I have a N59FN that will not fire unless I apply tremendous force to the work area as I pull the trigger

Did you replace the complete trigger valve? Is that where it is leaking from? If it leaks from the nose or bottom of the gun that is likely one of three o-rings that seal it to the nose. Items 11, 13, and 27 on this parts diagram. If it leaks a lot of air from the head then that is either head valve o-rings or the cylinder seal (item 9).

N59FN parts diagram

Jun 25, 2012 | Stanley Air Tools & Compressors

1 Answer

Hey, I'm having trouble with my Dewalt 18ga Brad Nailer trigger. Can you send me the directions you have on how to get into this thing? I'd really appreciate it.

For removal of dewalt D51238k trigger valve. Remove the nails.
Remove the pin holding the trigger in place. Then remove two roll pins in the body of the gun just above the trigger (3mm roll pins). With gloved hand, apply air pressure to the gun which will pop out the trigger valve. Use caution because the valve could come out with force. Try with low pessure first, then increase as needed. If you are removing the trigger because the gun will not fire, (only puff of air from trigger area), suspect problem in the head valve instead (usually, trigger valve is bad if air leaks from trigger when you connect air ). Good luck

Sep 26, 2011 | DEWALT D512381 18Gauge Brad Nailer ORing...

2 Answers

My D51257 nailer will not fire, and air escapes from the trigger. Do I need a new trigger valve? If so, how do I replace it?

Take a look on amazon for it: Amazon com dewalt trigger valve I hope this was helpful. Have a nice day

Aug 25, 2011 | Dewalt D51256K 16 gauge finish nailer kit

1 Answer

Leaking air through trigger area. Will not nail at all.

The trigger valve has seven orings. The oring kit may not include all orings needed. To replace the trigger valve, remove nails, remove the rollpin holding the trigger with 3mm driver to expose the trigger valve. Next remove one or two roll pins holding the trigger valve in the body of the gun. Apply air pressure to gun and catch the valve with gloved hand (use caution because the valve may come out with force). Note the position of the valve in the body of the gun in relation to the roll pins. If the firing pin seems loose in the body of the valve, replace the whole valve(could be # tva6 cost about 20 dollars on ebay). Good luck

Aug 23, 2011 | Stanley Bostitch N80s Nailer -rebuild...

1 Answer

Hello, there is air coming from the trigger area, I suspect there is some kind of o-ring or some kind of seal broken where the trigger goes into the piston area, I just want to know how to take that apart...

Trigger valve is part number A08368 or (old part #897458). Easy repair. Remove air supply hose, and nails. Remove pin holding trigger to expose trigger valve. Spray soapy water on valve to determin if air is leaking from outer part of valve (orings that contact the body) or around the pin. Remove roll pin/s holding trigger valve in body of gun (use 3mm pin driver, some guns have one pin others 2). With pins removed, apply air pressure to gun and valve will pop out (use heavy glove or rag in hand to catch valve because some valves come out with force). With trigger valve in hand notice the two groves on sides of valve that roll pins contact (when you re-insert valve align valve so groves align with roll pin in body). Remove the two pins holding inner workings of trigger valve. There are two orings on the trigger pin, three orings on the inner valve and two orings on the outer part of body of valve. Usually, the orings that cause leak are the two smallest on trigger pin and three on the inner valve (unless soapy water test indicates outer orings). Orings are available at dewalt service center by part number or if you like to tinker, Lowes has many usefull orings in the plumbing department or replace the whole valve for about $25. Use plenty of silicone paste lube on the orings (sold at lowes). Valve should press in without a great deal of force and be sure to align valve to roll pin in the body. Use 3mm punch to temp. hold valve in gun for test. Good luck

Mar 28, 2011 | Porter Cable Cable No. FR350A Rnd Head...

1 Answer

My n59fn has huge air leak by the trigger and will not function

I had this problem once and the trigger was defective internally. You should be able to purchase a replacement trigger assembly at the link below.

Link: http://home-and-garden.become.com/tva6-trigger-valve-assembly--compare-prices--c205367842

Cost: $19.99

Hope this helps,
Dan

Apr 22, 2010 | Stanley Bostitch BT200K

1 Answer

Dewalt angled finish nailer, just got, when nose is depressed and trigger pulled, just sound of air releasing, wont fire..... need trigger assembly?

if air is released when the trigger is pulled then stops when the trigger is released , then the trigger is doing its job. its probably a firing valve issue. four screws will take off the top cap of the gun the firing valve is inside of the cap . first check to see if the gun has enough oil( unless its an oil less gun) if its dry then grease or oil all of the orings, if this dose not work check to see if any of the orings or plastic parts need replacing. pls rate this answer...;tks

Feb 14, 2010 | Dewalt Air Tools & Compressors

1 Answer

I just bought the wolf 209 magnum and trying to get familiar with it but the hammer when pulled back and fired does not hit the firing pin it's like there is something stopping it right before.. is there...

most all guns made now with a hammer use the transfer bar system for safety to make sure that it will not fire unless the trigger is pulled. **** the hammer and hold it back while you pull the trigger. You should see a flat bar move up and position itself between the hammer and the firing pin and this transfers the force from the hammer to the firing pin. If you do not see this happen then you need to take it to a gunsmith and get it repaired. hope this helps you.

Oct 13, 2009 | Sport & Outdoor - Others

1 Answer

When pressing the trigger to fire a staple, all I get is an air leak from the area of the trigger.

They all leak a little on firing. Is it a big blast of air or just a hiss? All guns have a 'safety' device that keeps them from firing unless you follow a set pattern. You must push the gun down where you intend to put the staple which releases the safety before you pulll the trigger. You must then release the trigger move the stapler off the piece push it back down again before you can fire another staple. You can get (free) frrom the manufacture a rapid fire shoe and trigger that allows you to hold down the trigger and bounce the stapler along your work shooting merrily away.

May 08, 2009 | Air Tools & Compressors

1 Answer

Jammed makita an923 nail gun

On most all nailguns when the trigger is activated air pressure is released from the headvalve causing the headvalve to open and fire the piston. If air leaks through the headvalve orings or through the headgasket port to headvalve, it will not fire. Try applying light grease to headvalve orings and make sure that headgasket is sealing around vent hole. If it fires then replace orings in headvalve for long term repair. Secondary problem is worn safety parts and trigger or trigger pin. If these parts are worn the trigger will not push the trigger valve pin all the way in when you bump fire the gun. With air supply disconnected, apply pressure to safety while depressing the trigger and check thet the pin is moving all the way into the trigger valve. Adjust or replace as necessary. Enjoy

Sep 13, 2008 | Air Tools & Compressors

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6ya staff · Answer 1 · 1/2/2017 12:00:00 AM

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Michael Thorpe · Answer 2 · 11/23/2009 12:00:00 AM

the best place i can send you to is "google,,sprinfield rifle schematics" you will fine a blow up photo of all the parts to look at,, but the fault is in the triger sear return spring

jmthomas32 · Answer 3 · 2/21/2010 12:00:00 AM

I have the same problem and found the fix. The angled bar from the foot to roughly the trigger is not pushing the trigger release in far enough. If you push the relase in manually, it will fire. Then you can adjust it accordingly.

scubawess · Answer 4 · 1/4/2011 12:00:00 AM

Make sure your battery is new. It doesn't take a lot of voltage drop to affect performance.

Make sure your marker is clean, and properly lubed with a quality oil make for paintball.

Make sure your board connections are secure. You can change modes on the e-trigger yes? Go through them and fire a few times in each to ensure it's changing.

Make sure you have a full tank of air while your testing to make sure this isn't a problem as well, or causing your issues.

Good luck!

Play hard, play safe, play with honor!

8^)

D. Floyd Kolb · Answer 5 · 3/6/2011 12:00:00 AM

D. Floyd Kolb

43501 Answers

SOURCE: plaslode im250 second fix nail gun fires

Hi,

Here is a tip that I wrote about the Paslode nailers and the problems that can come up with them.

I also have a link to the Paslode manuals which contain Paslode cleaning and troubleshooting guides.

If you need parts for your Paslode, there also is a link for a site that sells the Paslode nailer parts.

Paslode Cordless Nailer Problems

heatman101

,/,/,./

Posted on Mar 06, 2011

John Trevino · Answer 6 · 5/27/2011 12:00:00 AM

There are 4 orings that cause this problem. Two are in the trigger valve installed on the firing pin. The firing pin can be seen just under the trigger, however if you replaced the valve, you could assume no problems with the trigger valve. I would take apart the old trigger valve and examine the orings on the pin. The pin should fit snugly in the trigger valve cap and also in the valve. If the orings look good and it does fit snugly, most likely valve is still good. The other two orings to suspect are installed on the cylinder inside the nailer and make contact with the bulkhead (white plastic piece that seals the cylinder note parts reference 55, 74, 11 on the parts list). For parts list and to order parts go to www.toolpartsdirect.com Good luck with your repair.

I have a N59FN that will not fire unless I apply tremendous force to the work area as I pull the trigger

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My N59FN has a new trigger *** and o rings still leaking form bottom it fires but will not nail.

Hey, I'm having trouble with my Dewalt 18ga Brad Nailer trigger. Can you send me the directions you have on how to get into this thing? I'd really appreciate it.

My D51257 nailer will not fire, and air escapes from the trigger. Do I need a new trigger valve? If so, how do I replace it?

Leaking air through trigger area. Will not nail at all.

Hello, there is air coming from the trigger area, I suspect there is some kind of o-ring or some kind of seal broken where the trigger goes into the piston area, I just want to know how to take that apart...

My n59fn has huge air leak by the trigger and will not function

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I have a N59FN that will not fire unless I apply tremendous force to the work area as I pull the trigger

6 Suggested Answers

6ya staff

Michael Thorpe

jmthomas32

scubawess

D. Floyd Kolb

John Trevino

Add Your Answer

Attachments: Added items

Related Questions:

My N59FN has a new trigger *** and o rings still leaking form bottom it fires but will not nail.

Hey, I'm having trouble with my Dewalt 18ga Brad Nailer trigger. Can you send me the directions you have on how to get into this thing? I'd really appreciate it.

My D51257 nailer will not fire, and air escapes from the trigger. Do I need a new trigger valve? If so, how do I replace it?

Leaking air through trigger area. Will not nail at all.

Hello, there is air coming from the trigger area, I suspect there is some kind of o-ring or some kind of seal broken where the trigger goes into the piston area, I just want to know how to take that apart...

My n59fn has huge air leak by the trigger and will not function

Dewalt angled finish nailer, just got, when nose is depressed and trigger pulled, just sound of air releasing, wont fire..... need trigger assembly?

I just bought the wolf 209 magnum and trying to get familiar with it but the hammer when pulled back and fired does not hit the firing pin it's like there is something stopping it right before.. is there...

When pressing the trigger to fire a staple, all I get is an air leak from the area of the trigger.

Jammed makita an923 nail gun

Not finding what you are looking for?

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My N59FN has a new trigger *** and o rings still leaking form bottom it fires but will not nail.

Open Questions:

after user manual auto xs jump starter with air compressor

Atlas Copco GR1520W air compressors."Gearbox" overpressure valve keep dumping oil.New one was fitted but still leaking.All the pressures and temperatures are normal on the machine.Please help.

I need parts for air stapler Central pneumatic 1/2 crown Mod 46365 Piston set or inner spring and driver blade

o ring for centralpneumatic nailer/stapler model 68019

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