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Low sump pressure - Ingersoll Rand Air Tools & Compressors

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Well with out a model number this is a tought one , but if your unit is less than 10 hp the low sump pressure is most likely caused by a dirty suction screen or worn out oil pump if its over 10 hp then low sump most likely is caused by a dirty inlet air filter

Posted on Sep 27, 2014


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Gasget trash inside motor caused low pressure,each time change oil an filter not workin this time,pressure drops the faster I go,

You will need to drop the pan and clean out the sump tube. It isn't a dirty filter that is the problem, it is a plugged up screen at the bottom of the sump tube.

Mar 29, 2016 | Jeep Cherokee Cars & Trucks

1 Answer

How to reset low unload sump

Low unload sump. Would love to help but don't fully understand question. Gas as in air conditioning or refrigeration compressors low pressure (HP/LP) devise can be auto reset or if manual reset, will have a lever or button to push. If it happens often, you will need a refrigeration mechanic.

With an air compressor, make sure there is correct oil and at right level. Unless a big industrial type, there should only be a pressure regulator to control compressor electric motor. Nothing to reset. Good luck

Nov 15, 2015 | Air Tools & Compressors

3 Answers

My 1985 nissan maxima keeps low oil pressure,I constantly have to fill it with up to qts. of oil,any solutions

Place a clean flattened cardboard under your car and see if it's leaking out. If it's not dripping oil, check your radiator for the presence of oil using a dye test kit available at NAPA. If there is a leak coming from under your car, try to determine from where it's dripping. Most common is an oil filter that hasn't been tightened properly or leaking oil sump bolt. A 1/4 turn on the oil filter should stop the leak, if its the sump... a new screw washer for the sump bolt will usually cure that. Check around the sump mounting bolts, if a fresh leak is evident, you will need a new sump gasket, don't try to tighten the existing bolts as it make leak worse! Tighten to torque specs. Otherwise, you are burning it up... exhaust smoke should be dark instead of light gray. White smoke indicates a blown head gasket and the oil is getting into the engine.

Mar 12, 2015 | 1985 Nissan Maxima

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I've got an Peugeot 308 1.6hdi which when on a long journey comes up with low oil pressure stop had the car checked by a mechanic and he said he can't physically find anything wrong with it the oil pr

Engine is not getting enough oil to build the pressure. Either downpipe in sump is partially blocked or the oil pump is not good or oil filter is congested. I once opened the sump and guess what " Sump pipe was just screwed with one screw with a gap on other side causing the oil not being sucked properly". There is a pressure tester method just google it and try to find the bad oil circulation point.

Aug 30, 2014 | 2008 Peugeot 308 1.6

2 Answers

Check sump pressure? can you tell me what that means

Sump pressure is the back pressure created within the oil sump by pressure leaking past the piston rings. The pressure is usually very low due to the venting of the sump thru the oil sump vent (usually a tube or removable plug used for adding oil). If the vent was replaced with a plug, then pressure will be very high and cause oil leak. Higher sump pressure is also caused by adding too much oil into crank-case. If you are having other problems with compressor, post again. Good luck.

Dec 26, 2013 | Air Tools & Compressors

1 Answer

Low sump air

I think you have this posted in the wrong section, this is for car and truck problems. Please re-post in correct category.

Jun 15, 2012 | Cars & Trucks

1 Answer

What would cause load unload sump pressure?

Is this a rotary screw unit? Was it low unloaded sump pressure? If so the most probable cause is the minimum pressure check valve located under the aluminum cap on the seperater tank (oil tank). The check valve piston binds in the housing due to rust, dirt,etc. If you are going to attempt the repair your self I would recommend purchasing rebuild kit before disassembly.
If this problem is with a 2475 unit I would look at the pressure switch. If you are saying the unit starts/stops/starts etc and it is equiped with a low oil level switch the oil level is low. fill it to the oil fill plug threads.

Mar 03, 2011 | Ingersoll Rand Type 30 Fully Packaged Ir...

3 Answers

Low sump pressure

compressor shuts down on low sump pressure

Oct 19, 2009 | Ingersoll Rand Air Tools & Compressors

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