The nails are jammed side by side in the "neck" area (after the piston right before it would shoot out). the two nails are side by side jammed in thight
The only way that I have been able to remove really stuck driver is to remove the head and cylinder so that you can place the body of the gun against piece of wood (this will prevent the head from cracking) with nose of gun pointing up. Then Use a broken driver blade ground narrower to allow for stuck nail to pass and strike with large brass hammer.
SOURCE: Mastercraft Brad nailer piston always fires
The dial on the top of the gun is most likely the depth adjustment for the nails, this should solve the driver damaging the work piece. Make sure the nails are the correct guage for the nailer you have.
SOURCE: Will work fine for one or two nails and then nails
This is iffy... but PC nailers are nit picky. If you used someone elses nails, it can (and will) jam and mess up.
So, if Porter Cable nails are being used, clean and lube the nail shoot (with a few drops of air tool oil).
If that does not work, Invest 19 dollars in a new, 18 guage nailer at Harbor Freight. I have 2 of those and they have been trouble free for 3 years.
SOURCE: My nail gun will shoot one nail and then stop shooting.
check with one of your friends that have a nowinly good 18v bat if that dont work check for little pieces of plastic or pieces of the nail that are jamed up by the plunger
SOURCE: hitachi nail gun,piston/nail push rod
You have one or more worn o-rings in the head of the gun. They direct the air to the proper parts of the gun to first drive the nail then to return the driver to the top of the gun for the next nail. Depending on the manufacturer and your model number, some companies make kits to replace the o-rings (always replace all of them). For some companies you have to get a breakdown of the gun and order each o-ring seperately.
SOURCE: nail gun shoots 1st nail fine then second is a
Miss fire usually occurs when piston/driver is bent, piston oring worn, lower bumper cracked or missing pieces or upper bumper is cracked. Easy to check. Remove head and pull piston. If bent try to adjust, but be careful, blade breaks easily. Piston should fit snugly in cylinder, if loose, replace piston oring. If oring/plastic ring ok examine lower bumper for cracks and replace as needed. If lower bumper ok, pull out headvalve and examine upper bumper for cracks. If upper bumper ok, pull cylinder and look for loose check band around cylinder. Check band is black rubber and should be placed around cylinder fitting snuggly covering series of holes. Replace parts as needed and lube with silicone paste sold at Lowes in the plumbing department (or white grease). Good luck
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