Question about Psi Air Tools & Compressors
Before you pull it apart, put a couple of drops of sewing machine oil in the air inlet before attaching the air hose
they work from a sliding piston in a cylinder and if an oiler in the air line is not used,will dry out and the piston will not slide easily
other than that the end unscrews from the cylinder
Posted on Dec 07, 2016
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Posted on Jan 02, 2017
this sounds like a bad pressure switch.if the unit is not shutting off at the same pressure each time this would be the cause.2 if the pressure is not unloading the air pressure on the compressor side of the unit it will cause the unit to struggle when it starts a cycle because the piston is under a load .how this works is say the unit starts from 0 psi when it get to the desired pressure you have it set on the unit kicks off . the other adjustment most units have on them is what pressure to cycle back on.so when the unit reaches say 100 pounds ,it kicks off and bleeds the air off the compressor side so when it starts back up it wont start up with pressure on the piston.
Posted on Jun 22, 2009
if this is an older or much used unit, cylinder/piston may be worn, unable to push higher psi, which would explain no leaks. if newer unit, seems like regulator unit/valve faulty
Posted on Jul 24, 2009
your not return balve is stuck open or your valves are sticking the pressure from the tank is going back to the pump so when the compressor goes on the compress stroke its very hard as it has to open the valve with pressure behind it its hard to explaing buddy but on the tank you wil see anon return valve from the pump unscrew it and inside is a rubber with a spring turn the rubber around and try this if doesnt work you need to inspect the valves (if sticking) good luck
Posted on Sep 02, 2009
to repair this problem (a) the pressure switch is not working,(b) check valve or non return valve sticking(stripe down repair and refit)
Posted on Sep 29, 2009
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