Central pneumatic air compressor- airhose won't fit ?

Plumbing from tank to discharge coupler on air compressor - http://www.about-air-compressors.com

Plumbing from tank to discharge coupler on air compressor - http://www.about-air-compressors.com

I got a central pneumatic air compressor but my airhose won't fit to it. Is there something I can do so that that it will


The hose on the end is 1/4 and the end of the air compressor size is 1/8
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Usually the air hose is connected to the air compressor using a connector on the end of the hose. That air line connector then is plugged into a coupler that is on the discharge line from the compressor.

I have uploaded a photo to demonstrate. The air line from the tank ends at the discharge coupler (brass fitting) located on the line to the right in the photo.

Typically, also, the compressor comes equipped with a discharge coupler on the end of the pipe from the air tank. If you are missing your discharge coupler on the end of the discharge pipe from the compressor, add one. Yours will need a 1/8 female port from what you have written.

On the end of the hose install get a connector with a female thread same size as the hose thread, and with the connector end the same type that the coupler uses so they fit together.

The other end of the hose will need a coupler as well.

More details on couplers, connectors, and air plumbing on various pages on this site. In particular, look at the NPT page to ensure that the 1/8" port really isn't 1/4". NPT sizes are not the same as inch sizes.

Cheers,

Bill

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Parts for a central pneumatic 38898 pancake compressor?

by steve houle
(vermont)

looking for rebuild kit for central pneumatic 38898 pancake compressor Rebuild Kit SKU 27349 but harbor freight doesn't sell them any more where do i go to look know? thanks

pump only goes to 50 psi and after reading your trouble shooting guide i believe i need a valve and gasket Rebuild Kit SKU 27349 for my compressor but harbor freight don't sell them anymore. there new model looks simalar but not sure.
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Steve, boy, that's a tough one, and a problem that is a regular one with all the big box store air compressors. They either don't have parts, or the person at the store sometimes wouldn't know an air compressor if it jumped off the shelf and bit them!

I know HF does not offer the compressor, but if you have not done so already, do contact their service department to see if they can offer an alternative parts kit: For technical questions and replacement parts, please call 1-800-444-3353.

There are postings on this site about how some enterprising folks have used a paint scraper blade to fashion a new valve plate, and others about how to source and make gaskets from high heat gasket material.

Bill

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Mar 10, 2012
gasket leaking
by: Michael H.

I have the same problem. It goes to 100 psi and then i hear a hissing sound. The problems was tracked down to the gasket on the pressure switch. The gasket was ripped and started leaking when the switch clicked off. I can not find a gasket but am going to try a sheet of rubber, maybe from a bike innertube.

Sep 17, 2011
low psi on 38898
by: airhead

I have the same problem, compressor #38898 was working fine and then all of a sudden wouldn't pump up any higher than 35-40 psi. Took apart, and put back together. Rings, redd valves, gaskets, all looked good. HF sent me a new chck valve (#58 in parts list) wrong thread size on one end but used the spring and valve...still no luck! Ready to throw away and buy a new one on sale. What a shame! I Don't think a rebuild kit will help, can't isolate problem yet.
Any ideas on repair?

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Look at the TROUBLESHOOTING page, click the link to "will not build pressure" and check out the issues referred to there.


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95386 motor turns on for 10 seconds and then turns off?

by PERNELL GARRISON
(ARLINGTON , TX)

My compressor will come on and the turn off. it was working fine 3 weeks ago. now the motor turns on for 10 seconds and then turns off. i checked the oil, it was a little low, i do not know if I just need to put oil in it . i will wait for your reply before going further. please help !!!
my email address is thatpfella@gmail.com
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Hi Pernell.

I need a bit more info, please.

You say the motor turns on for 10 seconds, then shuts off. Do you know what is turning it off?

For example, is it the pressure switch clicking off and shutting the power down? If that is happening, that suggests the switch itself is pooched.

When it runs for that 10 seconds, does it build any pressure in the tank at all?

Try pulling the plug, dumping all the air out of the tank, closing the tank drain, and then starting your air compressor again. Any change?

Please post your response here as a comment so I can follow the thread and we can help figure out what is going on with your Central Pneumatic air compressor.

Cheers,

Bill

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Nov 01, 2011
help!
by: manuel

I have compresser model 95386 brand new only used it 4 times. I will turn it on and only the fan comes on it can be for 20 mints compresser wont kick in? My dog went behind the compresser and pushed it over one day can this be the problem something got loose? Thank you!

Oct 01, 2011
Central Pnuematic Air Compressor model #95386
by: Ken Beard

I have a Central Pnuematic air compressor model #95386 that I purchased in October 2008 brand new. It was working fine until a couple of weeks ago when I was airing up 4 tires on m wife's Mitsubishi Eclipse. Without warning it quit developing air pressure as I was airing up tires. I shut the unit off, drained the tank with the valve on the bottom of it as I always do after each use, let it sit for a couple of hours and tried to use it again. It starts and runs perfectly but the tank pressure gauge will not rise above 10lbs and the air pressure outlet gauge is also at 10 lbs. I have checked every fitting on this unit and found nothing that was loose although I retorqued every fitting slightly just to see if this would correct the problem. There is no change it still starts and runs but will not develope more than 10 lbs air pressure. I contacted Harbor Freight where I purchased the unit and they suggested their technical line which I did use and they thought it was the pressure switch so I purchased a new pressure switch, installed it without any problems, but the unit still will not make any more than 10 lbs air pressure no matter what I have tried. Any help would be appreciated.
My e-mail address is ktbeard1@yahoo.ca
Thanks, Ken

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I am sorry that you purchased a pressure switch needlessly. But now, you have a spare! :-)

Visit the TROUBLESHOOTING page and follow the link to "will not build pressure". Much info there on why air compressors run, but do not build air pressure.


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Almost new but won't pressurize past 20psi?

by Kenny
(Austin, TX, USA)

21 gallon 3 hp won't pressurize past 25-30psi
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Well Kenny, did the air compressor ever build to its full pressure level and then cut out as it should, or has it always not built air pressure?

If the problem has been there since new, check to make sure the tank drain is closed, would you?

Make sure your compressor is plugged right into a wall socket with no extension cord.

If the drain is closed, pull the intake filter and feel if air is being pulled in, or is it bleeding out as the compressor recycles. If air is bleeding out it suggests an intake valve problem.

Have a look at the troubleshooting section and follow the link to the page about why air compressors run and don't build pressure.

Provide any additional details as a comment here, please.

Cheers,

Bill



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