Question about Dewalt D55146 Heavy Duty 412Gallon 200PSI Heavy Duty Hand Carry Compressor with Wheels

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My compressor comes on but wont build pressure.

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If your motor works fine and you don't get any pressure buildup your problem is likely one of two areas. Under the head is a valve plate assembly (PN-A09819) that may have one or more broken reed valves. If the reeds are OK check the wiper on the piston. Sometimes a piece will break off of it or it may have come out of the groove on the piston. This part can only be bought as a connecting rod/piston assembly (PN-N038785)

Posted on Nov 04, 2010

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Posted on Jan 02, 2017

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