I have a Cat 3106C generator that is leaking out of the fuel injector at the pump. I have replace the o-ring on each injector but it is still leaking. It acts as though the o-ring is not installed. I went to the dealer to purchase the o-ring and try to get a drawing of the system. They had the o-ring but no drawings.<br/><br/>If any one has any ideas I am all ears. We are...