Question about Stanley Bostitch N80s Nailer -rebuild Parts O`ring & Seal Kit
If it is a nailing hammer for a roofing project, I have used a degreaser to spray the end. Even on my air nailers that I use 16d nails in I do this. Make sure you keep 3 drops of the (FOR THE NAILER) IN IT'S RECEIVING END EVERY DAY! This will keep the inside good and slick.
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
Both of these nailers have a check seal about half way down on the cylinder. This check seal causes the piston to retract if the piston ring is not too worn. The lower bumper should not be cracked and missing pieces, and the driver guide washer must be in place below the bumper. Also check that the driver is not bent causing it to get stuck. The da250b has an upper bumper of sorts and developes cracks that can only be seen by removing and inspecting, If cracked, the upper bumper must be replaced for proper function. The bn125a nailer probably has the discharge port clogged or upper valve parts worn or cracked. The headvalve should be inspected for cracks where the oring fits and the rubber seal should fit snug on the valve. There is a spring that pushes down in the headvalve that pushes from a rubber washer of sorts, check the diagram to be shure that all parts are in order. Both of these guns will not take too much pressure. Try adjusting to about 90 lbs max.
Posted on Nov 25, 2008
Make sure that when you run with one gun that your psi is between 90-110. You may need a kit. Is it an RN45 or 46? Go to Stanley Bostitch online and look up parts and schematics. Kits should only be about 15-20 dollars, easy to put in, and come with instructions. Lemme know. Please rate me
Posted on Jun 18, 2009
You have a problem with o rings or the firing valve. I would go to Senco.com and they have a parts breakdown with a list of kits that are available for the tool. They also have a toll free tech support number is you need it.
Posted on Sep 20, 2009
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