Question about Porter Cable 4 5 Gallons 150PSI Job Boss Oil Lube Mobile Air Compressor ? C3551

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Wont pressure up

It comes on but once it gets to about 50 psi it starts leaking air somewhere inside the housing. Then it wont gain anymore pressure

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Most likely your portercable piston ring/seal broke. Its not hard to fix if you are mechanically inclined. See portercable site for rebuild kit.

Posted on Jan 14, 2009

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Compressor fills with air and shuts off. No problem there,however, once the pressure is obtained and shuts off there is a leaking noise coming from the inside of the motor housing. Pressure drops slowly...


This sounds like a problem with you check valve. This should seal after the air compressor shuts down but if there is a problem with the check valve then it will allow the air to escape back out from the take.

Here is a link to the parts breakdown:
http://shoppingcart.msservicecompany.com/msservice_net/product_files/C2002-WK/C2002-WK%20PD.pdf

You want to check part # 11 A19714.

Thanks

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hi you say it wont hold pressure aftwer 50 psi /do you mean it wont make more than 50 psi
take air cleaner off get a piece of plastic pipe that will fit in your ear /braided fuel pipe is ok ,run the comp up ,put one end of pipe in inlet manifold /other end in your ear ,if you can hear escaping air valve is shot do the same with outlet valve if air escape is mimimum rings and piston are shot hope this helps silk090

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Fresh Water Systems | http://www.freshwatersystems.com | 1.877.335.3339

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1 Answer

Wont pressure up


Check drain plug on bottom of tank, check hose connections on top of tank.

Lugnut61

Jan 14, 2009 | Porter Cable 4 5 Gallons 150PSI Job Boss...

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