Question about Porter Cable Cable 135 PSI, 60 Gal. Oil - Lube Stationary Compressor C7510
Posted by Anonymous on
The motor will run until the pressure switch detects approximately 150psi in the tank. If it never gets to 150psi, it will continue to run. If you are not getting over 50psi in the tank check:
1. that the drain valve on bottom of the tank is fully closed. Don't use a wrench on it but it must be tightly closed by hand.
2. that you don't have any air leaks on the top end of the compressor or on your lines going out of the tank.
If these are OK, your problem lies either in a damaged valve plate or cylinder/piston. You can remove the head and check the condition of both the cylinders and the valve plate. All reeds on the valve plate have to be in good condition with no bends, cracks or warpage from over heating or debris from using the compressor with no air filter. The cylinders should be smooth with no scaring. If a cylinder is damaged you will have to also replace the rings or piston assembly. None of the air compressor companies make an oversized ring set so you can lightly hone cylinders but you cannot have them bored out oversized to correct any damage to the cylinder walls.
Posted on Mar 31, 2011
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Posted on Jan 02, 2017
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