Remove hitachi nailer trigger.
Hitachi roofing gun leaking air.
Install new o ring kit.
Air pressure is set too low.
O rings have not been lubed by daily application of nailer lubricant.
O rings are gummed up.
If new parts are needed to fix the nail gun however the tool will be out of commission until the parts arrive and are installed.
Gasoline has been used to clean nailer.
Make offer xrare hitachi nv45ab2 7 8 1 3 4 15 degree coil roofing nailer.
The metabo hpt nv45ab2 formerly the hitachi nv45ab2 air powered coil roofing nailer drives 7 8 to 1 3 4 coil roofing nails.
However once you engage the trigger the valve looses its seal therefore creating a gap for the escaping air you hear coming from.
The hitachi nv45ab2 roofing nailer measures 9 27 32 x 4 5 8 x 10 3 8 inches lxwxh.
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The metabo hpt nv45ab2 item nv45ab2m is specifically designed for the most demanding professionals.
Air leaks out back this is a good sign that seals need to be reseated with dry firing or bumping the gun but it is also possible that air is leaking out the back of the tool because of a broken part.
Hitachi nail guns are top notch tools but situations arise that create the need for troubleshooting the tool.
To inspect the piston head valve remove the top cap from the nail gun.
The piston head valve controls the air flow into the cylinder chamber forcing the piston driver assembly down on the next nail.
The tool exist air leak is ordinary situation and this is the details and specific reason and way to solve this problem.
There is something to do with a good air dryer but even so hitachi will always perform longer at colder temperatures just like dewalt 18v nicd batteriers will outlast makita 18vlion by far in the cold.
5 0 out of 5 stars great roofing gun.
Most nailers need to run at 105 psi except roofing nailers in the summer solution.
If attempts to reseat the seals fail the tool will have to be disassembled and inspected for wear or damage to parts.
If you hear air leaking inside the top portion of your nail gun it could be a defective piston head valve.
Turn up air pressure.
Comes complete with safety glasses and 2 hex wrenches.
Made in japan made in japan oem hitachi nv45ab nv45ab2 roofing nailer gun 883880 nose kit genuine.
