Campbell Hausfeld HL7013 won't build past 120psi

by Kyle
(Borrego Springs, CA)

I recently got duped when I bought an HL7013 5hp, 60gal compressor from a guy who told me that it worked great, just needed to be cleaned up a bit.


Ha!

More like it almost works great after I tore the pump down and dig out an inch of dirt and sludge, honed the cylinder (by hand), replaced the rings, and cut out gaskets out of a sheet of gasket material.

I also had to replace the bottom drain valve, pressure gauges, air hose fitting, drive belt, and repair the cracked plastic switch box housing. Oh, AND I had to buy and install a new electric motor because the old one had been burned out by the “honest Texan” who basically tried to charge me to throw away his unwanted, broken garbage compressor! What a jerk-off!

Anyhow, I got it all fixed up and put back together and it purrs like a kitten except for the fact that it now reaches 120psi or so and then won’t go any further, but continues to run.

There are no leaks and she’ll hold the 120psi after I shut it off, indefinitely.

I’m pretty proud of myself for getting her to this level of operation, but she’s not quite all the way to where she needs to be...

At what pressure is it supposed to shut off automatically?

Is there a way to adjust this?

Is there anything else that I should be checking out to solve this problem?

Thank You,

Kyle

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Oct 19, 2017
Campbell Hausfeld won't build past 120 PSI
by: Bill

Specs:

CAMPBELL HAUSFELD HL7013, 125 PSI
Brand: Campbell
Campbell Hausfeld 5 H.P. Single Stage Reciprocating Air Compressor
Specification Description
Output 11.8 CFM @ 40 PSI
9.4 CFM @ 90 PSI
Maximum Pressure 125 PSI
Motor 5 H.P. 240 Volt 1 Phase
60 Gallon Vertical Tank

Won't build past 120... from all the work you've done, I'm going to guess that you may have a gasket leak at that level, Kyle.

It looks like it might be a Condor pressure switch on this model. Check yours under the lid to see what make it is. If Condor, and many other brands, you can adjust the cut out lower to help it shut off sooner, rather than having to pull the pump apart again, and if 115 PSI or so will suit your needs.

Make sure no air is leaking from the oil sump, as if so, that points to piston ring blowby.

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