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NorthStar mod# 4116091266 Compressor

Oil filler has a breather attached, is it suppose to be misting oil out of the breather tube?

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

trippssmengi
  • 76 Answers

SOURCE: Blowing oil on an 8HP craftsman snowblower

That is a breather tube, I can't picture the motor off the top of my head but that tube is either connected to the valve cover or if the tube seems to go up over the motor then that tube goes down into the motor. If it's the one thats connected to the valve cover then it's possible there is to much oil in the valve box. If it's the one that seems to go up over the top and in then if your just alittle to much over full you'll get oil out of that tube cause that tube sits alittle above the oil level.If your oil level is right on the line then I would run it for a bit then check the oil level. If the level is still good then you should be ok but keep an eye on it if it continues to blow oil out I would take it in to get looked at futher.

Posted on Jan 04, 2009

renx
  • 71 Answers

SOURCE: Omron nebulizer will not mist. All tubing is intact. What to do?

You'll read a lot about making sure that the filter is clean and that the medicine cup is cleaned and that hard water can effect the operation of the nebulizer. However, the problem is most likely in the pump. Even though the pump is running, it is not pushing enough air into the medicine cup. You may even feel air coming out of the tube. When unrestricted, the air will come out, but, once restricted by the medicine cup, the air may not be fast enough to nebulize the liquid. If you want to confirm this, take the tube and hold it to the end of a bike pump, if, while pumpung, you successfully see mist, then you know for sure.

Fixing the pump is not too difficult. Over time, the chamber where the air is compressed becomes dry and, just like a dry bike pump, the air escapes from the chamber due to poor seals. The pump is pretty simple. Make sure it is unplugged from power and remove the screws holding the housing together. Inside you will see the motor, a fan, a power switch and the intake and outtake tubes. Follow the outtake tube to the pump. The junction where the tubes meet the pump is the location of the air chamber. You may need to remove the screws that secure the tubes to the chamber. Once apart, take some grease and lightly coat all of the interior surfaces of the chamber. When finished, reassemble and you're good to go!

Posted on Apr 21, 2009

  • 1 Answer

SOURCE: Kolher 17hp motor blowing oil/gas mix out of breather tube

I had the same problem! I found that the needle valve in the carb was not shutting off the fuel flow when not running. Either replace needle valve or put a shut off valve in the fule line. Should take care of the problem

Posted on Apr 28, 2009

bozcro
  • 867 Answers

SOURCE: air compressor shoots oil out of fill tube / only 70psi.

i would say air is getting through piston rings and needs rebuild

Posted on Aug 21, 2009

  • 8404 Answers

SOURCE: How do you clean breather hole on oil breather cap on air compres

Yep - that is what I would do ... find it and run something through it --- maybe blow a little air through it.

Posted on Dec 30, 2009

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1 Answer

Front axle vent tube leaks out oil


You are likely to get an oil 'mist' from a vent or breather tube -this is quite normal. The 'mist' cools around the breather and forms a small oily patch. on the axle casing.

Are you certain that the oil is coming from the vent tube and isn't due to a split in the metal casing or from the gasket/seal?

How much oil are you losing? The only other way you would lose oil is if excess pressure was building up inside the differential and to be honest, it's difficult to see how this would occur unless it has recently been over-filled with oil.

If there are drips of oil appearing on the ground underneath the axle/differential chances are that it's the cover seal or the pinion seal at fault. The pinion seal is where the driveshaft/propshaft attaches to the differential. The cover seal is the gasket between the metal cover where the filler plug is and the differential casing itself.

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Follow the breather hose(s) to where they meet the engine and that is where the pcv valve is usually to be found if your engine has one; valve cover, crankcase or inlet manifold are the likely locations.

Not all engines use a pcv valve. Many engines just have a tiny hole into the inlet manifold which typically soon blocks and needs cleaning.

Ford was one of the manufacturers who in the early days of a pcv system being required, used an oil filler cap to attach the breather system to and the tiny hole was inside the cap along with the flame trap and oil mist filter.
That like many of the plastic pcv valves was intended to be a throw-away item.

I hope I have helped you a little.

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I have a 1978 Cj5 Jeep with a 304 V8 in it, so I have two questions.One is, the pcv valve in the back of the intake where does the hose coming from the pcv valve go to? The second is the hose on the oil...


The PCV valve hose runs from the manifold to the filler cap. It is there to suck the combustion pressure out of the sump on throttle manuplitation

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there is a tube that comes out of the oil tank and it vents out under the bike somewhere and there is a little filter that is connected to the tube

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The oil breather/separation system ends up in the induction pipe throat and the oil mist that does not get eliminated in the breather process is then sucked into the induction system and burnt n the engine. If your oil level is too high or if the breather system is defective this will cause excessive oil to end up in the air cleaner area. If the tubes etc that direct the oil into the induction system throat are missing or defective this would also add to or cause an excessive oil in the breather area problem.

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1 Answer

Air pressure coming from oil filler neck


Could be any one of a number of problems but first i would check the engine breather which will be a tube from the rocker cover to the air intake as in this tube could be a gauze wire filter and this might need cleaning but iam not familar with this engine so i honestly couldnt tell you where to look for the breather or even what it looks like on this engine which iam assuming is a indian built engine .

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Oil blowing out throttle body on filter and blowing down the side of bike. I had a new crankcase breather valve kit installed one month ago. It was fine until two days ago. All o-rings were replaced also.


The oil may not be coming out of the throttle body. The crankcase breather system is actually in the rocker box covers. Yes, there is a breather gear in the crankcase but that is for the oil return to the oil pump.

The crankcase ventilation system vents crankcase pressure into the air cleaner as required by the EPA. The purpose is to route oil mist contained in the crankcase ari that is vented into the engine to be burned. There are 'umbrella valves" in the center section of the rocker boxes. Over time, the heat makes these pieces get hard and brittle since they are made of a type of rubber. When this happens, they don't stop the oil mist as well as they used to. The oil mist is blown into the air filter where it coaleses into drops of oil. This is normal for any Harley due to their engine design.

But, if it's too bad, I'd suggest replacing the umbrella valves. Simply remove the top and center section of the rocker boxes by removing the six bolts that hold the parts on the top of each cylinder. Replace the umbrella and the edge gaskets and replace the covers. Torque the bolts to 10-13 foot pounds.

Good Luck
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1 Answer

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Without any real detail about year, filter type or where the oil actually is "in" the carb I will try to answer. Oil can come from a few sources. The first is the breather tubes from the engine. If there is excessive blow-by the pistons, oil will be drawn into the carb through these tubes. There are also rubber check valves on top of the heads that can harden and cause the same issue. The last one is excess oil from a oiled cotton style filter (K&N). Either way, while in the garage, remove the air cleaner but leave the breather tubes connected. Get the motor up to temp and watch the tubes while reving the motor. If you see a heavy oil mist from the tubes perform a leak down check on each cylinder to identify the problem area.

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1 Answer

Blowing oil on an 8HP craftsman snowblower


That is a breather tube, I can't picture the motor off the top of my head but that tube is either connected to the valve cover or if the tube seems to go up over the motor then that tube goes down into the motor. If it's the one thats connected to the valve cover then it's possible there is to much oil in the valve box. If it's the one that seems to go up over the top and in then if your just alittle to much over full you'll get oil out of that tube cause that tube sits alittle above the oil level.If your oil level is right on the line then I would run it for a bit then check the oil level. If the level is still good then you should be ok but keep an eye on it if it continues to blow oil out I would take it in to get looked at futher.

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