My gun has a knurled screwed cover on the end. I am unsure what the function is. Should this be undone and then placed over the nipple and then tightened? I must admit that I never feel confident that my greasing is effective.
Keith
Car 54 - 'Le Mans 62' 4/4 Supersport OxMog Member (and associated with CranMog and SwanMog)