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Thanks for the reply. I did open it already, tore it down and degreased all parts and cleaned dry. Installed the anvil and hammers, filled with 0-30w engine oil, I could not tell if the vanes/blades were worn or not, the cylinder inside where the vanes run looked 'ok'. If the vanes are toast...

Hi new to this forum, have this Snap On Mg325 3/8 air gun and it is not working as it should. The reverse seems to have some power whilst the forward torque to tighten is very weak, I have opened the gun installed new oil in the hammers but it still shows same symptoms. The forward torque is...