Question about Coleman Air Tools & Compressors

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Barely used new Coleman Powermate 5gal compressor mod VP0502510 turned in on after a year and simply does not accumulate air. Sound as always but seems deos not pump air into the tank

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  • sergiosdume Mar 11, 2011

    Thanks, is a very logical approach. I thought that maybe this type of compressors has some kind of a "rubber membrane" like the old gas pump for the 50's car.
    I did not hear the hiss or puffing due to the high noise this campressor makes.
    Thanks fredy2

  • sergiosdume Mar 12, 2011

    I disconected the pipe coming from the pump&motor into the "manifold" and was pumping air. I put my finger on and there was no pressure on my finger but i guessed that the tank is filled with small pressure but with valves, I put it back and then I tried again. There is a leak at the "manifold" or pressure control . There is a small plastic hose that comes from the connection of the pipe coming from the pump to the side of the manifold and it seems that the air is leaking from inside.

    The fact is that the com0pressor doeas not lift pressure in the gauges at all, but yet accumulate some. Maybe one of my kids close the valve?

  • sergiosdume Mar 13, 2011

    Can I take it apart or I should change the whole instrument?

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I would suggest that you remove the head and check the valve plate, with the passage of time the valves may have become jammed open or not closing fully, preventing the compressor from performing its function. Also check that the relief valve has not corroded, stuck or developed a leak or that the spring has not weakened or collapsed.
The only other problem could lay with the piston ring which may have seized in the pistons. If you do not find any problems with the above items, try spraying some penetrating oil around the edges of the piston and let it soak overnight, move it up and down manually to see if the ring has released, if not, you will have to remove it from the cylinder to check it. Make sure that you remove all excess oil before trying to run the compressor to prevent hydraulicking or dieseling.

Posted on Mar 13, 2011

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Many reasons for this
go to this website to view the different reasons of your delimma

http://www.about-air-compressors.com/compressor-will-not-build-pressure.html

Posted on Mar 12, 2011

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There are only a few things that can cause this, first the one way intake valve, you must check this, also the pump itself, the troubleshooting steps are to see if it is actually pumping air?, if so, is it entering, through the valve? into the accumulator?, if so is it staying IN the accumulator?
All valves "O" rings and fittings need to be checked for integrity.

http://www.mckenziecorp.com/compressor_guide.htm
Troubleshooting steps and remedies at web sites below, & above.
fileserver.urimarketing.com/LU/.../CompressorProblems.pdf

Posted on Mar 12, 2011

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This is likely a failure of the check valve. The valve is USUALLY right where the pipe goes into the tank from the compressor. The usual cause is contamination under the seat OR failure of the seal. As new as this is, I would expect there is contamination or debris in the seat. In any event, disassemble the output check valve. Input check valves are also suspect, however those you would notice a "puffing" at the air cleaner. Another problem is with compression release valves that don;t close, but you would hear air hissing from that. Those are often a part of the pressure switch on small compressors.

Posted on Mar 11, 2011

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  • Fred Yearian Mar 12, 2011

    Even the diaphram type compressors have check valves. Those are often just spring metal plate type valves. Yours should be a piston type compressor as it is rated to 90 PSI which is higher than most diaphram types produce. Most of the check valves are in a bulky fitting where the pipe enters the tank. They often have a teflon washer and spring that acts as a check valve. This type can also wear to the point they don't seal.

  • Fred Yearian Mar 12, 2011

    That may be a stuck compression release valve. It is often in the pressure switch and is a small pintle valve that closes when switch activates the motor and bleeds pressure after compressor stops. This allows compressor to start without having backpressure which would cause excess current.

  • Fred Yearian Mar 13, 2011

    You can carefully take it apart, but the little pintle valve usually can be seen with the pressure switch cover off. It is very small and closes when the switch runs the compressor, Wit no pressure in the tank, you should NOT be able to blow air through the valve. As the pressure tops out, the compressor shuts down and the valve is opened which bleeds the cylinder head pressure for ease in the next start. There are a lot of things to go "sproing" in the pressure switch as well as adjustment so do minimal disassembly.

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I found some website help. I have this same problem.

http://www.powermate.com/faq.php?cat_id=3
http://www.powermate.com/faq.php?cat_id=3&faq_id=32

I also found out a lot about the Powermate company via a customer service email reply: This has an elusive customer service number that i have not tried yet.

"
Powermate Corporation is not a part of The Coleman Company, Inc. They have been an independent company for over 10 years and we have no information on their products.

Powermate manufactured generators, pressure washers, air compressors and air powered tools. Information about those products was available from

Powermate Corp.
125 Airport Road
Kearney, NE 68848

Toll Free: 1-800-445-1805 (disconnected)
or 402-758-6303 (disconnected)
Web Page: www.powermate.com

Earlier this year, Powermate transferred the right to sell air compressors and air powered tools to a company by the name of MAT Industries, LLC, 625 Barclay Boulevard, Lincolnshire, IL 60069, 1(800) 628-8815. This company may be able to help you with questions related to air compressors and air powered tools.

In March 2008, Powermate filed for bankruptcy protection. We understand that customer service inquiries to Powermate via emails, mail and telephone calls will not be answered. However, some information about Powermate and its products continues to be available at their website.

If the problem with your unit is with the engine, check the engine manual that came with the unit to determine whether the engine has a separate warranty from the manufacturer. When Coleman was affiliated with Powermate, they did. If so, you can contact the engine manufacturer for a listing of warranty centers in your area. The contact number should be in the engine manual.

If you are needing parts for a powerwasher, please visit the site

http://www.ppe-pressure-washer-parts.com/coleman-powermate-pressure-washer-parts for assistance.

Thank you,

Harold
Coleman Consumer Service

"



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