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Adjusting air on husky hhd2nk air compressor

Keeps running over 125 pressure, won't shut down

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 18 Answers

SOURCE: my husky air compressor is suppose to shut off at at 125psi

Pressure switch may be stuck. May need to adjust pressure switch.

Posted on Jul 10, 2010

heatman101
  • 43501 Answers

SOURCE: Husky Air Compressor wl660800AJ...my problem

Hi,
Here are a few things that I would check first off...

Check that air comes out of the tube to the pressure switch..(make sure it is not clogged with dirt or debris)
Check that the compressor is still able to build adequate pressure... air filter may be clogged...
Check that the pressure switch contacts are not welded together....
Check that pressure switch is not malfunctioning and that it can open the contacts if tripped manually...

heatman101

Posted on Jul 11, 2011

mpcheeseman1
  • 1400 Answers

SOURCE: Husky Air Compressor wl660800AJ...my problem is

Hello
Replace the pressure shut off switch.First drain the tank and shut off all power.Remove switch and inspect for any debri or water in the tube to the switch.
Also check the settings.max i think is 150psi.So it should fill to say 145 and shut off.

Posted on Sep 26, 2011

  • 1383 Answers

SOURCE: Can I adjust the tank pressure on a Husky 1506

Before you change any parts, check that the pop valve is not faulty. Look closely at the pop valve to read set release pressure. If the valve is releasing before marked reading, replace valve instead to one slightly higher. The pressure may or may not be adjustable at the switch (need to replace the switch) depending on switch installed at the factory (parts list does not give enough information). If your switch has a remove-abel cap with adjustment screws/nuts, post again with model number of switch for info on adjustment. Good luck

Posted on Oct 06, 2011

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Im guessing this is a recip (piston Compressor) Sounds like your pressure switch may have adjusted itself by vibration. Take the cover off the pressure switch, there should be 1 or 2 screws on the top, one adjusts the pressure, the other adjusts the differential pressure (There may just be one) turn the pressure screw in the direction of the +, you need to do trial and error on this, turn it 1/4 of a turn, then switch on, see what the pressure gets to, then switch off, drain some air off, then adjust as necessary until you get your required pressure. Hope that helps

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Compressor reaches 125 psi but does not shut down


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I would guess from the info supplied that the pressure switch is shutting it down at 125. Most piston type compressor only pump a max. of 175 unless it is a special high pressure unit. Also it may be shutting down on high amps, high temp etc.However with all that said Piston units are positive displacement, meanning that it should pump until something gives. Start your unit, close the discharge air valve and see what it pumps up to. May have to adjust pressure switch to get over 125. If unit runs and runs and just will not go over 125, you probably have a valve going bad. Do you have a safety lifting. if so another indication of a bad valve.

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I have a husky brand air compressor with 7.5 h.p. compressors. when pressure builds to its maximum amount, compressor will not shut off it continues to run while pop off valve opens.


Hello,

Ypur pressure switch ( the grey box), is not shutting the motor off. It is is either adjusted higher( too much pressure), or stuck. Unplug it and remove the cover, Then make sure the gold colored lever moves. This is what shuts the power to the motor off. You can plug it in and watch to see if the lever moves before the pop off blows. It depands on the tank rating as to what pressure yours should be set to. Around 125 psi is recomended.

Hope this helps.

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1 Answer

My husky air compressor is suppose to shut off at at 125psi


Pressure switch may be stuck. May need to adjust pressure switch.

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