the power of the motor quite a bit
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Unread postAuthor: c11man » Sun Apr 04, 2010 8:26 am

tell me how exatly would i collect it out of my cannons? even for the short time that i tested it oil was flowing out the oulet and the massive flow pushed the oil up the 6inch long nipple i had on it and i dont see it stopping at a reasoable heigth. i would only add oil in small amounts rarely to make sure it was topped off.

and do you mean this?!
<a href="http://s696.photobucket.com/albums/vv321/c11man/large%20compressor/?action=view&current=100_9879.jpg" target="_blank"><img src="http://i696.photobucket.com/albums/vv321/c11man/large%20compressor/100_9879.jpg" border="0" alt="unknown"></a>
they were already removed from the compressor when ifound it because somone had almost bought it several years ago and already cut all the lines and everything

ill test the cap if you want but im not gonna pay to replace it...
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Unread postAuthor: POLAND_SPUD » Sun Apr 04, 2010 8:39 am

ohh dude If it is what I think it is then you've got a ready made oil and or water separator
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Unread postAuthor: c11man » Sun Apr 04, 2010 8:48 am

im note even sure what they are myself, but the smaller blue thing has flare fittings on it...
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Unread postAuthor: ramses » Sun Apr 04, 2010 9:42 am

that is fap-tastic!
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Unread postAuthor: bradisfun » Sun Apr 04, 2010 7:22 pm

yeah that looks really impressive but it would help if you new what they did/are... or you could just use them all :roll:
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Unread postAuthor: absinthe » Mon Apr 05, 2010 1:48 am

the large blue job is the filter/dryer and to remove the oil stuff the outlet pip with steel wool (the coarse stuff like a kitchen scrubber) and that will/should catch most of it. just make sure it can flow back down into the compressor
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Unread postAuthor: POLAND_SPUD » Mon Apr 05, 2010 3:42 am

@absinthe
the filter/dryer

&
just make sure it can flow back down into the compressor


it's not the best idea you know... sure it's true if these things are used in a closed system as there is no water that enters the system.. but once they are used as air compressors the filter/drier will separate a lot of water from air, which is why you shouldn't flow back to the compressor
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Unread postAuthor: c11man » Mon Apr 05, 2010 7:05 am

so put the big blue thing back on the inlet?
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Unread postAuthor: POLAND_SPUD » Mon Apr 05, 2010 7:17 am

No, you need an air filter on the inlet (either ready-made or home-made)
but you can use the large silver thingy as an oil/water separator (so you'd have to mount it on the output side)
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Unread postAuthor: absinthe » Mon Apr 05, 2010 11:22 am

most of the larger dryer units are filter dryers, and as these go on the inlet you can face them downwards so any moisture can drain out, although this would not be an issue as the desiccant would already be useless by now and not collect any water but it will filter the air..

the homemade job would be better still though because you could clean it..

and when i said "just make sure it can flow back into the compressor" i was referring to the oil catcher on the outlet side of the compressor that way you don't need to worry about topping up the oil as it will flow back down by itself
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Unread postAuthor: POLAND_SPUD » Mon Apr 05, 2010 12:00 pm

i was referring to the oil catcher on the outlet side
and that's exactly what I am referring to... the oil separator separates not only oil but also water
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Unread postAuthor: c11man » Mon Apr 05, 2010 10:02 pm

im an not going to worry about catching the oil off the outlet side, reasons include - cost, space, and extra work.

so i guess im going to making my own filter?
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Unread postAuthor: POLAND_SPUD » Tue Apr 06, 2010 7:02 am

it's not a bad idea to have an oil/water separator... the idea is that air has a lot of water in it and some of it will condansate insdie your setup, tanks etc. possibly causing everythign to rust
I have one right between the compressor and the rest of my setup and it does work... probably it does not work perfectly (as it is a home-made separator) but after about 2 weeks it is completely full of oil & water
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Unread postAuthor: c11man » Tue Apr 06, 2010 7:08 am

almost evrything i use this air for doesnt rust and building the seperator to handle 1000psi and the flow might be more of a challenge than i want
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