Valve plate
Testimonial: "Sorry Rick, I did check the valve plate and that was good too. Should have mentioned that in my original post. Thanks for your help ! The check valve arrives today and i the mean time I replaced a dried "O" ring before it went altogether. Thanks Again ~ Mark"
SOURCE: craftsman 1 gallon direct drive oil filled wont build air pressure
It sounds like you may have a broken reed on the diaphragm plate. This is located at the block. Remove the cover, and look for a cast metal assembly with fins. It will be attached to the side.
SOURCE: Dewalt 4 gal air compressor will not build pressure in take.
The bleed valve is an unloader of sorts that allows the compressor to start with-out a load. It closes when the pressure in the airline reaches about 20-25lbs with good volume. If air volume is not sufficient, the valve will not close. To solve the problem lets do a few tests. A long cord will reduce power and reduce air volume. Try powering the compressor with-out extension cord. If bleed valve closes when you do not use a cord, the compressor is not getting enough voltage, use shorter cord of the 12 gauge quality and more hose to reach work. If valve still does not close, check for air leaks on all fittings including around pressure switch and drain valve with soapy water. Repair as necessary and retest. If no leaks were found, temporarily plug bleed valve port with screw/bolt and run compressor till set pressure cut-off while counting minuites/seconds. The compressor should fill and shut off within three minutes or so. If it takes an unusually long time to fill, then the reed valves /valve plate is worn and leaking pressure back into cylinger. Leaking valves will usually result in very hot discharge airline/air. Reinstall the bleed valve after test. Parts and partslist are available at www.toolpartsdirect.com . Good luck on the repair and email if you have other questions.
SOURCE: Dewalt compressor will not build up pressure
turn on and tap the top of the pin lightly also with no air in tank pull up and down on pin spray lightly with wd40 never let anyone use this pin valve to release pressure it will ruin the valve if you still have problems you can get a new universal check valve off the shelf at lowes for around $6 make sure you use thread tape when reinstalling
SOURCE: My craftsman air compressor model 919 16737 1.1 hp
Probably the check valve has failed. It apparently is where the pipe goes into the tank from the compressor.
SOURCE: I bought a Dewalt D55168 air compressor and I lost
Hello. The link below will take you to the manual and other info.
builderdale
http://www.dewaltservicenet.com/Products/DocumentView.aspx?productid=66646&typeId=16567&documentId=33925
Here is a parts diagram for the air compressor:
http://shoppingcart.msservicecompany.com/msservice_net/product_files/D55168/D55168_PL.pdf
There are a couple of things to look for on the air compressor.
You will need to see if the piston ring is damaged or if you have a broken reed on the valve plate.
These are typically the two most common problems with this model.
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Thanks, I believe the stuck valve is the most logical, cause everything else runs great. i'll check and report back. thanks again ! Mark
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