Question about Stanley Bostitch N80s Nailer -rebuild Parts O`ring & Seal Kit

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N80 suddenly quit working

Nailer worked great; however, suddenly it quit and all it would do is leak air and make a "put-put-put" like noise. Any suggestions?

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There is a nail stuck inthe grove where the nail comes out. There are 4 allen bolts on the front of the nailer.remove them and you can remove the bent nail. Put it back together and your ready to go.

Posted on Mar 12, 2009

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1 Answer

Nailer drives nails too deep


n80 coil nailer is a very powerful nailer used for hard wood. If the driver is setting nails too deep, adjust safety foot to the lowest level. Install safety foot no-mar boot to lift the gun even higher. If still too deep, most likely the lower bumper inside the gun is worn-out or cracked. Easy test. Remove nails and connect air supply. With trigger depressed, push and hold the gun against work (I use an old rubber hose tightly coiled up). This will fire the gun but keep the driver down allowing you to examine the tip of the driver. The driver should extend out past the nose less than quarter inch. If the driver is extending too far, most likely bumper is worn out. If a large quantity of air is leaking out the nose of gun during the test, indication that lower bumper is cracked. Good luck.

Apr 06, 2013 | Stanley Bostitch N80CB Coil Framing Nailer

1 Answer

I put a new o ring rebuild kit in my Bostitch N80 sb framing nailer. I replaced every o-ring (including the trigger valve assembly


If the new trigger valve leaks air when you connect the air supply, most likely defective valve or air is leaking past outer trigger valve orings due to debris in the slot or new orings were cut when the valve was pushed in. If air leaks when you depress safety to fire gun then most likely problem is in the head valve or safety foot is not pushing the firing pin all the way in. Easy test, remove nails and remove the trigger to expose the firing pin. Connect air and very quickly depress the firing pin all the way in. If the gun fires, adjust the safety foot as needed. If the gun does not fire, remove the head and check headvalve orings for good snug fit against the cylinder within the head. The surface were orings make contact must be very smooth and not too deeply worn. If you notice fine scratches remove with fine sandpaper. Reinstall head using plenty of white grease on all the orings within the head and retest. Good luck

Feb 10, 2013 | Stanley Bostitch N80CB Coil Framing Nailer

1 Answer

I Have a N80 Coil Nailer. It was given to me without the manual. I down loaded a manual, however it is not clear how to set the nail depth. Can you advise?


Bostitch nailers used three methods to adjust how deep the nail will set. On stick nailer, there are one or two screws on the lower contact arm allows you to shift up or down. On coil nailers and others , there is thumb screw on side or under the trigger. Finally on some coil nailers, there was a series of spacers that snapped onto nose of the gun. Good luck

Nov 21, 2012 | Stanley Bostitch N80s Nailer -rebuild...

1 Answer

Where is the serial number on bostitch coil nailer?


The serial number on the coil nailer is towards the air nozzle on the handle. There is a little bridge of metal connecting the main body of the gun to the plastic coil housing. The number is laser etched into that metal.

Apr 24, 2012 | Stanley Ring Repair Kit KTBO650 for...

1 Answer

I have a bostitch model nc65 coil nailer. It is having problems returning the piston to the top position and I believe that a reed valve or seal is missing from above the head valve. I can't find any...


Can you verify the model number please? I only see references to N64 or N66 for coil nailers.

Specific to the problem listed, this is usually caused by an air leak through the O-rings. I would replace the O-rings and make sure that the entire area is well lubricated with pneumatic gun oil and try again. This should resolve the problem.

Dan

Oct 28, 2010 | Stanley Ring Repair Kit KTBO650 for...

1 Answer

My Bostitch N80 fires full auto when I hook it


I would check the safety first to make sure not stuck because this tool is a bump fire. Let me know and then I will find a kit and schematic for you or you can go to Bostitch.com and find the parts online, but I honestly think that you have a safety issue or the trigger valve is malfunctioning.

Jan 09, 2010 | Stanley Bostitch N80s Nailer -rebuild...

1 Answer

Leak inside Bostitch N80 Nailer, won't drive nails


If the unit is leaking it most likley need a rebuild kit. Go to a Bostitch service center and ask for an ORK-11 kit. That is all the o-rings needed to do an over haul. Or just have them do it.

May 23, 2009 | Stanley Bostitch N80s Nailer -rebuild...

1 Answer

Bostich N80 Framing nailer


Sorry about the delayed response. This unit needs to have the O-rings replaced. The return of the firing pin is not happening correctly. This means that the pressure release holes are still engaged. When the pin pushes out the nail, the return should cause the holes to get covered. If there is an air leak, the return will not complete resulting in an even larger air leak which is what you are now seeing. This is a relatively simple repair for any shop that handles these and would be considered a standard maintenance effort. These are decent tools and with proper maintenance will last for years. Mine is over 22years old and going string.

Dan

Jan 26, 2009 | Stanley Bostitch N80s Nailer -rebuild...

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