Hitachi NV45AB2 Roofing Coil Nailer  "air vents leaking" Questions

...air still leaks out vent remove head and examine valve in head and replace as needed. Check that cylinder moves freely up/down (travel aprox 1/4"). If cylinder is hard to move pull cylinder and clean ...

...vents air . adjust it with wrench or straighten arm. I have had this happen before- but in my case the adjuster backed off- same result -look in manual for adjusting as well - should be there or take ...

I just rebuilt my Senco SN4 nail gun because it leaked air. I just rebuilt my Senco SN4 nail gun because it had a constant air leak coming out of the discharge vent on the top of the gun. I replaced ...

...for preparing it and breaking in the compressor but the gun doesn't do anything. Assuming no air leaks. The headvalve of this nailer tends to stick in the head due to tight fitting orings. ...