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Have 2 of the newer style NV90AG brought them in Fall, in the last week both of the driver pins have broken in half, thinking it has something to do with the cold weather, which it really isn`t that cold hear .
Just wondering if anyone else is experiencing this.
 

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Buy nv83's. We had a demo 90ag and didn't feel it would last 3 months. Make sure the lower assembly bolts are tightened and no play to the gun body. Loose bolts can cause the driver to be at an angle. Also breaks lower nose assemblies which are very expensive to fix
 

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I would repair any of the nr83's, there is no comparison to the quality of them compaired to the 90's, I have only had one of the 90's buddy talked me into it, needless to say it never made it through the job, won't be buying another one
 

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I wish I would've seen this thread earlier, we have 3 NV90AG, on the first one the driver became loose after 8 months of medium duty use. the 2nd one had a very similar problem last week, that one was 3 or 4 months old.

I don't even think the 2nd gun nailed a box of nails yet and the third gun is 3 weeks old but it seems like a really bad purchase now.
 

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I wish I would've seen this thread earlier, we have 3 NV90AG, on the first one the driver became loose after 8 months of medium duty use. the 2nd one had a very similar problem last week, that one was 3 or 4 months old.

I don't even think the 2nd gun nailed a box of nails yet and the third gun is 3 weeks old but it seems like a really bad purchase now.
Hitachi does honor the 5 year warranty though. they've probably replaced the piston in each of our 4 guns 2-3 times each already.
 
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