central pnuematic won't stay running?

by Aaron
(Fairmont Wv)

Air compressor pressure switch

Air compressor pressure switch

my compressor all of the sudden started to run for a few seconds then shut off then after a few seconds i hear a click and it starts back up and will do so until it reaches its setting.And sometimes it will trip the reset button and all i have to do is push it and it will start back up

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Arron, being careful as you are exposing live wires, remove the cover of your pressure switch.

Empty the tank of air, then start your compressor.

Watch the pressure switch innards. If you see the pressure switch tripping on and off as the compressor runs, and if the pressure in the tank has not reached the normal cut out pressure level, then I suspect it is your pressure switch that is pooched.

Post your findings as a comment here, if you would.

Cheers,

Bill

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Dec 10, 2012
pressure switch
by: Anonymous

The innards are not tripping they are staying in contact
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Thanks for the comeback.

I suspect that you have a motor winding problem, maybe the start winding, or a start capacitor issue.

You can see the page about testing your capacitor.

For motor help, you will need to go to a motor re-wind shop for a motor test.

B.

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compressor will not start

by bob
(Tiffin Ohio)

I have a model 40400 compressor that will not turn on what should i look for
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Bob, go to the troubleshooting section on the sitemap page and read the pages about why air compressors don't start.

When you've checked the issues referred to there, add a comment here telling us what you did or didn't find in the process of trying to figure out why your air compressor won't start, and we'll press on.

Bill

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Air Pressure not building but compressor running

by Bruce
(Wayne, WV.)

My 40400 will run but it won't build up any air pressure, Any ideas on this ?
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Lots of ideas Bruce... maybe even some of them good?

Your compressor problem is not unique, so I added some pages on this site about how to try and figure out why your air compressor runs but does not build pressure.

Please go to the sitemap page and look under troubleshooting for links to those pages.

Cheers,

Bill

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Compressor wont cut off

Compressor dosen't cut off blows air but weak. What's the problem
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When you say it won't cut off, are you saying that the pressure in the tank bypasses the cut out pressure and keeps rising?

Or, are you saying that the pressure in the tank never gets to the cut out pressure setting?

See the section on troubleshooting on the site map page for some links to pages that will help. If you still need help, post a comment here telling me what you've found, K?

Bill

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