12 Volt Compressor Pressure Switch Replacement

Tools and Materials Needed

solinst 12 volt compressor pressure switch

Pressure Switch

  1. Pressure Switch for the 12V Compressor (Spare) (#113545)
  2. Two Adjustable Wrenches

 

Instructions

CAUTION:

Ensure the power supply is disconnected from the 12V Compressor and the pressure has been fully vented from the tank.

 

  1. Pull to remove the two leads from the old pressure switch on the 12V Compressor.
  2. remove the two leads from the old pressure switch on the 12v compressor

     

  3. Use the two wrenches to unscrew and remove the old pressure switch from the brass fitting on the 12V Compressor. Use one wrench to stalize the brass fitting, and the other to unscrew the pressure switch (see below).
  4. stabilize the brass fitting on solinst 12 volt compressor to unscrew pressure switch

     

    solinst 12 volt compressor pressure switch

     

  5. Remove the two covers from the connections on the new pressure switch.
  6. Screw the new pressure switch into the brass fitting and tighten using the two wrenches.
  7. Connect the two leads to the new pressure switch (this switch has no polarity, so it does not matter which lead is connected to which terminal).
  8. connect the two leads to solinst 12 volt compressor pressure switch

     

  9. Test the Compressor (see separate operating instructions, if required). The 12V Compressor should turn off at 120 psi tank pressure, and on at 90 psi.