How to adjust maker core pressure

Warning - must wear safety goggles while handling  the marker

• Remove rate of fire adjustment screw and insert pressure gauge - be sure to insert the steel ball before install the gauge
• Connect your air tank and turn it on
• Use the tool to adjust the pressure: Clockwise to increase and counter clockwise to decrease - optimum operating pressure is 2.75MP
  
• The gauge should read a steady pressure and return to the same position after each shot