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We have a Sullair LS-160 compressor that has lots of oil coming out of the air intake housing. What could cuase that.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

rockitman187
  • 2559 Answers

SOURCE: After removing and replacing a completely shredded

It sounds like you have a valve floating.

Posted on Feb 22, 2009

  • 98 Answers

SOURCE: When shutting down the compressor, oil comes out intake filter

Inlet valve needs to be rebuilt its not closing when the compressor goes to unload or shuts down

Posted on Jul 20, 2009

ollie reece
  • 1167 Answers

SOURCE: I have a Sullair 185 air compressor. The engine

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

compman66
  • 169 Answers

SOURCE: compressor runs but will not air up pass 10 psi

sounds like something has compromised the piston or rings. would advise you remove the cylinder head and inspect cylinder and bore, think you will no doubt find something broken.

Posted on Jan 25, 2010

  • 1 Answer

SOURCE: Portable Compressor Model # P175 WD runs fine

Replace the spring, ball and valve seat mounted on the bottom under compressor end. They are inside the metal housing connected with four hex head bolts. The large hose from the air receiver is connected to this housing and will also have to be removed. The ball seats against the valve seat to keep residual air pressure when compressor is shut down from forcing oil back up into intake.

Posted on Jun 08, 2010

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would say dust has done something to do with it
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first ..in simple words
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I have a sullair 185H overheating, where do I find the thermostat?


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Craftsman Air Comp. 6 hp oil-less, 33 gal horz. tank - sounds really loud


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I have a sullair ls - 120 we have been having problems with it getting hot and shuting off oil levels have been fine we have tryed different oil types we have took apart the unloader valve cleaned it and...


Get yourself a temperature gun and check a couple things:
1) Measure the oil injection temperature to the airend. This is a line going into the bottom side of the airend. 2) Measure the discharge temperature from the airend (this should be the same reading as the temperature gauge/readout on the compressor, but check to be sure)
You should get a temperature rise of about 25-30 degrees F over the airend. If you have more rise, you probably have an oil restriction: try an oil filter change.
If your oil injection temp is more than 160 degrees F or so, check the operation of the thermostatic valve. The thermo valve is a T shaped valve in the oil circuit. The oil line out of the bottom of the sump probably goes to a tee which splits flow to the cooler and the thermo valve. The oil goes through the cooler then to the other side of the thermo valve. The thermo valve should then mix the hot oil from the sump and the cool oil from the cooler to maintain the injection temp in the 150-160 degree range.
If you have cool oil coming from the cooler (should be maybe 140 F or less, and the injection temp is high, the thermo valve is bad. You can get a thermostat kit from your vendor to repair. If you've replaced the cooler, this thermo valve is probably the problem.

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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.

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We have a Sullair 100 GPQ lubricant recommendation


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