Question about Hitachi NR90AE Full Round Head Framing Nailer

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Hitachi nr90ae nailer doesn't shoot nails consistently

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: On the Hitachi NR83A2 nailer. Where does the end

Hi,
It goes thru the same hole as the magazine bolt on the nose. Sounds like yours is broken.

Posted on Oct 10, 2009

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SOURCE: Can I use paslode roundrive nails in a Hitachi NR90GC Gas Nailer

Yes, BUT the paslode Round drive nails and known to cause driver jamms due to the excessive paper used in the spacing of the nails.

Posted on Oct 31, 2009

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SOURCE: Hitachi NR83A2 nailer pushes next nail down

Are you using full round head nails?

The hissing indicates your O-rings are worn out and need to be replaced. This is not covered by warrenty and is common for all nail guns. Lots of kits are available on Ebay or your local Hitachi service center should stock them.

Hope this helps,

Cheers

Posted on Jan 22, 2010

  • 1388 Answers

SOURCE: Hitachi nailer does not sink nails completely, no

You must have broken tip or out of adjustment. Easy to check. Remove nails, and push safety against scrap air hose or rubber to absorb blow and squeeze trigger. Piston will stay in the down position until your release safety (on some models you will need to pull back on feeder sligtly). While piston is down examine the end of the driver for nice squared off tip protruding about 1/4 inch beyond nose. If no tip or looks broken, replace driver. If tip looks complete, adjust for more depth. Good luck

Posted on Sep 07, 2010

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SOURCE: I have a HItachi NR

Likely that debris is lodged between driver and body of nose or bent driver. Easy fix however.
After many broken drivers, I keep and old driver in my tool box and insert it into the nose of the gun. I have ground the driver slightly thinner to allow for debris or the driver that I am pushing with will also get stuck. A couple of swift raps (use a heavy copper or brass hammer to prevent chips of metal from blasting at you) should push the driver back up into position allowing you to clear debris.
If after a couple of hits and the driver seems stuck solid, suspect broken driver. Remove the head and see if the driver piston looks cocked at angle. If cocked, driver broken. Remove cylinder and remove broken driver. If piston looks square in the cylinder, most likely very stuck driver.
With cylinder removed place body of gun on plywood and hammer on the rod that you are using to push.
After clearing problem and with the gun open, clean all parts with diesel fuel and lube with silicone paste lube (or nail gun lubricant). No need to replace orings if there were no leaks. Look at the lower bumper for cracks and replace as needed. Also make sure that the black band fits snugly around cylinder (black band is one way valve, causes piston to return to top).
Good luck with repair

Posted on Aug 10, 2011

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1 Answer

Driver pin on hitachi nr90ae fell out and apears to have sheared off.


Just as a matter if interest, were you using the tool in soft or hardwood? This is something that only happens if repeatedly used in an extremely hardwood like Ekke or similar. Did Hitachi resolve the problem with you?

Regards
Alex

Feb 02, 2013 | Hitachi NR90AE Full Round Head Framing...

1 Answer

Hitachi roofing nailer shoots every other nail & doesn't sink the nails it shoots


i think you have two different problems , replace the feeder spring, and replace the oring on the driver piston. also make sure that the coil of nails is perfectly round if they are dropped or squeezed tool will not work right

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1 Answer

NR90AE Nails jammed how to remove


New user will jam the gun/ nails because gun was most likely not bump fired. Placing the gun then depressing trigger will usually cause double fire in the hands of new user. New user should practice on scrap lumber bump firing at many angles till they get the idea; or give them a training period with a nailer that has a single shot trigger (they may develop bad habits with single shot however).

Nov 14, 2011 | Hitachi NR90AE Full Round Head Framing...

1 Answer

Hitachi NR83A2 nailer pushes next nail down


Are you using full round head nails?

The hissing indicates your O-rings are worn out and need to be replaced. This is not covered by warrenty and is common for all nail guns. Lots of kits are available on Ebay or your local Hitachi service center should stock them.

Hope this helps,

Cheers

Jan 22, 2010 | Hitachi NR83A2 2" To 3 1/4" Full Head...

1 Answer

Nail jamed in Nr90AD model heard their is a recall on this model it is nearly new received from father as a gift


I have the same nailer and I got a nail jammed in it when I hit a piece of metal.

I had to take the magazine off then remove the safety. This can be done with a hex key and a small wrench. Onece I had access to the nail head I banged it out with a hammer and small punch. It all depends on how and where its jammed, hopefully you don't have to take it apart and can just pull it out with pliars.

Dec 21, 2009 | Hitachi NR90AE Full Round Head Framing...

1 Answer

Sparks when shooting a nail


Hi,
It is common to see sparks. It is metal striking metal. Although, if it sparks alot. It could be a chipped driver blade and the nail would not drive all the way. Does your sink `em?

Aug 15, 2009 | Hitachi NT65MA2 1 1/4 To 2 1/2 Inch 15...

1 Answer

I own a hitachi nr90ac3 framing nailer and i


Oil leaking out of the nailer anywhere is just an indication that too much oil is being introduced. A good solution would be to reduce the amount of drops until no more leaks out or use an in line oiler at the gun. An oiler costs under ten dollars and feeds in oil vapor as you use air. Store / hang your nailer with the air inlet down at night to drain out access oil. Do not worry too much about the leaking though, I think that a bit too much oil is better than a lack of oil. Good luck.

Apr 10, 2009 | Hitachi NR90AE Full Round Head Framing...

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