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Chpower com compressor runs but does not build air?

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U have a ring broke in the compressor. The air is not going into the tank but back out of the compressor. U will have to replace that ring.

Posted on Oct 18, 2013

Testimonial: "This compressor is only a little over a year old and has been used very little not real happy about it. But thankks for the answer."

  • cabinrenovat Jul 08, 2014

    You likely are getting blow by on the piston ring. May not be a broken ring but badly worn. If the compressor runs all the time and wont build pressure i dont think it will be worth fixing. Hope this helps

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Posted on Jan 02, 2017

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SOURCE: coleman compressor no build up of pressure

your correct either the valves are worn or maybe just need cleaning as for the gaskets,idont know what part of the world your in but check out coleman on the internet or failing that ,i have maid these from gasket material suuplied from my local bearing supplier

Posted on Dec 03, 2008

  • 1388 Answers

SOURCE: compressor runs and runs but only builds 40lbs pressure

At the web address below you will find a parts list of your compressor. The most likely problem areas are the tube seal and the piston/cylinder. The tube seal seals the discharge tube to the head of the compressor. It will fail over time and cause the problem that you have. (only costs a few dollars) The other problem that you could have is a worn cylinder. Your compressor is oil free thus the piston ring is made of silicone vinyl and wears depending on conditions at the job site. Heavy dust/ dirt will shorten the life of the unit. With unit unpluged and covers removed, push the piston to top of stroke and examine upper portion of cylinder. If you see groves/scratches install cylinder kit. (cost around 39 dollars) In most cases I would replace both the seal and cyl kit. These parts are also available at your local dewalt service center or on line at dewalt.com. The folks at dewalt are very helpfull. Good luck with your repair and email if you have more questions.


http://www.ereplacementparts.com/porter-cable-cpfac2040p-type-pancake-compressor-parts-c-129_1662_2199.html

Posted on Mar 26, 2009

  • 1388 Answers

SOURCE: I have a 3hp 15gal air compressor that i bought

I am assuming that your compressor is oilfree type. Lets go over some basics to determine where fault is located. You will need to do some simple tests. If there are leaks the compressor may not reach set pressure. I use soapy water on all connections and on the head/headvalve (remove plastic covers to get to all parts that may leak) while compressor is running. Make repairs as necessary. If still low pressure, while compressor is running and has reached max obtainable pressure (in your case 15 lbs), carefully place finger over intake port hole (remove filter). If the compressor is pumping normally but leaking there will be ample suction at intake and cause the compressor to speed-up when intake is obstructed with finger. If you feel plenty of suction and no visible (soapy water) leaks, then the problem is probably the cylinder /ring is not correctly seating /scratched and air is leaking past cylinder. Make sure that the cylinder /piston ring is properly aligned and that the lip on the vinyl ring is up toward the head. On oilfree compressors you can examine the cylinder by pushing the piston all the way up, then look for scratches neer top of cylinder. If scratched install cylinder kit. If you do not feel suction but rather air blowing out of the intake, then the problem is the headvalve plate/reed valves are leaking. The reeds must seal perfectly on their seats and not be bent or have obstruction. Replace as necessary. Only one other thing to check and that is the intank check valve. Easy to check. Run compressor till you have about 15 + lbs in the tank then unplug compressor. Carefully loosen the inlet hose at checkvalve and listen for air leaking out of tank. If leaking replace checkvalve. Use caution when removing head to try and save the gaskets. If you see any model numbers on your compressor beginning with WL, you probably have a unit built by Campbell Hausfeld and can find parts at www.chpower.com
Good luck on your repair and email if you have other question.

Posted on May 09, 2009

lester482529
  • 226 Answers

SOURCE: air compressor not building pressure

YOU MAY HAVE BROKEN OR CRACKED A FEED LINE REMOVE THE COVER LET IT RUN ,CHECK FOR LEAKS

Posted on May 23, 2009

lester482529
  • 226 Answers

SOURCE: air compressor slow to build air pressure.

you might need to checktosee if the filter is blocked or dirty were the air intake is just like a car dirt can build up there.

Posted on May 26, 2009

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The manual and parts breakdown for your compressor can be found at: http://www.chpower.com/IMAGES/pdfs/manual02/608800_1102.pdf

If that doesn't work look for it on the Campbell-Hausfeld homepage at http://www.chpower.com/ under Service and Support. They have been working on the site so some links are not working correctly.

Your compressor is an oil-less type that has very little for you to do as far as service. Mostly you just have to keep it clean and occasionally drain the water from the tank. The frequency of that is dependent on where you are (humidity levels in your area) and how ofter you use it.

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The issue suggests that the head gasket is blown between the two cylinders or the reed valves are not seating or broken. The only other condition that would cause this is a leak. Here are a couple of simple tests. For leak spray soapy water on all connections and fittngs including the pressure regulator and the bottom of the pressure switch while unit is running. Repair as needed. If no leak is found, run compressor untill it reaches 60 or stops increasing and feel for suction at the air filter intake. The best way to check for suction is to remove the air filter and feel for suction at intake port-hole. The suction should be very strong. When valves are leaking it almost feels that the air is blowing out thru intake. If little or no suction, remove head and valveplate and replace parts as needed. Parts are available at www.chpower.com or www.toolpartsdirect.com. Good luck and post again if you have other question.

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I am assuming that your compressor is oilfree type. Lets go over some basics to determine where fault is located. You will need to do some simple tests. If there are leaks the compressor may not reach set pressure. I use soapy water on all connections and on the head/headvalve (remove plastic covers to get to all parts that may leak) while compressor is running. Make repairs as necessary. If still low pressure, while compressor is running and has reached max obtainable pressure (in your case 15 lbs), carefully place finger over intake port hole (remove filter). If the compressor is pumping normally but leaking there will be ample suction at intake and cause the compressor to speed-up when intake is obstructed with finger. If you feel plenty of suction and no visible (soapy water) leaks, then the problem is probably the cylinder /ring is not correctly seating /scratched and air is leaking past cylinder. Make sure that the cylinder /piston ring is properly aligned and that the lip on the vinyl ring is up toward the head. On oilfree compressors you can examine the cylinder by pushing the piston all the way up, then look for scratches neer top of cylinder. If scratched install cylinder kit. If you do not feel suction but rather air blowing out of the intake, then the problem is the headvalve plate/reed valves are leaking. The reeds must seal perfectly on their seats and not be bent or have obstruction. Replace as necessary. Only one other thing to check and that is the intank check valve. Easy to check. Run compressor till you have about 15 + lbs in the tank then unplug compressor. Carefully loosen the inlet hose at checkvalve and listen for air leaking out of tank. If leaking replace checkvalve. Use caution when removing head to try and save the gaskets. If you see any model numbers on your compressor beginning with WL, you probably have a unit built by Campbell Hausfeld and can find parts at www.chpower.com
Good luck on your repair and email if you have other question.

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