Question about Campbell Hausfeld 2-in 18 Gauge Brad Nailer NB0040MVRB

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Compressor nail gun not working

On first magazine of nails with new gun. Worked just great till last 15 nails. Now it just puffs air with no nails firing. I've tried the adjustment know and the air pressure is correct at 100 psi.

Posted by Anonymous on

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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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Boole5555
  • 160 Answers

SOURCE: 16g wont shoot nails. bottom flat piece comes out

You broke the "hammer" you can open the housing and replace it, fairly simply. You can buy replacement parts at most large scale hardware or tool stores. The task takes about 10 min, and some simple hand tools.

Posted on Jan 05, 2010

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  • 1388 Answers

SOURCE: Gun fires, leaves good indentation, no nail. WCE

Remove nails and use thin tool to push driver all the way up to top of cylinder. If the gun fires one nail then skips, the driver is not returning to top of cylinder. If no nails fire, then nails are not feeding into proper position. Driver must return to top to allow nails to feed into position. Most common problems are bent driver, worn piston oring and bad batch of nails(head too large). Good luck

Posted on Jan 17, 2011

  • 1388 Answers

SOURCE: I have a 34 degree

May just be a stuck headvalve or safety is not pushing trigger pin all the way into trigger valve. If trigger pin is being pushed up all the way into valve, check headvalve. Remove head and try to press in headvalve with thumbs. If it feels stuck, apply air pressure to vent hole on gasket surface to pop it out. Apply silicone paste lube to surface and orings. Re-install and check. If head valve was not stock, lube and replace head.

Posted on Feb 01, 2011

woobie dog
  • 1273 Answers

SOURCE: i have three nailers from CH and all of them sound

Check and adjust the air pressure at the compressor. All air tools have a recommended range of pressure, and you may not have enough air for the tool to work. Also, place two drops of pneumatic oil or light machine oil into the air inlet at the nailer, and then connect the hose. Fire the gun several times into scrap wood. Oil with 2 drops daily.
Best regards, --W/D--

Posted on Mar 06, 2011

  • 1388 Answers

SOURCE: air leaks when triggered and no nail

Make sure no nails in gun. With air connected listen for leaking thru nose of the gun also. If leaking thru nose slightly, air is getting past the cylinder seal oring and/or top of cyl is not seating against headvalve. Repair leak to nose of gun before trying to fix head leak. With no air leaking thru nose of gun, add plenty of white grease to orings in the head (one oring at a time) to see if leak is less and/or grease will streak behind the leaking oring. Then repair as needed. May need slightly thicker oring or sand surface where oring makes contact to remove scratches that are allowing air to pass. Also air can enter the head thru the small port in the gasket leading to the head (make sure that the gasket is sealing).

Posted on Nov 08, 2011

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1 Answer

When i tried to use the nail gun, it only produce a little pop and no nail came out


Try spraying Carburator cleaner to clean out the air chamber on the gun, and where the nail comes out

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Why might my nail guns not work?


Have you lubricated either nail gun? If not, go to Home Depot and get a bottle of air tool oil. It's in tools by the compressors. Disconnect the air hose from the tool. Pour about a teaspoon of oil into the air inlet of the tool. Reconnect everything and try it 10-20 times with no nails in the tool. Then try it with nails. Good luck.

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Hitachi nail gun


If gun firing but nails not being driven could be one of two basic problems:
1. Nail jammed in magazine not allowing nails to move up.
Empty magazine, does follower move to top of magazine. Push gun against work piece, does fan motor start? Yes - jam in magazine or lock out bar not operating. (this would allow nail un to fire when out of nails)
2. Piston/driver not returning fully after firing, hence driver blade on top of next nail instead of behind it. This could again be caused by a jammed nail or just a nail head. Another case of not returning is the combustion chamber not making a good seal, check O rings on framer (they are steel rings on bradders) it may just need a good clean it is surprising how dirty they can get and if not cleaned a build up of dirt could break a seal. If not been cleaned for a long time worth checking piston rings, worst case scenario dirt builds up around the rings and stick fully in requiring new piston if the rings will not come out.
Nail guns work on the principle that an explosion pushes the piston driver forcing a nail into the work piece, after the explosion a vacuum is created and it is this that 'sucks' the piston/driver back up the cylinder.

Mar 27, 2014 | Tools & Hardware - Others

1 Answer

Misfires new gun


If your using refills that have wire holding the nails together.
Check to see if bits of wire, debris is collecting in around the striking hammer. I switched to paper and never looked back. Must have gone through 5k worth of nails and rarely jams. Other things to check,
1. Check the striking hammer, make sure it is not bent or damaged.
2. Check air pressure, Low pressure can cause jamming, misfires.
3. If the tool needs pneumatic oil, 2-3 drops before you start good rule of thumb.
4. Check spring return. Sufficient pressure must be maintained or the nails will not feed properly. Misfires, incorrect feed, jamming etc.
I had a Hitachi brad nailer and it was horrible. Fire 1 brad nail would jam or misfire. Did everything I could think of nothing worked. Put it up, got a Rigid brad nailer and never looked at the Hitachi again. :)
Sometimes you just get a lemon! (PS I understand you have a framing nail gun. Brad nail gun above is used for an example)
Hope this helps

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1 Answer

Does the brad nailer only use 2" brads or cam smaller nails be used also


Most nail guns are labeled with the longest nail/brad they can shoot but are capable of shooting shorter nails/brads. There should be a data sticker on the gun, usually on the magazine rail, or at least in the manual that tells you what pressure to operate the gun at, what guage brads the gun can shoot and the size of brads from shortest to longest it can handle.

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1 Answer

What is the angle of the 15 gauge nails for this gun and what nails are compatable


You did not mention the brand or model of your gun, however, you can determine the angle needed by placing a straight edge in line with the path of the driver and measure the angle from this edge to rails.. If the straight edge to the rails measure 90 degrees or makes a right angle, you need "0 degree" nails, if it measures 80 degrees, you need "15 degree" etc. Most generic nials 15 gauge nails will work. No need to by branded nails unless your gun requires an unusual angle. Good luck.

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1 Answer

Not sure how to load nails into magazine


Generally two reasons for nails not to make contact with driver. Make sure that the driver is returning to top of cylinder. If it stays in the path of the nail feeder, the nail cannot slide into position. Second, nails are not the right type or gauge for gun. Some nails even if they are the right gauge have a large head not allowing the strip to enter into chamber. Remove air hose from gun, check that piston is all the way up, then slide nails into chamber and see if they go all the way in easily with-out having to push. You should see the first nail in place from bottom where nail shoots out. The angle of the nail is very important. most pin nailers are 0 degree (not angled), but others have an angle. The gun should be labeled as to angle of nail. Hold a strip of nails against the outside of the magazine and see is the first nail is in line with the driver path. Good luck and post again if you have other question.

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1 Answer

Where do i get the nails for this gun?


Most home/building-supply centers carry a variety of cut-head/full head nails that are glued in angle patterns. Take the gun to the store and match a clip to the magazine. If the angle of the nail stack fits up to the nailing head, they should work. If you bought this machine new, the manual should have described what was required. Hope this helps!

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1 Answer

Third nail does not go all the wway


Have you checked to make sure the depth adjustment hasn't moved.

If it got banged hard enough it could have moved it and reduced the impact of the nailer

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1 Answer

How to Install Air Compressor and Nail Gun


Set up the pressure on the air compressor. First plug the air compressor in, then check the pressure. It should be between 90 and 110 pounds per square inch (PSI) for home use. If it is not in this range, turn the knob to the left to decrease the pressure and to the right to increase the pressure. Use the appropriate nail gun for the job. For example, to nail shoe molding to base boards, a standard finishing nail gun would be perfect. It holds any size nail between 5/8 inch and 2 inches. This nail gun could be used for many projects with great results. Check the gauge the nail gun takes before purchasing the nails for the gun. If you get the wrong gauge they will not fit in the gun. You can check this by looking at the information printed on the side of the nail gun next to the model number. You can also open the nail chamber for this information. Attach the nail gun to the air compressor. You can do this before or after you load the nails into the gun. Use the air compressor hose to attach to the bottom of the nail gun. It screws on much like the end of a hose. If you do not have the right size air hose, you can find one at your local hardware store.

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