Porter Cable Air Tools & Compressors - Recent Questions, Troubleshooting & Support


Odds are you have a brad or part of a brad stuck in the slide. Use a flashlight & another brad or paperclip to remove the piece of nail that is blocking the slide.

Porter Cable Air... | Answered on Oct 24, 2019


Uses 23 Ga. headless and slight head pin nails from 5/8" to 1-3/8" length

Porter Cable Air... | Answered on Oct 24, 2019


You need to oil the gun. Put a drop or two on the nail driving mechanism too.

Porter Cable Air... | Answered on Oct 24, 2019


Try lubing the head valve orings with white grease instead of oil. The issue is caused when the head valve orings do not seal perfectly. Lube and retest with no more than 100 psi. Good luck with your repair

Porter Cable Air... | Answered on Aug 27, 2019


I find that a nailer will fail to discharge due to lack of lubrication. Try lubing the head valve orings with white grease instead of oil. If no joy, remove the nails and remove the trigger so that you can fire the gun using just your finger. With trigger pin exposed, connect air hose with 100 psi. Very quickly depress the trigger pin all the way in. If the gun discharges most likely the safety foot and actual trigger is not pushing trigger pin all the way in. If the gun still does not discharge then most likely firing valve spring weak or valve defective. Good luck with your repair

Porter Cable Air... | Answered on Aug 27, 2019


This usually occurs when the check seal is out of place or bent driver or driver is too loose /too tight in the cylinder. The check band is usually the problem. Remove the cylinder and make sure that the black rubber band is covering a series of holes about mid section of the cylinder. If the band is in place, then problem is piston driver is bent , too loose /tight in the cylinder. Good luck with the repair.

Porter Cable Air... | Answered on Aug 27, 2019


This usually occurs when the head valve is worn, cracked or just needs lubrication. If the valve looks ok, then lube with white grease and test. If still no joy, make sure that the trigger firing pin is being pushed all the way in when attempting to fire. Make adjustment to safety foot. Good luck with the repair.

Porter Cable Air... | Answered on Aug 27, 2019


This happens due to lack of lubrication. The air that runs thru the regulator is very moist and caused the internal parts of the regulator to rust. With no air pressure in the tank, take the regulator apart and lube the threads on the adjustment knob. Also remove the plug on the rear of the regulator and lube the plunger valve. You may find that the valve is stuck to the plug. Separate the valve from the nut and clean / lube. You may also find that the regulator is too far gone and needs to be replaced. Good luck with the repair.

Porter Cable Air... | Answered on Aug 27, 2019


This happens when the driver is not returning to top of the cylinder. Remove the driver and make sure that it is not slightly bent or not lubed enough and sticking to the cylinder. Also check the driver piston seal ring is not too loose. The driver should move easily within the cylinder but not so loose that it just drops to the bottom of the cylinder. Good luck with your repair.

Porter Cable Air... | Answered on Aug 27, 2019


I find that the trigger valves in these guns are reliable and that most problems with random fire is lack of lubrication and adjustment of the safety foot. Assuming that air does not leak when you connect air supply and leaks from trigger when attempting to fire. This indicates a lack of lubrication of the head valve. Remove the head valve and lube with white grease.
Test the gun, of ok then you are done. If no joy, then check safety foot for adjustment. How to test if the safety foot is the problem.
Remove the nails, remove the trigger leaving exposed the trigger firing pin. Adjust air supply to 100 psi and connect to gun.
Assuming no leaks quickly depress the trigger valve pin all the way in. If the gun fires then the problem is with the safety foot and or the actual trigger is not pushing the firing pin all the way in when attempting to fire. Make adjustments accordingly. Good luck with your repair.

Porter Cable Air... | Answered on Aug 27, 2019


The fr350a is completely different from fr350. The fr350a is completely modernized framing gun as compared to the retired version. I do not like repair kits because you are replacing parts that are still good. Instead replace parts as needed. If you state the issue you are having I may be able to recommend the actual part needed. If however you do not have any major air leaks, a lube job will make the gun work great. Use white grease or nail gun oil. Good luck with your repair.

Porter Cable Air... | Answered on Aug 27, 2019


The part that you are looking for is most likely the "piston stop."
this part can be found at Dewalt service centers as they own Porter Cable. Also some Ridgid nail guns use the exact same parts as Porter Cable. Good luck with your repair.

Porter Cable Air... | Answered on Aug 26, 2019


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Porter Cable 4 5... | Answered on May 16, 2019


I never use mine in the driver setting, always in drill mode. The reason is the clutch won't last and while the motor rotor revolves, the chuck head will not have torque and won't work no more.

Porter Cable Air... | Answered on May 14, 2019


There should be a pressure switch that can be adjusted. You should be able to adjust high pressure shut off and at what pressure you want it to restart. If you give me a model number I can help further.

Marty

Porter Cable Air... | Answered on Apr 25, 2019


you can check at Thomas industrial supply Inc. they are in schofield Wisconsin. this guy can find anything and can repair anything. he is a dealer for most everything. good inexpensive stuff. he has a website too.

Porter Cable Air... | Answered on Mar 22, 2019


You can try a new capacitor, or test your existing one.
Plug its power cord directly to an outlet, no extensions, power lost in inapropiate power cords is also a probable cause.
Does the motor turn by hand or is it sticking?
One thing is an electric problem, another would be mechanical.

Porter Cable Air... | Answered on Mar 01, 2019

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