The next day it no longer worked, I re-cleaned, checked everything but this time it did not work. Receive money-saving advice and special discounts! Remove the screws and the top cap. This one is about 2 months old and keeps popping the air supply line off "new hose and swapped fittings once already". In some cases, the feed piston is mid-stroke. My 18 g porter cable nail gun and crown staple gun both shot their last nail/ staple and the mechanism that pushes the item out won't retract and the air now continually shoots out the exhaust port at the top of the gun. If your nail gun is not leaking air, but has a broken driver, you will want to install a driver maintenance kit rather than an overhaul kit. Replace any O rings showing signs of wear and apply a small amount of lube or Vaseline around them and reinstall the piston head valve back into the top cap. But, once you reach it, you should be able to pinch the O-Ring with your fingers to stretch and apply grease. Sue, I've forwarded your request to our customer service team, who will contact you shortly in regard to options for repair versus replacement. Remove the piston head valve and replace the O rings. 1740 Carillon Blvd. Peter, please give us a call at 1.888.720.7892 and we'll do what we can to help. I have a FramePro 600, FRH. Replace any O rings showing signs of wear and apply a small amount of lube or Vaseline around them and reinstall the piston head valve back into the top cap. We typically do not get into parts. Storing tools in plastic helps to keep dust and other elements out - especially when sitting for extended periods of time. Or is there possibly another issue there? Hi< i have the Duo-Fast RCN-60-225. The piston head valve controls the air flow into the cylinder chamber forcing the piston/driver assembly down on the next nail. Our on-site repair pro responded that, "No tool should leak air in the static (unfired) position." Sorry we couldn't help more this time. Hi Doug, Use a pick to pull out the piston head valve from the cap. We recommend taking it to a local service center, or shipping it to us for service. I have a Senco SCN65 that was leaking air out of the top air vents. To answer your question though, when you pull and hold the trigger, it resets. (Makes and models all differ. To inspect the piston head valve remove the top cap from the nail gun. We don't sell Porter Cable, but you may be able to source a new old stock part for your tool online. 1) What happens when you PULL & HOLD trigger and then what happens when you RELEASE trigger? Their familiar black and gray color scheme can be found in many carpentry shops and job sites. Push up on the driver to remove the piston from the nail gun. Thanks so much! I have the parts list but am unable to match up the replacement orings. I would like to try this before I tear the nailer down. We were unable to add your email to our mailing list. But what about the unavoidable issues, like an occasional air leak? Hi Dennis, Fixing your nailer yourself might actually be easier and much cheaper than hiring someone - check out our troubleshooting and repair guide for assistance. Porter Cable is a common brand of medium priced professional woodworking tools. You can also contact the manufacturer at 800-543-4596. Replace any bad O rings and reassemble the valve). Cincinnati, OH 45240, HOURS OF OPERATION: If you try to fire a pneumatic nail gun or stapler, but only hear air leaking when engaging the trigger, it's likely that your tool's "O-Ring" is not sealing properly.When the trigger is not depressed, you may not hear air leaking, as the valve is probably sealed. Pull out the collar. I got a air nailer it leaks air out of the trigger when I hook up the air line to it .. Does it have to do with the trigger assembly? I could use a little help. On a properly working pneumatic tool, when air is forced into the firing valve, this pushes the valve upward, which opens the main cylinder sleeve and allows the air to drive a fastener. Refer to your owner's manual for advice tailored to your model. Examine all the O rings for signs of deterioration and damage. Bumpers are a normal wearing part and do need to be replaced occasionally. DISCONNECT AIR: Piston can be manually pushed back w/o issue. - FREE SHIPPING WITH $1,000+ FASTENER ORDER - 10% OFF FASTENER ORDERS $500+. Do you sell replacement O rings for the ISM AB100T pneumatic staplers? Unfortunately, parts for your tool are almost impossible to locate. Hi Cliff, we recommend taking the tool to an authorized Porter Cable servicing center. All trademarks and brands are property of their respective owner |, , only to hear air leak when pulling the trigger? If the top cap is leaking it will need to be replaced to keep the air pressure inside the nail gun. . Bostitch n66c shoots a nail as soon as air is hooked up to it, then jam. CYBER WEEKEND SALE - Click Here For Our Current Offers! When troubleshooting any nail gun, the first consideration should always be safety. Unfortunately, it's hard to diagnose a tool over a blog. Every nail gun is built differently depending on brand and model, which makes it hard to diagnose a particular tool without seeing it. If there is an air leak out the cap and out of the nose, you should replace the sleeve seals. The tool really needs to be looked at by an authorized service center to properly diagnose though. TROUBLESHOOTING QUESTION: How does this gun operate? If you hear air leaking inside the top portion of your nail gun it could be a defective piston head valve. The best way to prevent an issue on the job, practice preventative maintenance. Overhauls in other brands of nail guns will follow similar steps. I have a master fastener finish nailer which needs to have the orings replaced after many good years of use. It started very light and it got worse and I was working till I had to get another gun hooked up and going. I replaced all O rings and it worked fine for a day. ADDRESS: Carlos, Any help will be greatly appreciated. This staple gun isn't even a year old and should not have this problem. I change the all repair kit because the gun start to thru air on front side where the nail come out. O rings inside the top cap around the piston head valve can leak over time with use and will require replacement especially if the nail gun is not getting oiled regularly. Gaskets provide a seal between 2 joining pieces. Hi Carlos, If debris breaks off and covers or clogs the air supply hole in the nose for your feeder piston, you would definitely have jamming/skipping issues. To inspect the piston head valve remove the top cap from the nail gun. Can you point to some specific step by step instructions. (Note not all models have collars). I was wondering why ?? Failure to take the necessary preventative measures can result in injury, or can lead to further damaging of your tool. However, the unit still does not work and blows air out of the top air vents. I have a Craftsman 351.184200 and the seal (piston stop) is broken into pieces. Examine all the O rings for signs of deterioration and damage. We'd suggest having the tool evaluated by an authorized repair center. When TRIGGER PULL: Piston drives full stroke and then: 1) does not retract, 2) big constant air discharge out the top port Additional trigger pulls do nothing. We recommend taking the tool to an authorized service center for further troubleshooting. A broken collar will allow air to escape. If so, you're not alone. We recommend taking the tool to a local service center, or shipping it to our location for a technician to diagnose. My nailer/stapler has about 10 o-rings. My DeWalt crown stapler leaks air at the swivel at the back of the gun. To examine the O rings remove the top cap and use a pick to pull out the piston head valve. (Some valves pull apart and will have an O ring inside. Reattach the top cap and tighten the screws in an alternating pattern a little at a time to seat the seal. Copyright © 2020 eReplacementParts.com Inc. I have a Porter Cable Framing Gun, owned several in the past, no problems. Always remember to stop using your air-powered tool - or any tool - when it is not functioning properly. The part #7424 is discontinued. This should take care of the issue - helping your air tool run properly. Reassemble the top cap and tighten the screws in an alternating pattern a little at a time to seat the gasket. Tighten the screws in an alternating pattern a little at a time to seal the gasket. Can I use a liquid gasket to make the seal? Take your tool to a certified repair technician or complete any necessary adjustments yourself, before using the tool again.