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Nails only partly firing in

I bought this secondhand, and for some reason when firing nails, the nails don't sink all the way into wood etc I've checked : 1) Different batteries, in case the batteries were the wrong ones or underpowered. 2) The settings on the external depth adjuster - unless there is an internal fault with this? 3) The firing pin - this isn't snapped or broken. So, it seems as if it's just not man enough to fire the nails in. Any ideas please?

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  • Elliot Feb 07, 2012

    I did list in the title, but can't see it now, it's a DeWalt DC618 18v nail gun.



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First make sure you are using the correct nails as far as gauge and angle. These are complicated tools and you may want to take it to a DeWalt service center for repairs. Here is a diagram for you if you don't have one.

Posted on Mar 07, 2012


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Posted on Jan 02, 2017

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SOURCE: multiple nails are ejected

its all about the pressure you solve this try pushing down then firing....i know its a pain and slows work a bit but it'll save you staples and from possibly firing THROUGH the shingle...pulling them up is enough of a pain anyway... also see if you can tighten the tip of the gun...that should make it less responsive, tighten the trigger as well...good luck

Posted on Feb 09, 2009

  • 4234 Answers

SOURCE: won't shoot nails

Usually this is because the "loader" is not moving the staples into the correct position. Make sure that the staples are loading correctly and that they move on the rail smoothly. Also, the spring should be pushing the staples toward the plunger. If the spring can not move freely, this will occur as well. Without seeing the actual gun, I cannot say for sure where the problem is, but the above are the first areas to look.


Posted on May 10, 2010

  • 1388 Answers

SOURCE: We use 3 Bostich Framing

We have several pallet companies on our area that use Max CN70 and CN80. These are very powerfull reliable nailers and parts are available thru many sources including

Any tool however used in harsh conditions and high duty cycle will need more frequent service to keep in tip top shape. As the bostitch nailers you are using now, they were probably good for your demands when new and slowly lost power. To get the most out or your nails, they need inline oilers allowing for oil vapor to enter the gun instead of oiling with drops during the day. Water traps also keep water from washing out the oil and cutting the orings. After first notice of loss of power, the lower bumper and upper bumper should be checked for cracks and piston and head valve orings should be replaced. Surfaces where orings make contact should be smooth and not scratched. Scratches should be removed with 300 grit sandpaper.

Posted on Sep 08, 2011

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