Has Pressure Switch Issues

My Brute 10 gallon will not cut off  The pressure switch does not cut off/cut in the motor just keeps running

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Bill says...

While the compressor is running, what ...

My PC compressor flips the breaker at 120 psi  First, thanks for taking the time and making the effort to help all of us newbies out here.

Now, I have a PC 135 psi 6hp 25 gal upright compressor. It ...

Reaches 125psi shuts off and blows air out of the valve attached to the tank  My compressor reaches pressure, kicks off and depresses a release valve in the LF 10-L4H switch that is attached to the tank by a tube. It gets down to ...

Mystery Air Loss - runs and puts no air into the tank and guages read "0"  Magnum dual cylinder (5 hp - HA!) 35 Gal Tank.Has run perfectly for 5 years.

Changed the oil yesterday now the air is disappearing.

I can't hear ...

Brute 10 gallon won't kick back on  I can turn it on with an empty tank and it will fill right up to 120 psi. If I'm using the air compressor frequently after it fills, it will drop down ...

after running hitachi gas air compressor won't start  after running hitachi gas air compressor for 30 minutes now it won't start

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Bill says...

There is so much information not hear ...

air compressor cycles on and off rapidly  When I plugged my air compressor into the 120 vac outlet, the motor starting cycling on and off in a rapid fashion. I cannot tell if it is the pressure ...

Pressure switch sticking  I have a 20 gallon compressor with a furnas integrated electric/pressure switch. 50% of the time when you turn the switch, its as if the switch isn't actually ...

Pressure Switch Adjustment, what is..  I can't find a pressure switch that is pre-set to the manufacturers high/low setting on an older compressor I have.

I use 2 compressors in series with ...

How to put a pressure switch back together?  21 gallon central pneumatic vertical air compressor

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Bill says...

Cebert, good question. Not all pressure switches are the same ...

pressure (cut in) adjustment.  I run a mobile service. my compressor holds 120 lbs. when it drops to 90 it kicks back on. I want it to drop to 50 lbs before it kicks on. how do i adjust
...

Have replaced the pressure switch, still the same  Compressor will not shut off. Replaced pressure switch with new one ($75.00) and still wont' shut off automatically, when shut off manually and then flipped ...

Air Compressor labors before cutting out.  Hi, on initial (cold) start-up the compressor sometimes works OK and reaches the nominal pressure although I've noticed that it now stops in the red band ...

My air compressor blows the circuit breaker as soon as i turn it on.  I got this used 6.5 hp 80 gal devil bliss air compressor from a friend for 250.00 so i wired it in direct, but as soon as i turn power on, it immediatley ...

air compressors cut out psi is lower than rated  my compressor is 150 psi but its cut out is 140 psi how can I adjust to 150 psi cut out?

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Bill says...

Nelson, if the ...

Adding an Auto Shutoff to a Binks Compressor  Hi,

I just bought a used compressor, a 1.5 hp unit made by binks with a quincy pump. The unit is older, but works well.

What I want to know is ...

Pressure Switch issues  I inherited a SpeedAire Air Compressor from my grandfather. It was moved from it's original location at his house to mine. Nothing has been done to it,...

Lowering the standard pressure in my compressor  I want to lower the pressure to which my compressor compresses air quite significantly. (To about 14 psi/1 bar) Would the best thing be to buy a new switch ...

My Central Pneumatic compressor model 94667 shuts off at 105psi and not at the 115psi it is rated for.  My Central Pneumatic compressor model 94667 shuts off at 105psi and not at the 115psi it is rated for.

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Bill says...

Yup,...

Speedair model 2Z355J doesn't stop running  Pressure gets buid up the safety valve opens and compresor is still running. The pressure gets build up past the set point. Looks like pressure regulator ...

Speedaire compressor(gas engine) 4b220a bawgs down and stalls .  This only happens under load while building air pressure in the tank. the remote throttle control works great, the rpm increases when load is applied. It ...

Not sure will my pressure control switch kicks in  Hello, I'm from Malaysia and I have a FIAC ECU 200 air compressor which I bought many years ago but stopped using it.

Lately, I took it out of my storage ...

Won't stay at pressure  porter cable pancake c2002, i just changed the pressure switch but didnt help. when i first plug in the compressor it will reach 150 psi. but after running ...

compressor over pressurises or continues to run after pressure is reached  compressor sits humming and trying to turn the motor instead of cutting out. It is a Ferm nail gun compressor.

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Bill says...

From ...

Craftsman air compressor problem  I have a Craftsman Air Compressor (15 gal). The problem started when I would turn it on, it would build about 20psi then shut off, it would start back ...

Compressor shuts off at 50psi  I have a Husky WL6703 air compressor. It has run great until fust recently. when I turn on the compressor, it will pressure up to 50 psi and cut off.

The ...

After my tank reaches max. psi the motor shuts off but air leaks out?  I have a 3 piston compressor 150 psi max. The compressor builds pressure to 150 than the motor shuts off normal. But when the switch turns off the motor ...

Intermittantly Builds Pressure  My 2003 25 Gallon Husky runs for a half a minute building pressure, then cuts off. It'll automatically start back up in about a half minute and continue ...

my 2 stage compressor hit the cut out-165psi then shut down and tries to restart thus blowinf the breaker  its an westinghouse v-twin 2 stage with a remote 80 gal tank. check valve or pop off mounted to the tank with a 1/4 copper line running back to the pressure ...

Jun-Air pancake compressor- wont shut off  I have a decade old Jun Air (wonderful, quiet, great pressure, but oil and maintenance are expensive) which i got from a life in a lab- now i use it in ...

Speedaire portable compressor model# 52032A-1 and my pressure regulator switch went out?  i have a speedaire portable compressor model# 52032A-1 and ny pressure regulator switch went out, and i have been searching for parts but i can't even ...

Compressor builds pressure then does not come back on.  I have a Husky 26 Gallon compressor that builds to 50 psi then shuts off and will not come back on.

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Bill says...

Hello ...

Husky H1506f will not shut it self off   my husky H1506f will not shut it self off when max pressure is reached

what could cause this problem..



Bill says...

Hello Kevin. When ...

Troubleshooting a pressure switch for Porter Cable pancake compressor  I am attempting to troubleshoot the pressure switch of a Porter Cable C2005 Type 2, 6 gallon pancake compressor, with a multimeter.

When I probe both ...

Probleme electrique sur un compresseur a air  Bonjour j'ai un compresseur a air Ultra Air PAC modèle # T-2820 et je veut savoir comment brancher ls 2 condensateur et la switch(avec le code de couleur ...

Guidance for wiring pressure switch  for husky m#h27508uwk year manf 2004



Bill says...

Hey Michael. Many pressure switches have the schematic for that switch stencilled under ...

Pressure relief switch  When my SEARS compressor shuts off, air is leaking from the pressure control switch. (brass fitting with an actuator pin on the bottom of the square D ...

on/off switch  Where can I find a Furnas electric cw208102av switch? This is off a Campbell Hausfeld compressor and I am not having any luck locating this switch.

Thanks
...

Craftsman/Speedaire compressor pressure switch change  I have an old Craftsman model 106153980 compressor and the motor never shuts off. Looks like the pressure switch is shot. It keeps pumping and keeps going ...

Want to adjust pressure switch down.  I have a Dewalt D55168, 200 PSI 1.8 HP 15 Gallon tank I picked up used the other day. Everything seems to run just fine except it hasn't cut off on it'...

Craftsman 125 psi air compressor dumps air too soon.  When you turn it on it will get up to 40 to 65psi and then release the air like it is full.



Bill answers...

Howdy, and thanks for writing ...

Changing pressure switch value.  I want to run two compressors in series. One has a high pressure cut off of 100lbs. and the other 145. I need to lower the 145 to 100 so the pressure relief ...

My air compressor doesnt shut off when it reaches 125psi like it should??  It should start at 90psi and shut down at 125psi. It just continues to run and I do not know why?? When I mess with the switch from off to auto it did ...

CRAFTSMAN PRESSURE SWITCH ( MODEL#919156650)  I DISASSEMBLED PRESSURE SWITCH IS THERE SOME INFORMATION ON HOW IT GOES BACK TOGETHER IF NOT WHAT IS A CHEEP ONE FOR REPLACEMENT
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The ...

compressers   i couldnt find a pressure switch for my dayton air compresor soi bought one for a campbell housfeild same pounds of pressure rating will it serve ...

want to adjust regulator - will not come back on until it reaches 50psi  Bought used montgomery ward brand air compressor. Pressure builds fine to 100psi and shuts down.

Problem is when useing finish nailer compressor will ...

compressor controls - pressure switches  I have 2 champ. uprights that are set up to run tandem.
Many of our tools are cordless now and we don't need that much capacity anymore.
They ...

vintage pelton air compressor  I have a vintage pelton air compressor. made in detroit. horizontal tank 10" dia 19" long. single stage powered by 1/4 hp ge motor the square d pressure ...

hai this is babu i have an issue with our compressor, the cut -in problem  i am facing the cut-in problem with our compressor, the cut-off is perfect but cutting-in is not stable. initially it is ok for 3 to 4 hrs but afterwards ...

pumps up and blows it all out...  pumps up and blows it all out not out the prv out of the housing

put on new housing still blows out

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Bill says...

Harry, what ...

my compressor does not have a pressure switch and it keeps working and it does not cut out is there any danger...  my compressor does not have a pressure switch and it keeps working and it does not cut out is there any danger to that what shuould I do

should i keep ...

Switch won't activate does not switch off  Compressor does not switch off when max pressure reached

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Bill says...

Rick, if the compressor keeps running past the normal ...

power craft 13 gal air compressor - PSI won't go higher than 30??  Hello, I have a small power craft 13 gal air compressor that has worked perfect for three years until one day the air pressure wouldn't go higher than ...

Blown plastic line to pressure switch  The plastic line from the tank to the bottom of the pressure switch, or pop off valve, continually blows a hole in it. How do I stop this?

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Compressor pressure switch / pressure relief valve lever/arm/plate sticking  Hey,

My compressor is a bit of a mut, but of good parts and I bought it that way. Originally a Gardner Denver unit now with a two piston cast iron ...

I need to increase the cut in pressure  My compressor has 150ltr tank and has a max operating pressure of 10bar so it charges to 8 bar and cuts out and then cuts in when it gets down to 4 bar ...

Pressure switch for a automan direct drive 5 HP. single stage 230 volts 80 gal. tank (single phase)  The compresor itself runs fine however it will continue to run whereby causing the pressure relief valve to blow and I have to shut it down manualy.The ...

compressor not kicking off at proper pressure  I have 80 gallon husky comp. and it doesn,t kick off at all. It keeps running until it blows the oil stick out. Is my pressure switch possibly sticking?...

pressure switch  is it ok if i bypass the pressure switch on my DeVilbiss air compressor. It is broken and I don't have a part number because it has been switched out ...

Craftsman gas compressor ... won't throttle down  when the pop off valve goes then it shuts off the engine. It won't go to idle.

Then there is no way on earth I can start again unless I take all the ...

my air compressor shuts off at 80% instead of going all the way to 100%  my air compressor shuts off at 80% instead of going all the way to 100%

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Bill says...

Amanda, the device that turns the air ...

HOW TO ADJUST PRESSURE SWITCH ON INGERSOLL RAND 100CFM  COMPRESSOR PUT OF TO MUCH PSI SO I WOULD TO RESET FROM 120 DOWN TO 90PSI THANK JIM

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Bill says...

Jim, read the PRESSURE SWITCH ...

Compressor automatically empties when i turn it off  I spotted a leak on one on the joints yesterday so i fixed it with thread tape. When i started it up to check the joint, it got up to pressure ok but when ...

pressure relief is not working  the pressure is set to go to 90 then back to 70 to restart. it goes to 100, sets of thew pop off on the electric switch then goes back to 70 and restarts....

compressor runs all the time and pumps only 40 lbs no air leak is heard  runs and never shuts off and only pumps 40 lbs.

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Bill says...

Joe, could be a number of reasons why your air compressor runs ...

Porter Cable Job Boss compressor will not stop running (not pressure switch)  Hello: I have a Porter Cable Job Boss compressor, that will not stop running. I actually have two, one that works fine. I took the pressure switch of the ...

the compressor runs until the relief pops on the unit.  My work compressor runs until it pops the relief valve on the unit. How do you adjust the pressure switch? there are 2 springs with a nut on each, 1 tall,...

Brute air compressor won't build up pressure due to tear in gasket  I have a brute air compressor and under the pressure switch, there is a gasket or seal (black) of some sort that has a tear. Where can I find a new one?...

dont know how to adjust hi lo pressure on off switch  do you know how to adjust hi lo press switch

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Bill says...

See the the PRESSURE SWITCH page on this site, for more information ...

Craftsman - I plug in the compressor and it runs up to about 45psi and goes no further but continues to run.   This is a Craftsman 7gal. 1hp model# 921.166390 purchased about 3 4years ago. I hear no air leaks if I turn it off manually and listen.Any suggestions?...

compressor starts find. at about 80psi it stops.  compressor starts find. at about 80psi it stops.a few seconds later it will try to start but the motor strains to start several times then when it does ...

Can I run two compressors on one pressure switch if they are all connected?  I have two commercial compressors with three tanks. All hooked together. There will be a starter for each motor. Can I run each motor with one pressure ...

I need compressor to turn on @ 110 psi not 90 psi, what do I adjust ?  Regulator has no knob's to turn.

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Bill says...

Typically, it's the pressure regulator (with the knob and gauge) that you ...

Titan Industrial TAC2-T - unloader valve / pressure switch adjustment  I have a Titan Industrial TAC2-T gas powered compressor. I have it hooked up to an 80 gallon tank. Currently the cutout pressure is set at 145 psi but ...

Shop air compressor won't turn on.  The air tank is empty. Electric service to the compressor is verified good. The auto/off switch is in the auto position.

I've noticed the auto/off ...

Pressure Switch Adjustment, what is..  I can't find a pressure switch that is pre-set to the manufacturers high/low setting on an older compressor I have. I use 2 compressors in series with ...

new switch won't work  Old switch was 4-port, new is 2 port. I re-plumbed the pressure line from the motor to the switch to include the blow-off/relief valve and gauge. All ...

regulator switch screw was ajusted  how do you set back to factory settings

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Bill says....

Dale, I am going to guess that by the regulator, you mean the spring on the ...

Pressure Switch  This morning I notice that below the pressure switch there was a small air leak. There is a small tube from the compressor to the switch. The leak is at ...

Harbor Freight - Pressure drops well below "set regulated" pressure  If the setting at the regulator is set at 100psi, it drops to 60-70 before the motor turns on to build pressure again. Did I mention it is a Harbor Freight ...

both contacts in the pressure keeps burning out  My pressure switch contacts keep burning out and my electrician keeps replacing it .

What is causing that to happen?

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Bill ...

pressure going too high - PRV blows  The compressor is exceeding the required PSI then blowing the relief valve.

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Bill says....

Scott, the likely cause is that your ...

Pressure Switch ~ guts back together   Cant get the guts back together need diagram

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Bill says...

Trey, I'm puzzled as to how the "guts" of your pressure switch got ...

compressor does not cut out on set point   trying to adjust pressure on a Zseries compressors model 225A

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Bill says....

Hello Jacob.

How come you are trying to adjust ...

JunAir Condor MDR 21-EA/11 Bad connection: won't restart  I have a JUN-AIR compressor with a Condor MDR 21-EA/11 pressure switch. The pressure switch appears to have a bad connection: when pressure builds up in ...

compressor comes on and goes off within seconds of each other  willnot run long enough to build any pressure

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Bill says....

Pull the plug, James. Drain the tank to zero.

Put a multi-...

Pressure switch doesn't kick off.  The pressure switch does not kick off when the compressor has reached its maximum pressure. The contacts weld together. The switch was burnt up and was ...

Eagle YL90L2 - Air compressor pressure  Gday,
I have an Eagle YL90L2 3.0Hp 50Lt compressor and want to know if I can adjust anything to keep the output at a certain pressure. Example: My compressor ...

Ingersol Rand T30 2420d5 wont kick on  IR T30 2420d5. Compressor only kicks on manually.

Initially it stopped working, I tested (w/parts from a known good compressor) the motor, all the valves,...

Won't turn off automatically  Unit starts whrn pressure is zero, but won't turn off.

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Bill says....

Is it that your compressor turns on at low pressure cut ...

Bauer Rotary Screw Compressor over heated  I currently own Bauer Rotary Screw Compressor 30HP made in 1989.

When I start the compressor, the pressure rapidly increases, causing the air inlet ...

ComAir Kellogg only works when reset is held in .  I have a Comair Kellog model B335UB sn V9J6186PFZI air compressor. It has a Baldor Industrial 5hp 3 Phase motor. It had been working fine for years. The ...

Compressor trips out the reset button on the control box.  When the compressor in our mechanical shop is used for a period of time it will trip out the reset button on the control box that is mounted on the wall ...

electric hook up for regulator (pressure switch) for compressor  have 240 for compressor but need hook up for regulator to shut off compressor

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Bill says...

Hello Robert.

If what you refer ...

model TC20 compressor factory adjustment  I have an airbrush compressor set and my model is like the tc20 series. I want to know how to increase the factory set pressure setting.
email busybuys@...

air compressor builts up to 145 psi and blows the pop off but doesn't cut off why?  i have change the cut off switch but did not help

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Bill says....

Chris, what is the cut out pressure level of your compressor ...

compressor not cutting in when pressure is lower than that set at regulator  My compressure is preset to 125 PSI.

I set my compressor regulator to 90 PSI.

After I work for a while with my nailer the pressure drops below ...

compressor does not automatically shot off  compressor does not automatically shot off. Brute 10 Gal

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Bill says....

If you are saying that your air compressor ...

Diaphragm on pressure switch is leaking.  I have an old red line 14 gallon compressor and the diaphragm is leaking air. I took it off and it looks like dry rot. My question is where could I get ...

Pressure switch failure ~ can't find a replacement  I have an old, about 20 year old, Ingersoll-rand T21. Its like pulling teeth trying to find the pressure shut off switch for this old girl.

The compressor ...

building pressure  will pressure up to 35pounds, shut off for a short time and start up again

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Bill says...

Norman, it runs up to 35 PSI and stops ...

brute aircompressor will not kick on.  I have a brute 15gal aircompressor model 074005,when the air pressure is low it wont kick on. Do you think its the pressure switch ?

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ADJUSTING THE CUT OUT PRESSURE HOW DO   HOW DO YOU RESET THE CUT OUT PRESSURE TO PUT THE COMPRESSOR INTO BYPASS MODE?

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Bill says...

Dave, you adjust the cut out pressure ...

setting cut in & cut out on my pressure switch  I know dont do it but in this case I bought a blow out deal at an auto parts store (mybad)and had to replace missing parts,tank relief vlv,oil breather ...

Does not cut off and on as advertised  I installed a Square D 9013 pressure switch which is suppose to cut off at 125 and on at 95 psi. But it doesn't.

I've tried adjusting the springs ...

Pressure switch won't shut off  Pressure switch replaced, compressor still won't shut off when psi max is reached. What else can it be?

Mike

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Bill says....

the compressor wont start automatically.  i moved the compressor this morning from one location to another. i rewired it to the panel. it wont start automatically but it run when i hold the ...

Replace pressure switch  I have a Homier Pancake Compresso. I have broken the base of the switch where it goes into pipe header. Can I find a replacement switch and repair this ...

compress keeps building air will not cut off  compress will run un till the pressure pop off swith comes on

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Bill says...

Fix it. Fast! If your PRV fails you could have ...

compressor starts and cut offs but return not start automatically  kirloskr compressor - compressor starts and cut offs but return not start automatically

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Bill says...

It starts OK, fills ...

cut in out - how to adjust  how do i adjust the cut in out screws
which screw does what?

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Bill says...

It would sure be of help to you if you looked ...

919.167800  i need to find out if i can adjust my cut-out pressure or if i need to replace something and if so what part?

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Bill says...

Hi ...

MY EMGLO AIR COMPRESSOR CUTS OFF AT 40 PSI  I GOT A EMGLO AIR COMPRESSOR USED FROM MY NEPHEW, IT WAS USED ON A JOB, THE COMPRESSOR CUTS BACK AT 40 PSI, WHEN YOU DRAIN THE AIR OFF IT COMES BACK ON ...

Compressor won't shut off after pressure switch replacement  My 30 gallon craftsman compressor would not shut off when it reached the right pressure, it would run and pump all the way to 200lbs! I ordered a new pressure ...

Compressor runs 4 a few seconds then stops and trips 20amp breaker  Husky 26gal oil upright air compressor.This unit has worked great 4 10 yrs until the other day.The air compressor run 4 few seconds cuts out and trips ...

thermostat cuts out compressor  compressor switches on for a few seconds only b4 thermostat cuts out.this cycle keeps on repeating as long as power is switched on. No build up of pressure ...

Compressor pumps up to 150psi then kicks off i want to know if i can adjust it to kick off at 90 psi  cambellhausefield 28 gallom 6.25 hp compressor. It kick off at 150 psi. can i adjust to kick off at 90 psi?

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Bill says...

Hi ...

Will not rebuild air back  Husky compressor will build up when it is first turned on, but when you start using the air and it gets down to where it is suppose to start rebuilding ...

Pressure switch for low PSI applications (50PSI)  Hello,

I'm basicaly lokking to build myself a 50 psi air compressor by hooking up a gast 72R142 rocking piston compressor to a empty air tank.

http:...

Compressor run until the relief pops and bleeds the tank.  The compressor continues to run until it is unplugged from the electrical source. The switch will not shut it off. I have pulled the cover and lubed the ...

When compressor reaches 110 psi it blows the breaker  I have a older champion 2hp 20 gal tank. model 20cv20pa magnetek motor and furnas switch. It blew the breaker at my house and friends house so i ruled ...

Not sure where to hook up wiring on pressure switch ( 6 wires)  I have a coleman powermate with a 5hp motor 115volt pressure switch # 034-0132 i need this fixed asap annd i need some help on putting the wiring back ...

Compressor does not idle down once tank reaches pressure  Compressor will sporadically run with no relation to tank pressure. It rarely idles down.

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Bill says...

I don't have ...

My (compressor) motor runs then shuts off and then back on and off again  I have a 2hp craftsman compressor and it starts out fine and around 25lbs of pressure it turns off and back on and off again. It continues to due this ...

Low pressure limit on the tank is too low.  We have a Speedaire compressor model no. 4B236B. Can I raise the low pressure limit on the tank so I don't fall below my pneumatic tool minimum requirements?...

Pressure Switch On/Off (x941 stamped on top of switch)  Speedaire Model 3Z355H 1 Pressure Switch on/off does not function. Any replacement part available?

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Bill says...

Hello ...

Compressor won't build up as it should  My compressor has 150 psi capacity, it shuts off at 75 psi then I have to turn off the power for a few minutes and then back on it will build up to 90 ...

Compressor shuts off early  Compressor shuts off with only 25 # pressure in the tank. I replaced the check valve and the pressure switch assembly since the pressure switch was broken....

compressor will not stop running  Craftsman air compressor, 20 years old will not stop running unless pressure switch on/off lever is moved to off position even after safety relief valve ...

will not shut off  when I turn it on it keeps running no matter what I set it on to cut off

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Bill says...

Hello mssmitty;

What you describe ...

Sears compressor  both motor and switch make a humming noise but compressor will not start?
How do you check the compaciter?

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Bill says...

If ...

Air compressor not filling to compacity  how to hook up pressure switch

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Bill says...

No a lot to go on here. It seems as though you have determined that your ...

Emglo dual tank compressor (electric) not shutting off  Pressure builds just find, but it will not shut off once it reaches the top psi. Instead it gets to the point of max psi for the unit and the safety valve ...

1/4" hose blows out of check valve  replaced check valve as per dewalt repair shop, but still blows hose to pressure switch. any help.

Cutting out on restart  hi ive got a atlas conpo compressor the problem i have is from a empty tank it fills fine and cuts out at 120psi when i start using spray gun and compressor ...

task force model 77813  runs up to 120 lbs stops & doesn't restart even if tank has no press. in it

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Bill says...

Hello Pete. If the compressor ...

Pressure builds to 30 psi then motor acts like it does not have enough juice  i have a 230 volt 60 gal and when i turn it on it builds to 30 psi and the motor shuts off and will not start .
it is hooked to 8-2 wire on a 30 amp breaker,...

My compressor builds to exactly 20 lbs. pressure then shuts off  My compressor builds to exactly 20 lbs. pressure then shuts off. It will not turn on again until it reaches 0 lbs. pressure, then I can turn it on and ...

Speedaire throughs breaker sometimes  I have a old speedaire uaually it works ok but some times it builds up to the normal pressure and it hangs up and throughs the breaker it seems like it ...

Pressure switch comes apart  hi my name is steve i have a ingersol rand t20 compressor i took the pressure switch off and didnt realize that it was under load and it came apart and ...

porta cable 150 psi compressor doisn"t stop  is running not stop i have to turn of to stop.
plz alp,,

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Bill says...

Hello Marcell.

From the sounds of it, I think ...

Air leak from pressure switch  Hi I just purchased a used pro air II compressor 5hp 26 gallons tank. I noticed the air leaking from the pressure switch area. This is my first air compressor....

Troubleshooting  I have Honda Rol-Air Compressor with 8hp Honda GX40 Max Engine. The Engine runs fine when run with the manual throttle control. But when I throw tab ...

Compressor stops before getting to limit of 150psi  I got a Porter Cable C2000-WK-1 air compressor that stops at around 145psi instead of the 150 that it was designed to stop at.

Then the pressure reading ...

Air Compressor won't stop  after the air compressor is fully loaded to cut-out setpoint, it continues loading and the motor amps increases greatly; e.g. from 92A (at cut-out) to ...

Compressor shuts off when redlines....  I have a 5.5 HP 8 Gallon Gas Titan Industrial Compressor that starts to build pressure, but when the pressure gauge gets to 125 psi, or the redline, the ...

Portor cable Pancke will not stop  I,m getting power right to that small thermal connector that is in line before the fuse . I believe the problem is that thermal looking connector.
thanks ...

motor runs but cuts out?  i had the motor checked out and theres nothing wrong with it? the motor starts just fine and runs the compressor for a short time and then the breaker ...

AIr Compressor Does Not Auto Shut off!?!?  I have already replaced the switch assembly, and still nothing it still keeps running and running... eventually when i see the pressur getting extremley ...

hitachi air compressor wont start at all (pressure switch)  Hi i have a hitachi air compressor it wouldn't start one day and i realize there was something wrong with the power cord.

i replaced it and it worked ...

Compressor won't kick back on  Compressor falls below the kick on point and when tries to kick on just sits and hums If you bleed the tank down between 20 and 30 pounds it will kick ...

Pro force compressor will not start  Power supply has been checked and the outlet works fine. When I flip the switch to turn my compressor on, nothing happens.

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Bill ...

Compressor will not shut off ...  MY COMPRESSOR WILL NOT SHUT OFF AFTER REACHING MAX PRESSURE

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Bill says...

This normally indicates that your pressure switch ...

Compressor cuts on and off and not pressure  My compressor cuts on and off with no pressure for the air pressure to work.I have a paasche d500.

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Bill says...

Hi Lisa....

compressor operates intermittently  When starting from zero the unit would charge to max.,i.e 125 psi and shut off as expected. But when the pressure reached 90psi the motor sputtered and ...

Compressor will hot shut off at pressure limit  I have huskey h 150 3tp 3 gallon compressor that will not shut off at 155lb pressure. have replaced 3 pressure switches, so know it is not that that. sounds ...

Starts to build air then shuts down  starts to build air then shuts down

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Bill says...

Starts to build air... for a minute, two, what pressure level in ...

Compressor is not shuting off  The tank has a PSI max.,of 175 pounds. I do not remember pumping up as high as it is. I have been turning it off manuelly at 140.
You can email me at ...

My air compressor shuts off at 80 psi and will not kick on again untill o psi  my compressor was just rebuilt with a new motor and compressor. My air compressor now shuts off at 80 psi and will not kick on again untill o psi.

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sears 919-152920 air comp. but won,t turn off  sears 919-152920 air comp. fills tank ok but won,t turn off

model # 919152920
4hp 25 gallon tank
won't turn off automaticlly

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My brothertook my pressure switch apart, and I can't get it back together!!  Hey there, Great site. Ok, I have a Central Pneumatic 47065, 21 Gallon Compressor - and it was running with direct power (plug it in to run) until Little ...

air compressor  I have a craftsman oil filled 3 horse compressor.
when it is first plugged in it runs fine but when pressure builds the compressor shuts off and all of ...

My compressor wont stop building pressure. It will not cut off when the tank pressure is full.  I have a Jenny dual tank will barrow type compressor. It pump pressure fine but just dosn't stop building pressure. I change the pressure regulator but ...

pressure switch  is there a wiring diagram for wiring the pressure switch on my dayton speedaire compressor

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Bill says...

Hello, and thanks ...

Where does the little spring go?  I have a husky 80 gal. compressor It has a condor pressure switch. One of the contacts fell out, so I took the cover out and a little spring fell out,...

CampbelllHausfeld Compressor runs one time up to pressure, will not turn on again while there is pressure in the tank (loud hum only)  RE: Campbell Haufeld unit, 5lb motor, 20 gallon tank I believe (classic blue unit you see in Costco, Sam's Club, etc.)

When I flip the switch on the ...

33 Gallon, 6HP Craftsman Air Compressor  For a long time it cuts on and off at times. Lately, it will not cut off and the PVR valve pops. I was wondering if it might be the check valve causing ...

Pressure switch  tell me how a compressor pressure switch works

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Bill says...

Delighted to, Jagath. Just have a look at the pressure switch ...

what is the valve that turns compessor on and off called?  the compessor will not shut off when rteaches max pressure

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Bill says...

David, you likely need a new pressure switch....

the tank fil up wen ful the motor turn of buty air leaks out from the botom of presure swith  went and by a new swith and the same thing as before whit the old one

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Bill says....

I don't think it's your pressure ...

Thank You  Thank you for the information on how to fix my new air compressor. I just cleaned the check valve and all was well again, it wasn't the pressure switch,...

Compressor won;t shut off automatically  Campbell-Hausfeld mode;l C1071080VMSA, magnetic starter, wired for 220.

Turn on power and compressor starts fine, builds to 175PSI, then pressure switch ...

Overloads Motor  My Cambell Hausfeld 2 HP air compressor is set to go off at 180 psi.

But as the air builds up to 100 psi the motor starts slowing down and the belt ...

Older Sears compressor just hums....?  Older Sears compressor, 220v, won't start when switch on at pressure switch. Just get electric humming noise.

This happens all the time. Pressure ...

used compressor  i recieved a compressor that is pretty old and in dis-repair. it is a craftsman 106.152740 paint sprayer. when i got it the compressor was locked with ...

My compressor won't shut off.  My compresor won't shut off. I replaced the pressure switch and still it won't shut off.

It's an upright coleman
120 max psi
oiless
13 gallon capacity
...

Compressor building too much pressure  I have a husky 7hp 60 gallon compressor. It turns on builds pressure up to 135psi then "pops" the safety valve and continues to run. It won't shut off....

Locating under pressure valve  My craftsman 30 gallon 6 hp compressor will run until it begins to kick the motor back on and it blows the breaker. I'm trying to locate the under pressure ...

How a pressure switch with single function works?  we are about to buy a pressure switch, but the problem we don't know what will be more suitable a double function or single function.



Bill says....

Moror will not shut off when high pressure is reached  I had a problem with the pressure switch not tripping the contacts. The manual on/off switch also located on the pressure switch would not work to turn ...

Air compressor pressure switch problems  Hi- I have a Classic brand air compressor purchased at orschelen a number of years ago.

It has an 80 gallon tank and two stage compressor.

The ...

Air compressor is exceeding it's maximum PSI rating  Hi, I have a Kobalt 30 gallon air compressor that is rated for a max pressure of 155psi. Everytime I've used it, I simply tighten the screw on the bottom,...

Champion dual air compressor w dryer how high can i set pressure switches?  I AM GOING TO FIX EVAP ALSO BUT RIGHT NOW NEED MAX PERFORMANCE FOR 3 OR 4 ROTARY HAND SANDERS.



Bill says...

Ron, be careful! The high pressure ...

Speedaire pressure switch issue  I have a Speedaire model 3z419, which is about 35 years old. The pressure switch is not working correctly.

The motor runs the pump until the safety ...

Craftman model 919.167310 30 gal. air compressor  Compressor is suppose to shut off @ 140-150 psi. It continues to run and if you don't shut it off manually it keeps on running up to 170 psi or more. Pressure ...

Compressor run-on  We have a Speedaire compressor model no. 4B236B that does not like to shut off when it reaches max tank pressure (135 lbs). What do I need to replace?...

How do you set the cut out switch on a reciprocating comppressor  we use the machine to fill air tanks to charge air guns the tanks are 300 and 200 bar.



Bill says...

Hi Monty.

The short answer, you don'...

Pressure Switch operation  I have a Speedaire portable compressor model 5F222C purchased at Grainger. I was using the compressor the other day and it would not shut off. I "thought"...

Husky 80 gallon compressor  My dad has this husky 80 gallon compressor. Its less than 2 years old. the unloader valve is suppose to release pressure for about 1 second after the compressor ...

Unloader valve  I thought it was a bad pressure switch or relief valve that was causing the compressor to bleed off air continually until it restarted.

So I replaced ...

do you have a wiring diagram for pressure switch hook up ?  we have a speedaire model 3z419j stage 1 the switch is a cw208102av 1 phase 120v 24amps Catalog No. 69lm2 series c.

Do you have a wiring diagram on ...

Campbell Hausfeld 13 gallon air compressor WL6500001AJ  The motor on my CH air compressor died; there is power going to the switch but not to the motor.

We had been using it with an angle grinder at semi-...

Compressor unloading problem  I have a speedaire compressor model 3JR76.
After it runs for an hour it sometimes does not unload when it reaches its set pressure. When this happens ...

Speedaire model 4B221 with a 4B225 pump.  Unit will not shut off by itself. What part need to be replaced? Thank You



Bill says...

In the absence of a lot more info, all I can surmise ...

Compressor wo'nt shut off  Replaced the shut off switch and the compressor still won't shut off?



Bill says....

G'day John. Nice to hear from you in Louisiana.

Okay,...

I'm building pressure but it is taking longer to keep up when I'm working it.   I've got a Craftsman 6.5 60gal air compressor. When I'm using the compressor it seems to keep up with the tool. But it's taking longer for it to get back ...

Why does my compressor keep running ?  My pancake compressor keeps running even after the hose is disconnected. I cannot detect any leaks.



Bill answers...

Howdy Ron.

Disconnecting ...

stops @ 80 psi  I have a Sanborn 89B200 given to me and @ 80 psi the safety value starts to leak air but the motor continues to run...any clues?



Bill wonders....

Air leak at the on off switch on a Speedaire.  I have a speedaire ml. #5z645c and after it pumps up to pressure it has developed a leak just under under the on off switch.

Once the tank pressure ...

How to adjust auto pressure kick on switch?  installed new switch pressure too high . how do i lower it?



Bill says...

Hi MX Junkie.

Look under the lid the the new pressure switch....

Leaking pressure switch.  I have a 5Z402B dayton compressor that has been leaking air at the pressure switch only when stopping. Is that right or do i have to adjust or replace ...

Air Compressor trips breaker when reaching high limit  Have a Husky 26 Gll. upright with a Condor 21 Pressure switch. It continues to run past cut-off limit (135 pds.) and then it trips the breaker. Do I need ...

Pressure Switch chatters at end of cycle/ shut-off  I have installed several different shut-off switches from square D to Furnas and now I am trying an Ashcroft with a Ray Pressure Snubber.

My problem ...

Compressor will not start when pressure fall kick out on overload.  Compressor runs fill tank cut off, when air pressure fall air compressor will atempt to start but will not start trips overload.



Bill says...

Thanks ...

Location of thermal shut down sensor?  Have a Sears Model 919.167160 2 HP 15 Gal. Pumps up to sixty pounds pressure and cuts out. Have changed the regulator does the same. Cuts out at sixty ...

Compressor not building pressure / pressure switch?  I have an oiless campbell hausfeld wl611106 compressor 5.5 hp.

My problem is When I turn on the compressor at the first of the day it will pump up ...

Wiring hook up questions.  How do the electrical wires hook up on the pressure switch?

On the electrical hookups on the switch it reads line on one side and motor on the other....

Adjusting pressure switch  Need to adjust the pressure switch on a older speedair horizontal tank compressor model 49200.



Bill answers...

Hi Steve and thank you for ...

When demand for air is high the pressure switch doesnt kick on properly.   I replaced the pressure switch and after a couple of hours of use the switch did not engage and allowed pressure to run down thus shutting my machines ...

How do i adjust the turn on and turn off pressure of my air compressor?  Bought the tank used. Tank rated for 120 p.s.i.
I think the prior owner of the compressor messed with the settings. There appears to be / are two adjusting ...

Compressor runs all the time, won't stop.  When I use my air compressor it runs all the time.



Bill answers...

Hi Don, hows things out in Sask?

I wish you'd included a bit more ...

Pressure switch problem with my Cummins 1.5hp air compressor  Parts came apart inside off and on switch like spring and connectors.



Bill responds...

Hi Melvin, and thanks for sending in your comment....

control valve or pressure switch?  the valve that controls air pressure in tank and regulates how much air pressure and controls max psi and psi kicks off and on at.



Bill answers....

Pressure switch question  What does the little air hole do in the side of the pressure switch line ?

It has a little plunger activated by the movement on the switch?



Bill ...

Wiring a compressor pressure switch  I am trying to figure out how to wire the pressure switch on my electric stage 1 air compressor.

The guy I got it from had the cord off, now there is ...

Air compressor won't throttle up?  I have a Yanmar diesel with an Ingersoll rand tank and compressor mounted to a trailer for portability.

The team works fine together until the air ...