OPV Adjustment

This is the current best tut on this: http://nic.steve-tek.com/?page_id=180

Procedure

• Turn off and unplug machine
• Remove the top cover
• Slide hose clamp on OPV back along the hose
• Squeeze the clamp fully with pliers to make it easy to slide
• Pull the hose off of the OPV
• Remove the locking collar by gently prying up each wing and sliding it off
• Rotate the plastic shaft to adjust the pressure
• Counter-Clockwise decreases pressure
• Clockwise increases pressure
• One quarter turn is approximately equal to 1 bar of adjustment
• Replace the locking collar
• Slide the tube back on
• Slide the clamp back on
• Turn on machine and test pressure
• Install portafilter with blind basket
• Hold 1 cup button
• Check pressure