Discussion for the Porter Cable BN125A Brad Nailer
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Question: Porter Cable BN125A
I have a broken o-ring in the head valve, and have ordered a new one.
I would like to remove the head valve and inspect it, however I need help on getting the head valve out of the housing.
Is this a press fit?
Is there a trick to getting it out of the housing?
Bn 125 nailer- Gun only( thuds) doesn't shoot nail. Remove air supply and reattach air supply while holding trigger and touching wood gun will shoot. Works for a while and then must repeat the process
You will need to replace the head valve o-rings. Whats happening is when you pull the trigger the head valve should snap up but because the o-rings are worn in the head valve the valve gets slightly cocked in the head cap.When you hold the trigger and connect the hose the head valve gets jolted and drop back down on the cylinder.Replace the o-rings and you should be fine.Hope that helps.Good luck.
Reply: Noze Cushion(no-mar)
In answer to your question. The part number 894742 are sold individually and are not sold in a pack.
Question: Porter Cable Finish Nailer Issue...
I have a Porter Cable BN125A Finish Nailer that when the trigger is pulled will only make a clicking/short burts of air noise. I have checked the piston and the air supply which is fine. Any suggestions???? Almost acts like its not getting enough air but I know it is.
Thanks for any help :confused:
Reply: Porter Cable Finish Nailer Issue...
There's a couple of things to check on this tool . Take the nails out of the tool then place the nose of the tool on a board and press down and engage the safety while pulling the trigger.While your doing this connect and disconnect the air hose a couple of times and see if the tool starts working.What this does is check to see if the head valve is cock in the head and not being allowed to move in the head.If that won't help take a small screw driver and slide it between the trigger and trigger valve and see if the tool can be fired manually.This checks for bent or worn linkage on the trip arm. If it still won't work remove the head and with a wood dowel or other soft object see if you can move the piston up and down the cylinder.This checks for any nail or part of the nail shank being stuck in the channel of the magazine blocking the cycling of the driver. One of these things should be your problem.Hope that helps.Good luck.
Reply: Porter Cable Finish Nailer Issue...
Thank you for the reply, I will try this today when I get home.
Question: Porter Cable BN 125A Finish Nail...
I have a porter cable BN125A and the nose shoe recently just fell off. I don't know if its missing a piece or something but I cannot get it to stay on for anything. Does anyone know if they just slide on and stay or are they supposed to be glues or something. The nailer works now but marks up the trim I am nailing.
Porter Cable BN125A Parts List and Diagram : eReplacementParts.com
Reply: Porter Cable BN 125A Finish Nail...
The cushion does just slide on. There are two grooves on the inner sides of the cushion that slide around the metal nose piece. Make sure that the nose piece slides into the grooves and it should stay put.
I hope this helps!
Question: Brad Nailer Not Firing
I have a Porter Cable brad nailer #BN125A that I had not used in a while. I loaded a strip of nails and nailed 2 or 3 nails and it stopped sending out nails, it sounds like not enough air pressure is going through it, what could cause it to do this?
Question: Operating Brad Nailor In Cold We...
I have a Porter Cable 125A brad nailor in an unheated shop. It leaks air continuously out of the top ( above the piston ) when I try to use it in cold weather. Is there a temperature limitation below which these things don't operate properly or do I need a repair. Right now my plan is to bring it inside, let it warm up and try it.
Reply: Operating Brad Nailor In Cold We...
most likely you need to service your tool..parts available at ereplacementparts.com..they have individual parts along with an overhaul kit if needed..
colder temps are hard on all kinds of tools..and especially air tools...they also make a winter oil for pneumatics for really cold temps..
hey..spring is almost here..!
hope this helps..:)
Accessories for the BN125A