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Pipe coming out of gun #9112011 that connects to trigger broke off

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Why does wire keep coming out when trigger is not pulled


From the mig welder, unplug the trigger leads that exit the mig gun on the end of the gun that connects to the mig welder and power on your machine. If the wire flow stops, you have a shorted trigger circuit inside of the gun cable. If it doesn't stop wire flow, depending on your machine make & model, there is an internal issue with the trigger circuit that could possibly be just a simple relay issue.

Dec 25, 2014 | Welding Tools

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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...

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I have an fc350a nail gun. After firing one time, the piston will not retract until the air hose is removed from the gun.


May need a new firing valve or safety foot is sticking. Easy to check, Remove air supply, nails and remove the trigger to expose the firing pin. Connect air and place the nose of the gun against thick rubber or coiled air hose. Depress trigger and let go. Gun should fire and trigger pin will return to original position. If piston still does not retract then problem is with trigger valve and most likely the rest of the orings within the gun will need replacing. Not expensive. Remove the air supply and look closely at the firing pin, if it moves quite a bit from side to side and looks worn time to replace. If it look to be in good condition, then orings within trigger valve may be swollen and will not allow the trigger to function. You can remove the valve by removing the 3mm roll pins above the valve and applying air pressure to pop out the valve. Use heavy glove to catch the valve because it could come out with force (reduce air pressure to gun if possible). If gun works ok examine safety foot mech for problem. Use silicone paste lube on orings. good luck

Jun 12, 2011 | Porter Cable Cable No. FC350A Clipped Head...

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It is leaving the staples sticking up 1/2 " with


The driver blade breaks very easily on 18 and 22 ga nailers. I would suspect that the tip broke off. Easy to check. Remove the nails, connect airline and press the gun against rubber hose while holding the trigger. The gun will fire and driver will stay in the down position allowing you to check the tip. The tip should extend past the nose about 1/8 inch. When you release the trigger or pick up the gun, the driver will retract. Order parts as needed from www.toolpartsdirect.com

Apr 15, 2011 | Porter Cable Cable 18 Ga 1" Narrow Crown...

1 Answer

Engine runs , not getting any water flow when trigger pressed.


Disconnect hoses.
Look for kink in water hose.
Check incoming water connection for filter washer
Replace filter washer
If you don't have a filter washer, put one in.
Hook up water, and turn on
Water should come out other side of pump.
Turn on machine.
Do you get pressured water out of pump.
If no pressure, then pump is suspect
Hook up washer hose without gun
Does pressure come out of washer hose
Finally, the gun trigger may be bad.

We had to buy guns now and then.
Search for pressure washer guns
Following link shows guns we used:
http://www.ultimatewasher.com/pressure-washer-trigger-guns.htm

Oct 25, 2010 | Karcher G2650HHR Gas Pressure Washer

1 Answer

On the trigger of my Bostich Spiral load nail gun AND my Bostick trim nail gun air is leaking profusely from the trigger. Nail guns were not in use for about a year. When I first used them this weekend,...


A nail gun works on compressed air.
When you hook the air hose to the gun it fills a cylinder with air pressure.
When you pull the trigger. the cylinder pressure is released onto a firing pin that shoots the nail.
The air pressure line is also connected to the trigger and therefore the trigger has to be sealed.

When ever using a nail gun, you add a bit of gun oil in the back of the gun (not 3-in-1motor oil, it has to be non-detergent gun oil)

If you haven't used the gun in a while, it is best to oil up the gun and let the oil run down into the gun.
If you use anything but gun oil, the seals will give out.

Your trigger seal has given out. It is probably an 'O' ring. You can access it by taking it apart. Look for the O ring.
Bostich makes re-build kits for the different guns that you can buy on-line.
Back when I was in construction, there were several nail gun shops that sold and serviced nail guns, and sold nails to the contractors. I don't know if that business model is still active or if you have to send the guns to Bostich service center.

Oct 18, 2010 | Garden

1 Answer

The wire that connects the trigger to the lever that pushes the plunger broke. Where can I get a replacement? It's a Sunnex rivet gun.


I would guess that it would be easier to manufacture your own part from gas type welding rod than to purchase a factory made part. Good luck!

Feb 13, 2010 | Sunex Tools Air Rivet Gun 90 Psi, 3/16"...

2 Answers

Bostitch N60 finish gun - air leaks out of the trigger when the air hose is connected


There is an oring that is probably broke in half, It is referred to as a purple o ring. You can buy the whole trigger assembly but I think that just replacing the one will get you going. Let me know and I will try and help more

Jul 29, 2009 | Stanley Tools Staple/Brad Nail Gun

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