Hitachi NV45AB2 Roofing Coil Nailer  "drive seal" Questions

...drive pin never resets in order to shoot the nail Remove head and check seal between headvalve and cylinder. If seal looks good, just remove head parts and clean/lube. Also clean/lube orings between ...

the comes out on its own from the back Air coming from the back of the nailer is generall because of a main seal failure. They are not generall hard to replace if you can find a replacement one. Just ...

...drive one nail and then the driver pin will not retract back up in the gun. sounds like time for a rebuild i do this once a year on all of my guns i buy a seal kit and replace them at that time and ...

bostitch roofing nailer wont return driving pin but moves freely gun will not drive hard under any amount of preasure. driving pin will drive but wont return unless i tip the gun upside down. all ...

drive the nail- The driver is bent and doesn't travel all the way down- The seal/o-ring on the piston is damaged and air is leaking past itAny of the above will require you to remove the head

Nail gun, piston drives down with out pulling trigger and stays down as soon as air hose is connected. All seals and o rings have been replaced with new ones If all of the o-rings have been replaced ...

...a punch about the same or slightly smaller than the hammer/firing pin/the part that drives the tack, and drive it back to where it clears whatever is jamming it. Clean it, oil it and ...

...feeds nails occasionally. Otherwise works ok. It will work if you advance the nails by hand. If the driver part of the gun works well, check the feed parts. First check the feed pawl where the nails ...

doesn't shoot. makes the noise, but no nail comes out. Right in the middle of a job, suddenly the gun stopped working. Pull the trigger, air leaks out. Let go, and it sounds like it shot a nail, but ...

i cant get my driver back into a nv 45ab2,,,it was kind of hard to pull out and sounded like it was compressed into it it sounds like the shaft may be damaged, check for burs or tip wear/deformation; ...