Question about Stanley Bostitch N88rh Framing Nailer Driver Piston 158582

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Gun miss fires several times and then fires one nail and repeats the cycle. Can you help? Thanks

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  • mrbillg581 May 22, 2011

    Hi,

    I tried all you mentioned and cleaned and lubed all parts in the nailing and feeding area but still not working.

  • mrbillg581 May 24, 2011

    I did all that and still no differences. I did notice that the trigger sometimes makes a click and sometimes not. Could that be a problem?

  • mrbillg581 May 27, 2011

    I think you may be right about the nails I use, although I've tried several brands. I tried firing one single nail and no problem. When I put a stack in, the second nail gets in the way of full compression of the point not allowing it to fully retract unless I press really hard on the gun
    then it fires every time. Do you agree that nails are the problem?

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Could be a couple items. First I assume that you are using the right nail collation. Next UNPLUG the air and remove all the nails, do they slide in the magazine freely if not that could be one cause. If they do next look at the driver blade is it all the way up to the top of the nose, pull back on the nail follower to get a peak. Next GENTLY tap the nose on a block of wood and does the driver FALL down easily and if so the oring is worn not pulling the driver back up to allow the next nail to advance. Lastly look for a partially jammed nail in the nose area that might not allow free movement of the driver blade after shooting. I would have to think it is in the o ring/piston area. Let me know if you need more assistance

Posted on May 19, 2011

  • David Ford
    David Ford May 23, 2011

    did you recheck the nails? they can cause a misfeed if not moving freely in the magazine. Also did you check the condition of the driver/piston if it does not retract fully on the first shot it might take a couple times to fully retract to allow the next nail to advance. I think it is going to be one or the other.

  • David Ford
    David Ford May 24, 2011

    the click would probably be from the safety. You indicated the gun was firing but misfiring some nails. If the gun won't fire/drive piston every time then that is a different problem and I would recommend buying a rebuild kit and replacing all the orings. If the gun fires all the time but won't advance the nails it has to be in the areas I mentioned. Do the nails slide freelly and there are no obstructions/jammed nail in the path, the only other area I see is that the piston is not retracting enough to allow the next nail head to come under it ready for firing.

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