Question about Air Tools & Compressors
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Posted on Jan 02, 2017
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
ITS A POSSIBILITY AND YOU BETTER HOPE ITS NOT SPINNING BECAUSE THE SCREW COMPRESSOR IS LOCKED UP. CHECK THE OIL LEVEL IN THE SUMP AND SEE IF THE ROTOR WILL TURN WHEN NOT RUNNING. TYPICALLY THE DIESEL ENGINE WILL TURN HIGHER RPMS WHEN IT HAS NO DRAG ( NO COMPRESSOR HOOKED UP ). YOU CAN GET THE PARTS FROM INGERSOL RAND OR ANY RENTAL YARD - UNITED, PENSKE, SUNBELT, ETC. THEIR MECHANIC SHOPS ARE USUALLY FOR HIRE AND CAN EVEN INSTALL IT FOR A CHARGE. ALSO MAKE SURE NOTHING BUILT A NEST IN THERE. IF YOU REMOVE THE SCREW, MAKE SURE AND WATCH FOR SHIMS. THOSE SHAFTS NEED TO LINED UP PERFECT TO REDUCE VIBRATION. GOOD LUCK
Posted on Apr 07, 2009
most have safety shut downs built in, on the compressor side you will have a high discharge temp shut down, usually set to shut down @ 230 degrees F. normal temp should be @ 180F if it is running hot first check oil level on the compressor, and that the radiator is clean. some machines will have a thermostat that will only allow oil flow to go to the radiator after it comes up to about 150 degrees F. you really need to have a manual on the machine to see what other safety's it may have on the compressor and engine side as well.
Posted on Jan 09, 2010
Testimonial: "Thank you very much for responding. It was a little low on coolant. The comp. oil level was fine. I changed the fuel filter and the prob is gone"
SOURCE: Sullair 185 screw compressor
The sullair 185 has a low oil pressure override button that you have to hold in while starting. after the oil pressure builds up(takes about ten seconds) you can release the button and the machine should continue to run.
Posted on Jul 10, 2010
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