I bough air gun and it was leaking out of the top and not foreign Wright so I replaced the ring and seal now it leaks no air and will fire great bit when I put the magazine in the 50 nails not to bad I but the 90mm it will for some and jams can you tell me what is wrong
SOURCE: Air leaks arond trigger when depressed, but no nail fires.
Where does the air leak out from? If it leaks from the trigger DeWalt makes a trigger valve assembly part # 641006-00 list 8.89 BUT if it leaks from other areas we have to look into it deeper. If it is just the trigger valve let me know and I will give you instructions how to remove and install the new one.
SOURCE: Dewalt 51488. Air leaks around trigger and won't fire nail.
Go to Dewaltservicenet.com and download a breakdown of the tool before starting. I would recoment changing all the O rings and make sure that you get a good grease to lube them first. Its not that hard.
SOURCE: nail gun wont fire
First - the air pressure has to be high enough - check the regulator on the tank to make sure it is delivering in excess of 60-70 psi (which I am sure you have already done).
If you have dry fired these guns (i.e. shot them off with no nails in them while you were lubricating them maybe) the mechanism inside could be damaged. I had that happen to one of my nailers (same brand). That was when I learned not to dry fire them...
Since both of them are not working though I would be more inclined to look at the air supply first.
SOURCE: Dewalt 51844 framing nail gun, Leaking air out
Go to eReplacementParts.com : Power Tool Parts and Tool Repair and find a diagram and the parts you need.
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