You need to oil the gun. Put a drop or two on the nail driving mechanism too.
SOURCE: Framing nailer intermittently doesn't shoot the nail.
Make sure to blow out the magazine where the nails load, make sure the spring tension on the nail clip is working properly, make sure you're not holding the clip somehow with your off hand so the clip can't feed correctly.
SOURCE: PORTER CABLE FR350 FRAMING NAILER RAPID FIRES
I have seen this problem on several brands of nailers. The solution in most cases was to make sure headvalve orings are sealing correctly. Here is a simple test. Remove the head and place on workbench with gasket surface facing up. Push headvalve all the way in with your thumbs then cover the vent hole with finger and release thumb pressure to headvalve. Vacuum should keep headvalve down untill you release finger at vent-hole. If vacuum does not hold, remove headvalve and examine surfaces for fine scratches and/ or make sure of correct size orings (headvalve should be very snug). Remove scratches with extra fine paper (300-400 grit). If headvalve holds, remove headvalve piston and piston stop. With headvalve spring removed, push piston stop into headvalve and make sure that the piston stop fits snuggly into piston. Also make sure piston stop is not damaged or cracked. A loose fitting piston stop will cause multi-fire. Replace as necessary. Upon re-assembly, lube all rubber parts with plenty of silicone lube (not oil, wipe clean all parts before lubing). Silicone paste/grease is sold at Lowes in the plumbing department (Danco Brand). Good luck and email if you have other questions about this gun.
SOURCE: porter cable brad nailer only fires brad on second trigger pull
The dent in the wood is not caused by the air. It's caused by the set that drives the brad. Are you oiling it consistenly? Are the brads the right manufacturer for your porter cable brad nailer? From the information you give it appears that the brads are not advancing correctly or that the air pressure is not sufficient to dislodge the brad from the brad strip on the first strike - it takes an additional strike to break it free. The standard for adding oil is to add ten drops of air tool oil for every hour of operation. That seems like a lot, but the correct amount of oil is a sure way to prevent most air tool problems.
Testimonial: "Thanks for the info. I was not oiling it at that rate. Is there anything I can do to fix the issue now that I didn't prevent it?"
SOURCE: looking to buy a manual for a porter cable nail
Go to Dewaltservicenet.com and type in your model number the manual is 13 pages long. If I have helped you with your request would you please rate this response accordingly. Thank you
SOURCE: I have Porter Cable finish nailer and it has begun
could be the wrong nails, could be a worn driver ( what hits the nails) could be a worn nose( what the nail comes out of) our local repair shop can check it out and repair the problem,,, pls rate ...tks
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