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Tubafore 04-11-2013 03:30 PM

Hitachi nailer problem
I have a Hitachi NR83A nailer and about every 9 or 10 nails the piston will come out and leave a big dent in the wood but no nail. I think it is because the piston is not fully retracting after the last shot so it doesn't catch the head of the next nail. I give it a few drops of oil before each use and it has only gone through a few thousand nails in its lifetime. If this was just framing I wouldn't care so much but I'm building a fence and the big dent is noticeable.
Any idea why it is doing this?

woodworkbykirk 04-11-2013 05:50 PM

what brand of nails are you using and what type. we have 3 of those guns at work and they do that if we use wire collated nails instead of paper. also what angle of nail are you using.. different guns will take different angled clips..

Tubafore 04-11-2013 07:49 PM

I have been using Grip Rite plastic collated 21 deg nails. I think the same specs as the Hitachi branded nails.

woodworkbykirk 04-11-2013 08:34 PM

grip rite is the problem.. they use to be sold here and pretty much everyone using them had issues.. no matter what type of nail.. be it framer, roofer, or finish.. change brands

Tubafore 04-11-2013 08:53 PM

I'll give another brand a try. Thanks.

mbryan 04-11-2013 11:03 PM

Also make sure the magazine is feeding well.

woodworkbykirk 04-12-2013 05:03 AM

i cant see the magazine being the issue. that model of hitachi gun is a tank.. the only other possible cause of the issue is using full head nails in a clipped head gun

mbryan 04-12-2013 07:32 AM

Have the NR83A2 and the top of the magazine got bent out a little, not sure how, and it would cause the nails to be bound up and not feed properly. Bent if back in and problem solved! Worth at least checking.

AngelArs 04-14-2013 04:35 PM

I use only Bostitch with my Hitachi nailer and have never had any issues with either :thumbsup:

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