Posted 6/7/2015 22:05 (#4614539 - in reply to #4613554) Subject: RE: 4730 sprayer question
NESD
Agree completely, you are probably getting an o-ring that dimensionally is the right size but is the wrong durometer, being too soft and the pressure is able to squeeze the o-ring out, or there is a crack in the threads that is allowing pressure oil to the o-ring.