Question about Stanley Staple/Nail Gun Elec

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A Bostitch F28WW that spontaneously fires a nail when coupling the air hose to the gun. The gun is 12 years old. Whats the fix required.

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When was the last time this tool was serviced? Bostitch makes an Oring kit for this part #N890RK I could not find the price. I would start by looking at the safety to make sure that is moves freely and is not bent. Then I would think about putting new rubber in this tool. First go to Stanleybostitch and navigate into tools and then support to look at a breakdown for this one. It is not that difficult to rebuild, if you do make sure that you put lube on the new orings and take your time rebuilding to ensure that you dont pinch one of the new rings. Hope this helps

Posted on Jan 15, 2009

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Bostitch F28ww nail gun does not cycle. There is no air leak or any sound when I press the nose down and pull the trigger. It is like it has no air at all. I was using it, it fired 2 nails at the same...


It sounds like your drive pin is jammed in the barrel. Can you see that moving freely? One of the two nails it fired may have lost a piece and is jammed in the barrel between the drive pin and barrel.
If this is the problem, You'll need to take a sturdy "drift pin punch" and hammer to drive the drive pin back down into the nailer. (I use an old drive pin from a discarded nailer as a drift pin punch)
Once the piston and drive pin are free again, the nailer should work fine.

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Have you serviced it recently? and is the gas in date? The pistons do dry out and have to be oiled with special oil.

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You broke a seel or dont have it plugged in to the air hose

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Bostitch N80C. When I connect air to gun it leaks from cylinder cap - (exhaust ports) Piston stays forward when under pressure. Pushing safety and/or pulling trigger have no effect on problem. Tool is...


Most likely a seal is leaking which is preventing complete reset of the tool to the firing position. Follow the instrucitons in the link below to get to a site that will provide a diagram of the gun and the parts list. I would recommend replacing all of the o-rings and a good cleaning and lube.

Dan

Link: http://www.fixya.com/support/r5812776-bostitch_nailgun_dis_assembly_assembly

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1 Answer

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you would need to check the driver/piston for problems and make sure that you are using the right guage nails. Let me know what you find and I will try and help further.

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Bostitch nail gun number SB-21n1 is jammed and need manual to know how to unjam it or a solution online. Was using it in the staple mode and it jammed after about 5 staples. Was using bostitch staples.


Hello. Begin by disconnecting the air hose. That way you can not get hurt while removing the jam. Get a pair of needle nosed pliers and remove each of the jammed staples. They will pull out I assure you. Then Use a little WD-40 or compressor oil to lubricate the working mechanism at the firing head. IF you must loosen up the mechanism to remove all of the staple parts be sure to use the correct size allen wrench. I am providing link to a free manual for your gun in case you don't have one: http://bostitch.com/catalog_images/web_pdf/107674.pdf

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Fires spontaneously


Trigger valve should be the problem,,but the saftey should be the first thing to look at .It should not fire unless safty guard is not working,,,check it first

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The one MM of difference you mention is the reason why you do not have the pressure you did have. Get rid of those 31MM brads and get the 18 gauge. Home Depot carries the Bostitch line. I would go there or to homedepot.com

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