Question about Chicago Pneumatic Qrs 5 HP/3 Phase Rotary Screw Air Compressor

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I have oil leaking out of the air inlet filter on a qrs5.0 any ideas what the problem would be?

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If it is an oil bath air filter, overfilling the filter could do it.

If there is excessive vibration that could cause it.

Possibly during shutdown some backflow of air occurs.

Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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I have fuel in my oil and air filter smells of fuel bike runs ok Honda cb750f2n 1994.

if you have fuel in the oil the carb inlet needles are leaking by. replace or clean them. change that oil,out too and the filter. check float levels while your in there

Jul 16, 2017 | Honda Motorcycles

1 Answer

Car has delayed reaction time when I push the accellerator on the highway. 2. car shuts off at stops signs and red lights

There's a few possible causes which include blocked air filter or fuel filter as well as a clogged-up fuel injector.

Also consider an air leak - air being drawn into the injection system somewhere (or via a gasket on the inlet manifold). To check for an air leak, start the car and spray a light penetrating oil such as WD40 around the inlet manifold and pipework (including flexible rubber connectors) on the fuel system.

If air is being drawn in somewhere it shouldn't be, you may well get a cloud of whitish-blue smoke from the exhaust as the penetrating oil is also sucked in and burnt

Sep 17, 2013 | 2003 Buick Rendezvous

1 Answer


change main jet in the carburettor install K&N air filter and iridium NGK or DENSO spark plugs tune up your engine change oil filter and oil. Flush your radiator check tyres pressure, Check engine compression and air leaks from inlet manifold ,Run hi octane fuel and injection cleaner mix for 250k to clean the carbon in the cylinders ,check for fuel hose loose ,carburettor leaks,distributor cup aluminium contacts to be clean, Vacuum hose on distributor unit for suction for advance timing .

Sep 20, 2012 | Mazda 323 Cars & Trucks

1 Answer

Oil came out of air filter

check your Turbo Charger.....looks like leak from Inlet side

Sep 02, 2012 | Electrical Supplies

1 Answer

Ok i just bought a 02 yz250f ran great for a while then started fouling plugh now it wont run at all ive done everything i can think of spark plug oil gas oil filter air filter etc still nothin it started...

That's a 2 stroker, the problem with two stroke is usually air tightness.
There must be no air leaks from the engine block to the piston block. Check if there is a suspected air leak around the base of the piston block, engine block( carburetor inlet side ), and reed valve. You could see a leak if there is some 2T oil coming out from those areas.
Check also the reed valve that usually breaks down in two stroke engine, the flaps should seat tightly without any leaks.
Check all of that and tell me afterwards what happen.
Hope that helps you out.
Thanks for using FixYa!

Jul 07, 2011 | 2008 Yamaha yZ250F

1 Answer


Fuel/air ratio is correcting rich for an overly lean condition.
Possible Causes:
Fuel System---Exessive fuel presser, Leaking fuel injector(s), Leaking pressure regulator, Low fuel pressure or Contaminated injector(s).
Induction System--Air leaks after the MAF, Vacuum leaks, Restricted air inlet, PVC system, Fuel purge system or Improperly seated dip stick.
EGR--Leaking gasket, Stuck open EGR valve or Leaking diaphragm.
Base Engine--Oil overfill, Cam timing, Cylinder compression, Exhaust leaksbefore or near the HO2Ss.

Jul 06, 2011 | 1996 Ford Escort 4 Door

1 Answer

My toyata 1994 automatic gear is consuming fuel more than usual..i replace oil , air filter, ignition bulb

inlet manifold loose tighten all bolts, or air coming in , spray wd40 around the air intake if the revs go up, you have an air leak fix as required

Jun 08, 2010 | 1994 Toyota Corolla

1 Answer

Noise at the valve on the my Pro Series Hayward Sand Filter

yuo may have air leak check gasket if clean check the inlet pipe add siicon around

Aug 09, 2009 | Hayward SAND FILTER, PRO SERIES

4 Answers

When shutting down the compressor, oil comes out intake filter

hi there,
well,if your air compressor was shut off this due to pressure switch w/c auto switch off your compressor,the pressure switch acquired already the cut off pressure.if the pressure goes down the cut in set up reached it will start your compressor
to run.
regarding oil spillage when shutting down check the oil level on the sight glass of crankcase
a red line indicate oil should not exceed on that level line,if the oil exceed try to drain oil.,on the side bottom of engine there is a drain plug.until on limit level .,besure that machine is shut off/breaker is off.have a nice day don't forget to rate me,thank's

Apr 28, 2009 | Ingersoll Rand Type 30 Electric Driven Two...

4 Answers

2000 ford f250 super duty 4x4 7.3L diesel oil leak

The HPOP (high pressure oil pump) is right under the filter housing. There are 2 lines that distribute the oil to the cylinder heads. The o-rings on those fittings go out. Kit is available from Ford or International. You will need a special wrench to get to the fittings though.

Jun 06, 2008 | 2000 Ford F250 Super Duty Crew Cabs

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