Porter Cable compressor issue


Old 11-26-18, 08:21 AM
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Porter Cable compressor issue

I have a porter cable 135 psi compressor, model PCFP02003. Purchased at local big box about a year ago. Working very well with floor nailer and brad nailers. Noticed the other day that the outlet gauge was stuck on 20psi. I fiddled with the regulator to see if it would adjust and it didn't. Went online to search out the issue and found suggestions to unscrew the regulator and look for a broken piece (apparently this is an issue with this brand and model). However, mine was intact. I took a pair of needle nose pliers to try and take out that, what is it, a diaphragm?, but it wouldn't budge. Noticed a bit of oil around that piece as well. Thought better than to try and force it out so I put the regulator back on and lo and behold the gauge corrected itself. While this is good news, for now, I don't know why it corrected and that's bothering me. I may have "magic hands" but after 36 years of marriage I've never heard that compliment . So, what do you think happened and is that oil in there normal? I'm betting it is an oil-less model so I'm unsure as to why it's there. I've included a pic of that diaphramy thingy. Thanks.

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Last edited by PJmax; 01-14-20 at 05:39 PM. Reason: resized picture
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Old 11-26-18, 09:36 AM
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Screwing the regulator clockwise should raise the pressure, while turning is counterclockwise will reduce the pressure and unscrew the cap in the process.

I would suggest that if you haven't already damaged it that you should try screwing the regulator all the way in. I can't speak to your other questions.
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