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Bostich bt200k brad nailer: how difficult to replace driver?

My week for broken tools :(

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  • juju Jan 07, 2013

    still unanswered. the driver is broken in 2. i see the expanded, doesn't look difficult to do, any thoughts?



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If it is a real expensive brand of driver I would try and fix it. However, I have learned as a contractor that sometimes you can save money
in the long run by simply buying a replacement. The price has dropped quite a bit.

Posted on Jan 08, 2013

  • juju Jan 08, 2013

    yeah, ain't that the truth. but the part is cheap enough, the nailer is a great tool and work is a bit hard to come by, so i think i will try to fix it. based on what i see, i am going to give it a try, since no one has warned me not too, lol



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Posted on Jan 02, 2017

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SOURCE: Bostich framing nailer leaks air out driver hole

Generally, air leaking from the nose of the gun is caused by the vinyl headvalve/cylinder seal. It is installed on the headvalve and snugs against the cylinder. I would also check the cylinder ring supporting the cylinder that is visable when the head is removed. The cylinder ring is made of white plastic and has an oring on outside edge and seals against the cylinder with another oring. The ring tends to crack allowing air out nose. Some cylinder rings were made of metal, which is better and do not fail. Metal or plastic, check the orings there. Not to worry, these parts are not expensive and available at enjoy

Posted on Nov 30, 2008

  • 4234 Answers

SOURCE: 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.


Posted on Feb 11, 2009

  • 7 Answers

SOURCE: constant air leak

Sounds like you need a repair kit or take to a tool company that installs the kit.

Posted on Jun 10, 2009

  • 154 Answers

SOURCE: Firing Pin doesn't return

The piston is returned to its firing position by air from the trigger valve after the piston has fired. It relys on the piston sealing against the bumper at the bottom of its stroke, if the bumper was damaged when the driver shattered or it was put in upside down the piston will not return. Also the piston uses air fed into the return chamber from the little holes in the cylinder, if the seal over these holes is damaged the piston may not return. Basically change the bumper and the check seal on the cylinder.

Posted on Aug 05, 2009

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Very nice tool indeed. I have had mine since they first released it to the public but I have never had any problems with either size brads. Have you ever dropped the fastener? Check your rail for bends as it may cause the longer brads to be binding. If there are no bends, detach the rail and look to see if there is debris within the rail preventing a 2" length from advancing that would not otherwise affect the 1.5". If none of this seems to be the problem, return the brads to the store for replacement as the defect may be within the brads themself. Hope this is helpful.

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