pwc trailer question

[dave feola]

hey folks, quick question, i was applying wheel bearing greadse to my load rite trailer with bearing buddies,the one side,the grease went in no problem, the other side when i put the gun onto zert fitting, i couldn;t squeezae the trigger, any ideas what this could be and ho to fix ?

 

[Gary DiPietroSr]

Sounds like dirt in the fitting itself. Unscrew it and clean or replace it.