Tools, Sharpening and Power Machinery - Help Craftsman Air Compressor leaks air.

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lalo.kat
10-22-09, 08:27 AM
I bought an older model Craftsman air compressor because i wanted to 5hp and not these weak 1.6hp that Sears is making now. The tank builds pressure and works fine, but it is leaking air from where the hose plugs in. How can I fix this? Thanks.

marksr
10-22-09, 08:39 AM
Welcome to the forums!

Is it the quick disconnect that is leaking? if so, does it still leak if you disconnect the hose?
lalo.kat
10-22-09, 08:46 AM
It leaks from where the quick connect hose attaches. If i remove the hose, it still leaks.

marksr
10-22-09, 09:09 AM
If it's leaking at the threads, you can probably fix it by taking it off and using some teflon tape on the threads and screw it back in. Sometimes you can squirt a little oil in the disconnect and then repeatedly take the male fitting and put it in and out. More than likely, you need to replace the disconnect. Most of them are pretty standard but you do want to make sure you replace it with the same type. They also come with male or female thread so you want that to be the same also. I've had better service out of the Milton brand fittings, they wear out too but it takes a lot longer.
lalo.kat
10-22-09, 05:25 PM
By the disconnect, you mean the part where the hose plugs in? like it is attached to the compressor right?http://www.mitm.com/_includes/blob.asp?Cat=Series&Type=ImageNormal&I=82
One thing to note though, the leak is not coming from the threads, it's through the hole on the disconnect. Ex. if you face the disconnect, air hits your face.
marksr
10-22-09, 06:06 PM
You've shown the male side of the disconnect. The female disconnect should be what's installed at the compressor. You will want to replace the female disconnect. Over time they don't seal off like their supposed to.
lalo.kat
10-22-09, 06:44 PM
I'm sorry for all the confusion. After going to Sears and inspecting some of the compressors, asking questions, and thanks to you guys, I have realized that the previous owner was not the brightest color in the crayon box and connected the male and female connections backwards. The male connector was connected directly to the compressor and the hoses have female connections. Tss tss tss *shakes head* Thank you very much for all your help!!!


P.s. I will be replacing these tonight and giving it another try.