Question about Dewalt Heavy Duty 2 Brad Nailer Compressor Combo Kit
On this particular issue, I agree with trpabc, given the description; you most likely need a new pressure switch. It's unlikely that it suddenly got out of adjustment, therefore a new one is in order.
I had the same issue you had, and after reading your post, I went down to my garage to investigate... Turns out the valves in the compressor are just simple reed valves, like on a 2-cycle engine, and my inlet valve had some gunk baked on it, which didn't allow it to shut all the way, giving me only 60 PSI. I cleaned all the parts with a wire brush, then polished the surfaces with 1000 grit sandpaper, and it runs like a new one again. :o) I don't think you can actually crack those thin sheets of metal...
Posted on Jul 13, 2009
Make sure it is actually achieving full shutoff pressure. I had the same compressor and had a valve crack and the compressor would run nonstop but never got above about 40 psi.
Posted on Jun 18, 2009
You probably need a new pressure switch.
It is possible that you can adjust or repair it also.
It is best if you unplug the compressor before working on the switch to prevent shock.
There is usually a nut on a threaded rod that forces against a spring.
If you have too much pressure, you usually back off the nut and it will shut off at a lower pressure.
On a single stage air compressor 110 - 120 psi or less is appropriate.
Posted on Apr 15, 2009
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Posted on Jan 02, 2017
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