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

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Brand new and leaks all of the air our the top, no power to shoot brad.

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Hi Philip, if pressing the gun down on timber and pulling the trigger doesn't release the switch to close the valve spray a little lubricant down the inlet connector with the trigger pressed then release. apply air and keep trying and if all else fails I think its time to return for a replacement or refund.

Posted on Apr 26, 2015


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These tools are designed primarily as staplers, with a gimmick of being able to shoot brads. If you need to do a lot of brad nailing, purchase a brad nailer -- air or electric -- to do the job. In the meantime, try placing one or two drops of thin machine oil (3-in-1 is a common brand) on the impact area of the tool. Sometimes the adhesive used to form brads and staples into strips builds up on the tool surfaces and keeps them from moving freely.

Dec 31, 2017 | Staples Tools & Hardware - Others

1 Answer

I have already changed trigger valve assembly, O rings and all. Still leaks when I try to fire. Will not shoot brads just leaks lots of air around trigger assembly.

Most likely problem is the head valve orings not making perfect seal. Remove the head and pull out the headvalve piston. Apply plenty of white grease to orings and test fire. If gun fires, will need oring kit soon. Good luck

Aug 14, 2015 | Stanley Bostitch SB1850BN 18Gauge Brad...

2 Answers

Nailer is shooting air out of trigger, is not releasing brad

Sounds like the head valve. Remove the head cap take out the head valve, clean, re-fit and give it a few drops of air line oil. Then give it a try. Good luck.

Oct 19, 2014 | Stanley Bostitch 18 Gauge Brad Nailer 1 -...

1 Answer

Air goes to gun but when trigger is pressed nothing happens, after pressing on board. gun is new

Same problem with mine. Right out of the box. Will shoot the first Brad after that nothing. Should have purchased another brand

Jan 18, 2014 | Campbell Hausfeld 2" 18GA Brad Nailer

1 Answer

Gun leaks

No it is not. It should not leak at all. Where is it leaking air from? The 3 obvious places are the exhaust at the top of the head, the nose where the driver comes down, and the trigger valve.

Jul 29, 2012 | Campbell Hausfeld 2-in 18 Gauge Brad...

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.

Oct 22, 2010 | Sears TNT 3 gal Air Compressor with 2 in...

1 Answer

Brand new brad nailer shoots 2 nails and then it blows air

first make sure that you are using the right guage nails and if so I would return it to the place of purchase for replacement., the blowing of air could indicate a jammed nail in the track, look for that first and make sure the driver is retracting fully.

Dec 18, 2009 | Stanley Bostitch 18 Gauge Brad Nailer 1 -...

1 Answer

New Porter Cable BN200A brad nailer won't fire.

I have seen this problem several times and have been able to repair like new by replacing part #894737 head valve seal. Upon assembly examine metal parts for fine scratches where orings or seals contact. Remove scratches with fine sandpaper (300-400 grit). Lube orings/seals with silicone lube sold at Lowes in the plumbing department (Danco Brand). You can buy this part from local Dewalt repair center or on the net at This part is alco included in kit #60061. Install the kit if gun is several years old or has lots of wear. This nailer will not operate correctly if there is an air leak. If you have a leak after installing new part/parts please email for directions. Good luck!

Jun 11, 2009 | Porter Cable Air Tools & Compressors

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