Author Topic: DIY compressor (oilless to oiled)  (Read 5568 times)

Offline Bbecker05

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DIY compressor (oilless to oiled)
« on: December 01, 2016, 12:29:22 PM »
Hi everyone. I was tired of how loud my oiless compressor was. I lucked out and got a old gas powered twin piston compressor from my father in law. Yesterday I pulled off the first prof of concept. I can't wait to fabricate it all together.


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Online Heiny57

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Re: DIY compressor (oilless to oiled)
« Reply #1 on: December 01, 2016, 01:22:10 PM »
 sharepopcorn    Keep the progress pics coming.
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Offline gtermini

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Re: DIY compressor (oilless to oiled)
« Reply #2 on: December 01, 2016, 04:17:42 PM »
Before you invest too much work in you motor swap, make sure your motor has the balls to drive that compressor against a full head of working pressure. You may want a check valve between your tank and the pump outlet as well.

Greyson

Offline Bbecker05

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Re: DIY compressor (oilless to oiled)
« Reply #3 on: December 01, 2016, 04:32:13 PM »
Before you invest too much work in you motor swap, make sure your motor has the balls to drive that compressor against a full head of working pressure. You may want a check valve between your tank and the pump outlet as well.

Greyson

Thanks for the advice. This is the last thing I'm worried about. I'm just going to tack everything in place so I can build up some psi. Why do suggest a check valve between the tank and the pump outlet? Neither one had one from their factory setup.


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Offline TWX

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Re: DIY compressor (oilless to oiled)
« Reply #4 on: December 01, 2016, 07:27:55 PM »
Many compressors, in an attempt to reduce the instant-required load on the motor, decompress the leader-line between the pump head and the tank.  If you don't have a checkvalve in the tank then you cannot do this.

With that line depressurized the motor doesn't have to work so hard to get the compressor pump initially moving, and it loads up smoothly instead of trying to do so abruptly.

Offline slip knot

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Re: DIY compressor (oilless to oiled)
« Reply #5 on: December 01, 2016, 07:32:39 PM »
I seem to recall it was a genie valve. unloader and check valve all in one.
Started with nothing and still have most of it left.

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Offline Bbecker05

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Re: DIY compressor (oilless to oiled)
« Reply #6 on: December 01, 2016, 07:45:59 PM »
That would be very beneficial, this is it right?.


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Offline slip knot

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Re: DIY compressor (oilless to oiled)
« Reply #7 on: December 01, 2016, 07:50:57 PM »
that's what you'll need. thumbsup2
Started with nothing and still have most of it left.

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Offline Bbecker05

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Re: DIY compressor (oilless to oiled)
« Reply #8 on: December 01, 2016, 07:54:29 PM »
Ok. Would a hardware store carry these?


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Offline slip knot

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Re: DIY compressor (oilless to oiled)
« Reply #9 on: December 01, 2016, 07:58:24 PM »
I doubt a hardware store would carry those. I got mine from a sandblast supply house. They specialize in compressors and paint stuff.
Started with nothing and still have most of it left.

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Offline TWX

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Re: DIY compressor (oilless to oiled)
« Reply #10 on: December 01, 2016, 08:14:38 PM »
Actually Ace Hardwares in my neck of the woods sometimes carry them.  Depends on the individual store.

Offline Bbecker05

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Re: DIY compressor (oilless to oiled)
« Reply #11 on: December 02, 2016, 12:41:25 AM »
Well tonight was interesting lol. Used some spare wood to mock it all up. The setup vibrated like a SOB. I threaded in a quick disconnect into the top of the compressor outlet and connected a airline to it (nothing connected at the other end). Each time I turned on the motor. My power strip outlet tripped. I removed it all and fired it up with just the motor and compressor and it ran good but the vibration was too much to run it more than a few seconds. Any opinion on why the first setup tripped the outlet strip?


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Offline TWX

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Re: DIY compressor (oilless to oiled)
« Reply #12 on: December 02, 2016, 10:57:08 AM »
Amperage draw exceeded the rating on the device so it tripped.

It's possible that this motor isn't going to drive this compressor pump.

Offline goodfellow

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Re: DIY compressor (oilless to oiled)
« Reply #13 on: December 02, 2016, 11:24:08 AM »
Your power outlet doesn't have the necessary wire gauge to support the current draw. Also -- notice that vertical compressors have the pump and motor centered over the tank. You need to figure out and weld a platform that centers the load evenly over the centerline of the tank -- or you vibration will resonate through the entire structure.

Offline Bbecker05

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Re: DIY compressor (oilless to oiled)
« Reply #14 on: December 02, 2016, 11:46:50 AM »
Amperage draw exceeded the rating on the device so it tripped.

It's possible that this motor isn't going to drive this compressor pump.
I'm afraid of that. I'm going to run some line to the tank and see how much psi it builds up in the tank before it trips. I'll plug it in the wall.


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Re: DIY compressor (oilless to oiled)
« Reply #14 on: December 02, 2016, 11:46:50 AM »