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I cant get my hitachi nr90ae nail gun to fire

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Have you kept it properly oiled? It might be jammed because it's too dry.

Posted on Oct 24, 2018

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Posted on Jan 02, 2017

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SOURCE: Hitachi Framing Gun Not Firing - Bad Battery?

Does the fan run and the light blink ont he nailer? I have one that I just bought. I put in the wrong type of nails and got one stuck. I had to take the front apart to clear it and now the damm thing wont fire. The green light blinks and the gas cartridge is basically full, even the fan does run after I release the push lever, but no fire???

I wonder if yours is the same as mine did fire for a couple nails first just fine then got jammed...

I will try to charge the battery more.... MAybe like yours it needs a strong charge for the spark...
Russ

Posted on Oct 05, 2008

  • 104 Answers

SOURCE: paslode im350

Stuart - this sounds like an air problem - you should perform the following test. With the air nailer close to the compressor you must monitor the airpressure after the gun fires. it sounds like the air is not gettting through diapram fast enough or there is a blockage in line. Blockage in line is not suspected for the following reason . It sounds like the air hose is holding enough air to fire 2-4 nails and then you must wait for the line to fill up again and then it fires ok. The pressure regulator out to the line controls this and they do fail. try this test and report back to me - I know I can solve this for you as I have extensive background in compressor and the like.

Posted on Oct 22, 2008

  • 10865 Answers

SOURCE: Bostitch nail gun loss of pressure, won't fire nail

Hello. I can help you. The nail gun you have uses 18 gauge brads. I would use only original Bostitch 18 gauge.

The one MM of difference you mention is the reason why you do not have the pressure you did have. Get rid of those 31MM brads and get the 18 gauge. Home Depot carries the Bostitch line. I would go there or to homedepot.com

Posted on May 20, 2009

  • 12 Answers

SOURCE: My finish nail guns, 16 ga won't fire.

There is a little plastic piece inside above the trigger...usually this breaks. It touches a microswitch when the cylinder is closed all the way, allowing the nail to fire.

Posted on Oct 04, 2009

  • 1244 Answers

SOURCE: Hitachi NV45AB coil nail gun is leaking air from

the top!! o-ring inside of thr top plate is bad you need to remove the plate /dissasemble and replace the o-ring

Posted on Jan 21, 2010

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I have a hitachi nr90ae that will not fire. Depress nose and trigger and gets nothing. What's next?


Remove nails and air supply. Firmly depress safety foot against work with trigger depressed and make sure that firing pin is pushed all the way in. If firing pin is being activated by safety foot most likely problem is stuck cylinder or head valve. If the gun has been dropped the cylinder my jam. Remove the head and make sure that the cylinder and or headvalve moves and that the driver is not stuck in place. Good luck

Mar 07, 2013 | Dewalt Tools & Hardware - Others

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

Why does my Hitachi nv45ab gun double fire nails?


This gun should be bump-fired only. Do not place the gun on the work and press trigger. Make sure that the safety spring is in place and has good tension. The spring helps to push the foot off the trigger so that it fires once. You could also adjust the screw that pushes on the firing valve. Turn in or out several turns till head of nail is correct when bump firing then lock the nut. The safety foot fits rather loose on the gun and should still work ok but can get so loose that it falls off the nose. Good luck

Jan 23, 2013 | Hitachi Air Tools & Compressors

1 Answer

Nail gun problem


This is a bottom fire tool. (NV83A2) You need to hold the trigger down and then as you place the nailer to the wood the safety will depress and it will fire once. This is usually done in one, swift action. If you do this in the opposite way by placing the tool to the wood and then pulling the trigger they often will double fire.

Jul 05, 2012 | Nailers Hitachi Nv83a2 3 14" Coil Framing...

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

I have a NR90AE . It's been used about 8 hours. It suddenly would not work at all when I pulled the trigger. The compressor seems fine. This is the first air nailer Iv'e owned and know nothing...


Over time the orings within the nailer will dry out causing problems. Adding oil thru the air inlet will not get oil to all the orings. If the gun had been in storage, add a few drops of oil into air inlet and spray silicone (or teflon) spray lube into air discharge opening at the top of the gun (it is difficult for oil to get into the head from air inlet). Before you connect the air, remove the nails and make sure that the drive piston is at top of cylinder. You can verify by inserting long metal tool (slightly larger in diameter than nail shaft) into nose of the gun and tapping firmly. This will move the piston up against the headvalve and hopefully reset it and allow oil the lube orings. If the headvalve is stuck, gun will not fire. Make sure that the safety foot is depressing the firing pin at trigger valve all the way in. Retest gun for proper action. If still no joy, remove the head and lube orings with silicone paste lube(silicone past has better sealing action but dries out over time). Good luck

Aug 25, 2011 | Hitachi 3 - 1/4" Framing Strip Nailer

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...

2 Answers

Hitachi Framing Gun Not Firing - Bad Battery?


Does the fan run and the light blink ont he nailer? I have one that I just bought. I put in the wrong type of nails and got one stuck. I had to take the front apart to clear it and now the damm thing wont fire. The green light blinks and the gas cartridge is basically full, even the fan does run after I release the push lever, but no fire???

I wonder if yours is the same as mine did fire for a couple nails first just fine then got jammed...

I will try to charge the battery more.... MAybe like yours it needs a strong charge for the spark...
Russ

Sep 28, 2008 | Hitachi NR90GR Cordless Round Head Gas...

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