Question about Champion International Champion 2 Stage Gas Air Compressor Hgr73k

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Air compressor cut off after building up pressure

Builds up pressure but it won't stay on once in use. it will crank back up right away and it'll build up 100 psi, my setting, but after starting using it will cut off again and again and again.

Posted by Anonymous on

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Posted on Jan 02, 2017

compman66
  • 169 Answers

SOURCE: compressor not cycling and building pressure after servicing

I would reset the low oil lever switch if it has one, common problem if you do not know it is there! check your owners manual.

Posted on Dec 01, 2009

compman66
  • 169 Answers

SOURCE: champion compressor pops manifold relief on head

depends on what relief valve it is, if it is a 2 stage pump and it is the relief on the inner-stage that is lifting indicates the second stage is not pumping correctly! I would check for a broken valve. if it is the one on the discharge line to the tank, then something is restricting it, check for blockages in the line or in the check valve entering into the tank. Most important you isolate the compressor and drain all air pressure before you attempt any repairs

Posted on Dec 29, 2009

  • 33 Answers

SOURCE: builds up pressure pop off valve at tank opens will not regulate pressure

I would say you have a problem with your pressure switch, you may need to adjust it down. The pressure switch is normally located under plastic cover where your on off switch is on the compressor. There should be a screw with arrows next to it. Try that, otherwise you may need a new switch

Posted on Oct 01, 2012

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1 Answer

Pressure won't re-build after cut-in


So you are saying that it starts and builds pressure and then shuts off, then when it comes back on again, there is no pressure? Sounds like the unloader valve is sticking open.

Aug 08, 2013 | Craftsman 3 gal. Air Compressor, 1 hp,...

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I have a porter cable compressor, but the pump won't shut off, and the pressure won't build it


Hi

Here are a few things to check, you may have already checked some of these.

*Electricity...Compressors will run best with full 115Vot 15AMP/Or 220V electrical supply from a circuit, over the shortest electrical cord as possible.

*Air Leaks..Place your ear close to the compressor and listen for air leaking, if you hear air that is not normal and means you have to locate and repair whatever it is that is leaking.
*Check the air unloader valve... The air unloader valve will blown out air when you turned off the compressor, that is normal.
But it should not have air leaking out of it all of the time. If so then it is faulty and in need of repair/replacement.
*Valves...If either the intake or exaust valves fail, breaks, or fails to seat, then your compressor will run 24 hours a day and never build up to the correct pressure for shut-off.
*Gaskets...Check to see if your gaskets have failed.
You could have a gasket failure between the pistons and you will never know it because it shows no external air leak.
If this situation happens then the air will only cycle between cylinders and never build up the correct air pressure.
One way to check the gasket is remove the air filter, then put your hand over the intake.
If correct then it will **** you hand against the intake.
If the valve or valves have failed then you will feel the air sucking in and blowing out.
*Piston Rings and Cylinder...The piston rings could be stuck,broken, or worn and not allowing the correct pressure to build up in your tank.
A worn cylinder will also contribute to the problem of pressure build-up.
*Pressure Switch...Check for air leaks at the pressure switch, it has a rubber diaphram that can fail and leak air out of the system.
Please take time to rate me
Bud

Nov 01, 2012 | Porter Cable Air Tools & Compressors

1 Answer

EASTMAN11607 WON'T BUILD PRESSURE, MAYBE IT'S THE REED?


try puttingafew drops of linseed oil in the air intake, if it is oilless, or check to see if the oil is too low if it is the oil type.

Oct 06, 2012 | Air Tools & Compressors

1 Answer

Cf2600 won't build pure pressure. Could air intake be stopped up. Had dirt dobber stop up on older compressor. Where is air intake. Can't locate.


No there is not a filter. Since the pump is enclosed in the plastic covers there would not be a way to service it. Now if it is not building any pressure then it could be a few things. First would be the drive belt. (item 125) If it breaks then it won't pump at all. Also if the air hose that exits the pump (item 122) gets a hole in it then it won't fill the tank. A worn head valve plate (item 106), blown gasket (item 105), or a worn piston and sleeve (items 109 and 112-2) can also cause this. If the check valve into the tank (item 16) gets stuck open it too will limit how much the compressor will pump BUT usually it will build up some pressure then just keep running without building any higher pressure into the tank.

Here is a parts diagram so you can see where the belt and other parts are located plus it contains all of the part numbers.

PC CF2600 diagram

Aug 23, 2012 | Porter Cable Air Tools & Compressors

1 Answer

Salon tc 60 airbrush compressor won't build up over 17 lbs pressure.


Either the pressure switch needs adjusted or the compressor needs rebuilt.

Jul 27, 2012 | Hobbypet TC60 Super Quiet High Performance...

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Craftsman 1 HP 8 gal vertical compressor.919


Sounds like the unloader valve is not working properly. The unloader typically is at the end of a tube going to the pressure switch. The unloader is tripped when the pressure switch cuts off. The purpose of the unloader is to bleed the pressure from the cylinder when the compressor cuts off so the next time the compressor cuts on it will be starting in an unloaded condition.
when the compressor cuts off you should hear a discharge of air for about 3 to 5 seconds if the switch is working properly. The unloader can be adjusted if necessary by loosening the jam nuts and adjusting the unloader towards the lever on the pressure switch.

Apr 05, 2010 | Air Tools & Compressors

2 Answers

Compressor runs fast but air pressure stays low


hi your problem seems to bee that your valves are either broken or not seating properly
visit your local dealer and purchase a new valve set once fitted your machine will work fine
hope this helps ian

Mar 24, 2009 | Campbell Hausfeld Single Stage Air...

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