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Old 09-02-2015, 07:21 AM   #1
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Air Compressor Fix


Hi folks.

I have an air compressor that broke. The line that feeds the tank, is a compression fitting onto a nut that screws into the tank in-feed. I'm guessing vibrations cracked the brass (assumption) fitting. Best to look at the pics.

Can I glue this somehow? I have no clue if I can find a replacement fitting for that brass item. I wouldn't know where to look.

Before anybody says "get a real compressor", I have a new one. Nor do I have a professional shop. It's a small compressor for light jobs in my garage. I would like to make an attempt at fixing it.

Any insight appreciated. Cheers
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Air Compressor Fix-img_2507.jpg   Air Compressor Fix-img_2508.jpg   Air Compressor Fix-img_2512.jpg   Air Compressor Fix-img_2513.jpg   Air Compressor Fix-img_2514.jpg  


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Old 09-02-2015, 07:31 AM   #2
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Air Compressor Fix


That fitting should be easy to find. Probably at home depot. If not there, then a plumbing supply should have it.
You will need to extract the broken piece from the fitting on the tank. It will unscrew.

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Old 09-02-2015, 07:40 AM   #3
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OK from the looks of it, it's a ” x ” Male to Male Brass Pipe Coupler. I will need an extractor to get it out apparently. Worth the work. Thank you.
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Old 09-02-2015, 07:46 AM   #4
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It will require new tubing and ferrules but keep the original nuts. When bending the new tubing it would be advantageous to make a 180 loop in the tubing for expansion and vibration dampening.
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Old 09-02-2015, 07:52 AM   #5
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Originally Posted by SeniorSitizen View Post
It will require new tubing and ferrules but keep the original nuts. When bending the new tubing it would be advantageous to make a 180 loop in the tubing for expansion and vibration dampening.
Can I not just replace the coupler? I can see how new tubing can help avoid this issue, but can I not start simple and replace the tubing if need be at a later date?
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Old 09-02-2015, 08:40 AM   #6
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Sorry, my error. The fitting is just a pipe thread to tubing fitting as mentioned. Rather than attempting to locate an extractor I would probably just use a hack saw blade and cut the dutchman in half to get it out.
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Old 09-02-2015, 08:47 AM   #7
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Originally Posted by SeniorSitizen View Post
Sorry, my error. The fitting is just a pipe thread to tubing fitting as mentioned. Rather than attempting to locate an extractor I would probably just use a hack saw blade and cut the dutchman in half to get it out.
I have no clue what a dutchman is. I can get an extractor set for $7 on sale.

Is the lower part screwed into the vertical tube? I'm assuming this is " NPT both on top (the piece that snapped off) and below.
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Old 09-02-2015, 09:07 AM   #8
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Dutchman - a common name for the part broken off in the compressor tank.

The fitting portion in the tank will be pipe thread ( NPT ). The threads for the tubing fitting will not be NPT. After removing the tank portion, to be assured all new parts will fit, take both fitting halves plus tubing with nuts to purchase new parts. Trial fit the old tubing nut to the new tubing fitting while in the store. The old ferrules on the tubing are usually OK to leave there and re-use.

As Joed mentioned, these fittings are common and auto supply stores may also have them.

1/4" fittings? That's small for air compressors so don't be surprised if a larger size is what actually works.
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Old 09-02-2015, 09:09 AM   #9
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Excellent. Thank you.
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Old Yesterday, 05:32 AM   #10
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Ayuh,.... That fittin', is Supposed to be a check-valve, as well as attachin' the line,.....

Without the check-valve, air excapes back through the compressor, causin' hard restarts,....
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Old Yesterday, 06:41 AM   #11
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Quote:
Originally Posted by daBee View Post
Hi folks.

I have an air compressor that broke. The line that feeds the tank, is a compression fitting onto a nut that screws into the tank in-feed. I'm guessing vibrations cracked the brass (assumption) fitting. Best to look at the pics.

Can I glue this somehow? I have no clue if I can find a replacement fitting for that brass item. I wouldn't know where to look.

Before anybody says "get a real compressor", I have a new one. Nor do I have a professional shop. It's a small compressor for light jobs in my garage. I would like to make an attempt at fixing it.

Any insight appreciated. Cheers
look's like 1/2" pipe , i bet it has flair fitting's, i fix one a long time ago, get 2 nuts and copper pipe and have it flaired and bend the pipe to fit , watch and don't kink the pipe
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Old Yesterday, 09:36 AM   #12
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Originally Posted by del schisler View Post
look's like 1/2" pipe , i bet it has flair fitting's, i fix one a long time ago, get 2 nuts and copper pipe and have it flaired and bend the pipe to fit , watch and don't kink the pipe
I am lost as to what you said. If it's a flair fitting, then that pipe is welded into that receiving piece there that's vertical & red? It doesn't look threaded, so I'm confused as to what it could be.
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Old Yesterday, 10:36 AM   #13
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What kind of compressor is it.?
Maybe we can find a manual for it....
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Old Yesterday, 01:57 PM   #14
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OK here's an update. It isn't just a coupler. I took some more pictures and it's a check valve. So that changes everything. Some updated pics:
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Air Compressor Fix-img_2533.jpg   Air Compressor Fix-img_2534.jpg   Air Compressor Fix-img_2535.jpg   Air Compressor Fix-img_2537.jpg   Air Compressor Fix-img_2538.jpg  

Air Compressor Fix-img_2543.jpg  
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Old Yesterday, 02:29 PM   #15
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Ordered a small kit with that compressor exhaust parts. Fun stuff.

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