Question about Craftsman 3 gal. Air Compressor, 1 hp, Tank

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Win my air compressor is filling up and it shuts of and air is beeing used it does not turn back on to fill the air tank back up

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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

  • 1 Answer

SOURCE: i have a 33g craftsmans air compressor oilless

have a 26 gallon air compressor , changed regulator switch but it still wont shut off

Posted on Feb 25, 2009

  • 89 Answers

SOURCE: compessor trips circuit

IT SOUNDS LIKE YOUR COMPRESSOR IS NOT UNLOADING WHEN IT SHUTS DOWN. YOU SHOULD HEAR AN AIR RELIEF SOUND TYPICALLY ON THE SIDE OF THE PRESSURE SWITCH WHEN IT SHUTS DOWN. ITS A SMALL VALVE WITH A TIRE VALVE THAT THE LEVER HITS AND RELIEVES THE PRESSURE FROM THE DISCHARGE LINE AND THE TOP OF THE PISTON.

YOUR CHECK VALVE COULD BE BAD LETTING PRESSURE BACK UP BUT IT WOULD BE BLOWING AIR OUT ALL THE TIME WHEN SHUT DOWN.

IF YOU THINK THE VALVE OR SWITCH IS WORKING AND WANT TO CHECK IT, LET THE COMPRESSOR BUILD UP AND SHUT DOWN, LISTEN FOR THE AIR RELIEF,IF IT DOESNT THEN CRACK THE DISCHARGE LINE AND SEE IF THERES ANY PRESSURE, MANUALLY RELIEVE THE PRESSURE THEN USE SOME AIR AND SEE WHAT HAPPENS. REPAIR VALVE ON THE SIDE OR CHANGE PRESSURE SWITCH $30-40.00. HOPE THIS HELPS. PLEASE REPLY. JODY

Posted on Apr 05, 2009

blueextc3221
  • 15935 Answers

SOURCE: Do I have to fill the tank with water if I am just

Water should NEVER go into an air compressor tank. It causes corrosion. Your goal is to REMOVE moisture before it goes into the air tool with a dryer.

Thanks for using FixYa - a Very Helpful rating is appreciated for answering your FREE question.

Posted on Jul 10, 2009

erpaalai
  • 999 Answers

SOURCE: Struggles to rev up, blows circuit

the unloader could be stuck or the check valve has let go. It is trying to restart against the pressure in the tank. Eric

Posted on Aug 11, 2009

buffalonyman
  • 1865 Answers

SOURCE: hi, my air compressor runs but is not filling the

If you do not hear the air escaping from a joint, then perhaps the piston is broken. You'll have to disassemble it and examine the compressor components

Posted on Nov 08, 2009

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1 Answer

Craftsman air compressor model 191.135131 wont build pressure


I can not find a Craftsman compressor with that model number anywhere so here are a couple things to look into. If the compressor fills to 70psi and keeps on running check the valve plate and piston/cylinder assemblies. Check that the valve reeds on the valve plate are not bent, broken or warped from heat. Then check that the wiper (oil less) or pistion rings (oil splash) are not damaged and that the cylinder wall is not scarred up. Any of these will let the compressor fill up to the point where the air pressure leaks past the valves or piston and won't fill any further. If the compressor fills to 70psi then shuts off the problem is in the pressure switch. Some have an adjustment screw or bolt to control when it turns on and shuts off. If you had a drop from 100 to 70 the springs may be weak or broke and you'll have to replace the switch.

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I got one of your compressors off a friend that had not used the unit in years, it say in his garage and collected dust. So I changed the plug and wires, got a new outlet in my garage for a 230 line and...


With pressure in tank test for leak at the check valve. Follow the discharge line from the pump to the tank. There you will find the checkvalve (usually brass valve). If the check valve leaks the compressor will be under load when motor tries to start and will probably trip breaker. Look for reset button (red button )on the compressor motor and push-in to reset. With pressure in tank the motor /pump should turn freely by hand. If checkvalve good and unit turns freely, test capacitor for proper valve. It should test to within 95% of printed uf/mfd. Good holidays

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1 Answer

Compressor initially starts up and fills tank to 120 psi with no problem. Compressor shuts off. When a tool is used the compressor tries to kick back on but hums and won't turn pump. If the "off"...


There is a small valve on the pressure switch that should relieve the pressure between the compressor and tank check valve. Make sure when pressure switch trips, it engages the relief valve and it bleeds the air out. Sometimes the valve itself comes loose and is not engaged by the lever in the pressure switch.

Oct 30, 2010 | Campbell Hausfeld 20 - Gallon Air...

1 Answer

I have a Central Pneumatic, 21 Gallon, 3HP air compressor. The compressor is exiting air through exthaust port.


If air leaks when motor is off, fault most likely in-tank check valve. Follow discharge air line from pump to tank. Brass/steel valve at tank is the check valve. Remove hose to valve and check for leak. Replace as needed. If air is leaking while motor is running fault could be reed valves in head. Faulty reed valves in head, or torn head gaskets will cause very hot discharge air and tank will most likely never fill to shut off (or take a very long time to fill)

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1 Answer

Air compressor fills up and shuts off corectley.


If it is a new unit, my guess is that it is still under warranty. If you go looking around too much you could void the warranty, and the truth of the matter is that it could be a defect. I would suggest contacting the store that you purchased it at.The may just give you a replacement.

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1 Answer

Tank does not fill to proper psi. tank fills to 60 psi motor keeps running but wont fill to 150 that its supposed too. when i shut off compressor no air leaking????


strip the cyclinder off and inspect the valves if closing and opening also check to make sure you dont have a blown head gasket also on the tank from the pipe from the pump unit is a gold valve you need to open the end off this valve with the tank drained and turn the ruber around with the spring inside and replace this if still doesnt work get back to me bud

Sep 11, 2009 | Air Tools & Compressors

1 Answer

Ingersoll-Rand DD2T2 air compressor


hi mate its either a fitting off the tank and it is just pumping air into the tank and out the hole or its the mpv valve this stops air in the tank bleeding back to the pump so when the pressure drops it can start other wise it wud not start as the piston is not possible to go up this is why when the compressor stops it bleeds off air in the system but to be honest i need more information to figure out what it could be e.g is it on pump unit or on tank etc

Jul 29, 2009 | Ingersoll Rand DD2T2 T Win Stack Single...

1 Answer

Starter valve dont close hatachi ec119sa (air compressor)


The start valve gives your motor a running start before the motor begins to load as the pressure increases from an empty tank. The motor strain is more profound when there is pressure in the tank. If you plug the valve, the motor will instantly encounter a heavy load because it has to force air into a partially filled tank. This extra load without the valve will shorten the life of the capacitors and motor windings. There could be two problems with your unit that can revealed by test. What actually closes the valve is a certain volume of air produced by the compressor. If the compressor is not pumping to full efficiency or there are leaks in the discharge hose the valve will not close. Or the valve is faulty. With an empty tank, plug the valve and run compressor and test airline for leaks with soapy water. If no leaks, empty tank of air and restart compressor and take note of the amount of time it takes to fill the tanks to shut off. If it takes an unusually long time to fill, then the compressor probably has valve problems causing low air volume. If the compressor fills to shut off in a short time frame as compared to a similar model then replace the valve. Leaking valves in the head will also cause the pump and discharge tube to run very hot. Parts are available at www.toolpartsdirect.com Good luck with your repair.

Apr 01, 2009 | Hitachi EC119SA Twin-Stack Air Compressor...

1 Answer

Air compressor fills, but slows down as the pressure builds


sounds like you need a new check valve which should be somewhere between the compressor outlet piping,tubing,etc and the tank which prevents the air in tank to back feed to the compressor which would cause hard starting and could damage the motor easy way to check is when you shut off the compressor with some air in the tank if the check valve is bad it would continue to bleed air out out the unloader valve .the unloader valve on your unit is most likely part of the pressure switch when the unit shuts of it should only bleed down the pressure in the pump so it would make it easy to start when needed hope i didn't confuse you

Mar 22, 2009 | Campbell Hausfeld Air Tools & Compressors

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