Troubleshooting Your
      Air Compressor

Air pressure  6.5 hp Black Max 80gal 2 stage builds to 100psi continues to run but pressure stays at 100 psi. Air coming out of crankcase vent while running and stops ...

Motor capacitor!! But which one is it!  hey my compressor has one capacitor and i want to replace it with the exact same one which is 25 um, 450 v and 50 hertz. That part is no problem! The problem ...

Question for troubleshooting Thomas GH-617b compressor  Compressor starts fine and has good flow. Problem is that it will run for a few minutes then pressure will drop from 160# (Normal output is 175# and it ...

Compair L120SR showing "start inhibited"  L120SR is showing fault shutdown and will not reset just shows message "start inhibited" but cannot clear or reset this

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Bill says...

Pete,...

wont run when its cold out  i have an up right craftsman oil-less air compressor. when the outside temp gets down to freezing or below the compressor wont run. i flip the red switch ...

overheats/ auto shut off. It is 6-months old.. 80gal Ingersoll Rand. Tractor Supply  Overheating and shutting down. overheats/ auto shut off. It is 6-months old.. 80gal Ingersoll Rand. Tractor Supply

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Bill says....

Alton AT 01204-6 2-1/2 horse - compressor motor just hums when plugged in and trips the breaker.  I have an alton AT 01204-6 2-1/2 horse 6 gallon air compressor. It use to work fine. Now it just hums when plugged in and trips the breaker. What can I ...

Yammering noise when unloaded Atlas-Copco GA122 (30hp)  Have an Atlas-Copco GA122 (30hp). Builds pressure just fine, and unloads at the correct set value. When it hits the unload setting (116psi) and starts ...

Hydrovane 23  I bought a used Hydrovane 23 a few weeks ago which has only 900 hours on the clock. I bought genuine filters and oil etc and gave it an oil/filter change ...

COPELAND compressor only runs for 5 sec. at a time  The air compressor will only run for 5 sec then shuts off even when first turned on.

It will then wait for several minutes then turn on again for 5 ...

Auto stop/start on hydrovane 66  How and where would i fit a pressure cut off switch on a hydrovane 66 as the compressor is in one one room and the tank is in another and the only to stop ...

Regulator will not shut off the compressor !  I have a old compressor M/D 32396 stage CCW, the regulator will not shut off the compressor it keeps running until the pop off vale go's off what part ...

Compressor pump blowing oil out the breather hole.  Bill,
Ok let me try this again.I am talking about the thing the arrow is pointing to.
Johnny



Bill ...

a Hitachi Koki ec12 - The preasure will not go above 75 psi.  I have a Hitachi Koki ec12, the psi will not exceed 75 psi. I replaced the gauges and the pressure valve that regulates psi to the house, the psi issue ...

Speedaire Model # 4 B247B  I have a Speedaire air Compressor model # 4B247B with a 2 HP electric Dayton motor Model # 6K773AB THe air compreesor runs up to about 100psi but does ...

craftsman 5hp briggs and stratton gas powered belt driven air compressor stalls when pressure builds up  i have a craftsman 5hp briggs and stratton gas powered belt driven air compressor that quits/stalls running when the pressure builds up.

theres 2 valves ...

Air compressor keeps turning off and doesnt build pressure  My buddy brought over his air compressor to help me blow out my irrigation system. We turned it on and let it build to its max 150 pressure for bout 5-...

Iron Horse 80 gallon 5hp compressor is squealing  I have an Iron Horse 80 gallon 5hp compressor (belt driven). I've had it for about a month now and recently I had to change the belt. I think it was on ...

Looking for compressed air plumbing installer....  I'm looking for an installer for lines to be installed from Compressor to several rooms with pressure gauges and moisture traps.

I can be reached at ...

drain nut won't close  We drained the tank and now we cannot keep it from leaking air from the drain once we try to retighten the nut. What are we doing wrong?

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why is my air compressor all of a sudden making a loud knocking noise?  Oil level is good, just recently changed, in a heated garage.?

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Bill says...

Hello Peter. I get asked this question periodically,...

SNAP ON CE 16 COMPESSOR  WHEN I START THE COMPRESSOR IT STARTS FINE, AND KICKS OF AT 150. BUT WHEN IT DROPS TO 100 AND TRIES TO KICK BACK IN IT STRUGGLES AND BLOWS THE FUSE.

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draper 50L 2hp compressor - Burnt oil  Hi - I have a draper 50L 2hp compressor. I have noticed that it is getting very hot and the oil is very black and smells like it is burnt.

Tried ...

gas powered air compressor won't idle down  After the compressor builds pressure the gas motor is shut off by the govenor.

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Bill says....

CAS, call it the governor, call ...

emglo gas powered compressor doesn't speed up when it pumps up  My emglo gas powered air compressor used to speed up to build up pressure. Now it just stays at idle and barely has enough power to build up. Its not ...

Compressor fills up the first time and trips it's own breaker when it tries to autofill.  So... I bought this thing on Craig's list. I swear, the number of times I buy stuff on there and have to spend more money when I get it home and try to ...

siezed engine air compressor  Schramm air compressor
rain water entered exhaust and ended up in oil pan while sitting in a field for a long time. Can't turn motor.
HELP

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belaire 12.75 horse 30 gallon tank - motor won't run  My compressor will turn on but after a few minutes cuts off I have tried new unloader valve and no go also it has been hard starting I pull plug clean ...

emglo airmate AM78 HC4 serial# 080296299 won't restart under pressure  My compressor starts fine and runs up to 125 lbs. It will not restart when reaching low pressure set point. It will hum and pop the breaker. Otherwise ...

atlas copco - engine turn switch  diesel 185 cfm with a John Deere 4024 engine
turn switch, starts, let go of switch, kills

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Bill says....

I'm no expert on A....

Reduction of Temperature  I want to reduce the temperature in my reciprocating Air compressor of 20 hp working pressure 30kg/cm2 & FAD of 40 cfm.

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Bill ...

how to resolve water in tubing  I have a nail art airbrush compressor, piston type model no. AS-18B.
I have set the pressure gauge to 30psi and all works well, except there is water ...

Kaeser Sx 6 - excessive belt wear  Having belt issues with a SX 6. Two sets of belts have be used in about 12 operational hours. The compressors amp load is normal and is producing air. The ...

Sparks flying... from what?  My proforce air compressor has always been a bit of a slow starter, especially in colder weather.

Last night was the same thing, it sounded like it ...

Whining noise from compressor tank  My air compressor makes an annoying whining noise whenever I use a pneumatic tool when the tank is full. As the tank looses pressure, the noise goes away....

Water in the air lines. How can I stop this?  SE16C150;
•14cfm displacment - cast iron, twin cylinder air compressor pump
•150 litre air receiver (CE certified)
•3hp motor, 230v, 1ph continuously ...

About tanabe air compressor type hc277a  well i have a problm that air and oil or carbon are mixed and coming out from l.p drain trap and as well h.p side i already overhauled compressor all rings ...

UNLOADER VALVE  I HAVE AIR LEAKING OUT OF UNLOADER VALVE WHEN COMPRESSOR KICKS OFF AIR KEEPS BLEADING OUT OF UNLOADER ON SWITCH TILL MOTOR KICKS BACK ON WHAT CAUSES THIS ...

air compressor won't pump air  my air compressor motor runs but will not pump air.

mod # 919.165200

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Bill says...

Won't pump it out the hose,...

a ridgid double stack 5 gallon air compressor  My air compressor spits out the dip stick when the air pressure stats to build up. Why does it do this and how can I fix it?

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intake valve  Builds pressure to about 35 pounds then wont build any more and keeps running, but if you turn the unit upside down and kick it, it will fill the rest ...

ingersolle rand 125 pull behind,1980,s  motor shuts down when the air valve is opened,could this be a serious issue

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Bill says...

James, it sure is if you are trying ...

overheating at the first stage.  On a two stage compressor the first stage cylinder is overheating, what can be causing that?



Bill says...

Hello John.

The cylinder heads ...

Ingersoll Rand T30 5HP 230 volts Air Compressor (Phases:1; Hertz 60)  Above air compressor recently began making a "snapping" sound when machine starts running. What could be causes??????? Serious, not serious . . . thanks!...

running slow and fast  Compressor starts fine until 50 PSI. then slows down quit a bit and speeds back up, back and forth until cut off at 135 PSI.

Last Winter, the belt broke,...

Sears air compressor problem  The motor does not appear to be shorted--I am an electrician and have tested the winding and capcitors.

The compressor appears to free wheel nicely-...

compressor builds pressure but none comes out  (I have a) small task force air compressor.

The compressor will build pressure and indicates on gauge 125 psi.

Second gauge for outlet indicates ...

Repairing/ Replacing a cylinder head.   I have an older Sears home-type compressor (2HP 7-8 gal tank) It wasn't operating properly and I found a broken reed valve on the pressure side of the ...

Old Teldine diaphram compressor rebuild problem.  I am rebulding an old compressor that i use for breathing air on a gold dredge. It is a teldine and is no longer made. being a machinist I am able to make ...

Setting up the hoses for 5000 PSI  I have a compressor regulated at 5000 psi for the use of filling a paintball tanks and not seem to get the hoses to regulate any pressure. Is there any ...

Unloader Valve - Square D 9013FHG pressure switch - where to get?  Where can I find a unloader valve, part number and place to purchase, for a Square D 9013FHG pressure switch for a 5hp air compressor.

Thanks,

Steve
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the compressor is working, but there is no air coming through why ?  i leave overnight running without oil, next come in to work found it burning, dont what happen still runing but there is no air
th2i@hotmail.co.uk thank ...

Compressor cut off   I was given a air compressor that would not reach its max air capacity. It would run continuously and olny reach 45psi. I found a leak at the line going ...

Replacement compressor motor?  I have a bad electric motor and need to get a new replacement. Can I get one by giving the specs on the motor?



Hi Mr. Bentjones1977:

You might ...