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My nail gun stopped working...it could be seized up from lack of lubrication...is there a solution to this (Airco product)

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There could be a couple of things wrong. First and foremost check to see if there is a nail head stuck inbetween the driver and the nose. Use a flashlight and look into the nose. (Make sure it is not attached to an air hose. SAFTEY FIRST) If there is a nail head stuck in there you may be able to free it by using a flat head screw driver and a hammer to beat the driver back into the cylinder and free the nail head.

After checking for a nail you may want to remove the back head cap and see if any of the seals or orings are damaged. You may need to replace the main driver oring or seal. There may be damage to your cylinder if scarring has occured so make sure to inspect the cylinder with a flashlight.

Also check the valve orings and some brands have a spring and piston stop that get damaged.

If you could give me a better description of what occurs or doesn't when you hook up air I may be able to point you in the right direction a little better.

Posted on Sep 14, 2009

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I pull the trigger and you get a air sound but no firing of nails . You get air release from top of gun


Could be just a lack of lubrication in the headvalve /orings or the safety foot is not pushing in the trigger pin all the way. Easy to check. Remove the head and pull out the head-valve. Apply plenty of white grease or silicone paste to the orings and the surface where the orings make contact. Install the head and test. If the gun fires then you are done. If the gun does not fire, make sure that the safety foot is depressing the trigger valve all the way in when attempting to nail. Simple test is to remove the trigger exposing the firing pin. With nails removed and air connected, with quick motion depress the firing pin all the way in. If the gun fires make adjustments to safety foot. If the gun still does not fire (with headvalve lubed) replace the firing valve core part # ca0108. Good luck

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1 Answer

My new porter cable RN175B nail gun won't discharge a nail


If the trigger is set to single fire, you will need to place the gun against the work then pull trigger as you have done. Try setting the trigger to bump fire and try again. If hear a thump inside the gun, remove the head and check that the head valve in not stuck from lack of lubrication. Easy test, remove the nails, remove trigger pin, remove trigger and manually push trigger firing valve. If the gun fires then suspect faulty trigger or safety arm not lifting enought to activate the trigger valve. Good luck

Nov 21, 2012 | Air Tools & Compressors

1 Answer

Miss fires and wont sink nails depth set deep and pressure over 120 psi


If no air is leaking from gun, miss-fire is usually caused by worn or too tight piston oring or lack of lubrication. Easy test. Disconnect airline, remove nails, point nose of gun up then down. Driver should stay in uppermost position. If driver moves up then down within gun replace piston oring and retest. Set pressure to about 100psi. Good luck with repair.

Oct 14, 2012 | Porter Cable Coil Roofing Nailer

1 Answer

I have a Hitachi nv 83 nailer,the firing pin sometimes does not return all the way back in,I have pushed it in with a screw driver and it only works for a short while.Any help it would be much...


Are you oiling your nail gun, it sounds like it's suffering from a lack of lubrication? It doesn't take much pneumatic tool oil but nail guns have to have it to work for any length of time. If you have been oiling the gun, you may have o-rings inside the gun that are worn, broken, or blown out of place. You can remove the head and check the condition of the o-rings and see if the inside of the gun is dirty. Clean the gun up and pay partucular attention to the o-rings on the bottom half of the cylinder and piston. When reassembling the gun be sure to grease the o-rings well. If you still have the same problem you may have to rebuild the gun by replaceing all the o-rings. Unfortunately Hitachi does not make rebuild kits so you have to go to their website on an aftermarket site like www.ereplacementparts.com and order each and every o-ring.

Jun 26, 2012 | Nailers Hitachi Nv83a2 3 14" Coil Framing...

1 Answer

My nail gun was working fine and suddenly stopped. I checked to see if a nail had jammed or if the fuse had blown, the fuse was fine and i removed a nail from the shaft. When i tried to use it again it...


if this is a Bostich/Stanley nail gun that is a normal malfunction the best way to prevent this is to get a few drops of pneumatic oil in the upper portion of the nail tray, or some WD-40 and keep it lubricate after and before every use.

Apr 18, 2011 | Tools & Hardware - Others

1 Answer

Product NR83A2. Lubricate is coming from the trigger and exhaust cover. The nailer is new and I put lubricate in the gun prior to placing the air plug on. What is the best way to drain the excess...


Excess oil will eventually be consumed /blown out of gun, however if you store the gun over-nite with air inlet pointed down, gravity will assist. I find that oil /water will accumulate inside gun especially if compressor is passing oil and/or weather conditions cause system to produce lots of water. Majority of guns that come in for repair suffer from a lack of lubrication. Several drops at start of day should be ok for oil lubricated compressors and maybe more for oil-less. If oil drips out of gun overnight (if stored as stated above) then reduce drops. What actually shortens life of gun is debris that enters gun from handling and that enters hoses during transport. Before connecting air hose to gun (with hose under pressure) momentarily connect a spare quick connect fitting and blow debris out of hose.

Mar 16, 2011 | Hitachi 3 - 1/4" Framing Strip Nailer

1 Answer

Leaves about a 1/4" of nail from seating


This can happen for a number of reasons.

1) Insufficient air pressure (should be set to around 100PSI)

2) Hitting another nail or other extremely hard surface (old roofs are known for this)

3) Defect in the gun or lack of lubrication.

Since this is a reconditioned unit, I think that the gun is probably fine. Verify that the compressor has the correct pressure and that the hose is large enough in diameter to deliver sufficient air to the gun. Check the CFM (Cubic Feet per Minute) rating of the compressor/tank combo against the requirements of the gun.

Keep us posted,

Dan

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1 Answer

I have a craftsman 16 gauge finish nailer, model 918441. it is not advancing the nails. not certain how to adjust. cannot find the manual. is the manual available on line?


Assuming that the nails are correct for gun (16g nails measure .055) and feeder is actually applying pressure to nails (feel spring pressure as you close clip), most likely problem is driver is not returning to top of cylinder. This is caused by low pressure to gun, bent driver, lower bumper missing pieces/cracked, worn oring on piston or lack of lubrication. Remove cylinder and examine condition of lower bumper, replace if broken/cracked; check outer cylinder for check valve in place (usually small band or oring covering series of ventholes) ; replace piston oring as needed, make sure driver not bent. Parts available at sears web site. Good luck

Sep 08, 2010 | Craftsman Tools & Hardware - Others

1 Answer

Skips a nail after each shot


When this has happened to me, I found that the feeder was sticking. This is usually due to a lack of lubrication. Try placing some pneumatic oil onto the feeder area and then trigger the gun a number of times to work it in. (I usually fire the gun without nails for this.) Then load up the nails and try again. Make sure that you add oil to the air stream on a regular basis to keep this from happening again.

Dan

Apr 28, 2010 | Senco 1Y0013N FP35 1 1/4 Inch To 2 1/2...

1 Answer

After shooting a nail the ram rod stays down not returning to the ready position


1.) Lubricate nail gun
2.) Use correct air pressure. finish nailers 80psi and below. framing nailers 80psi and above.

I use nail guns every day, when the rod doesnt return 90% of the time its lack of lubrication. You should add a drop of air tube lubricate everytime before use.

If that doesnt work the rod may be bent or the seal around it may be worn.

Aug 15, 2009 | Air Tools & Compressors

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