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I have a Husky Pro 30 gal a/c. How do I adjust

I have a Husky Pro 30 gal a/c. How do I adjust the tank holding pressure?

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  • compman66
    compman66 May 11, 2010

    what are you trying to adjust it to? and from what? are you wanting to go higher that it was when new?

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  • Master
  • 530 Answers

The adjustment for "Cut-In" and "Cut Out" can be found under the pressure switch cover, if available. Some switches are sealed to prevent tampering that might compromise safety.
If you remove the cover you will see the four electrical connections and one or two screws with springs under them. Most times if the adjustments are accessible you will find a set of instructions under the switch cover. One screw will adjust both the "Cut-In/Cut-Out" pressure and one to adjust the "Cut-Out" pressure only.

However you need to remember some important issues regarding these adjustments. The first is that the "Cut-In/Cut-Out" pressure is set at the factory and is set there for a reason. The only reason to change these is because over time the adjustments can change or you are installing a new switch. The other thing to remember is that the safety relief valve is set just above the "Cut-Out" psi. So any meaningful increase will only trigger the safety valve.

If you need to readjust your compressor back to factory settings make sure you do it with small adjustments. 1/4 to 1/2 turn of the screws. Run the compressor and check both the "Cut-In" and "Cut Out" psi setting before making another adjustment.

Hope this helps, good luck and please be careful.

Posted on Dec 14, 2009

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