68Automag A.I.R. Valve On/Off Issue

audioSLAVE · 03-16-2013, 04:12 PM

I'm getting a high pitch farting noise when I'm holding the trigger back, like something is not sealing properly. I recently changed out all the o-rings in the on/off. Top, bottom and pin are still the same and I just replaced the top with a stock top. And freshly oiled as well.

This was a new-to-me valve that I started rebuilding and fixing up and appeared to have some sort of aftermarket on/off top that was stuck at the bottom of the on/off reservoir. (Top Hat shaped with holes on the side) I'm hoping I didn't mar the sides of the reservoir when I was trying to remove it.

Would this cause the issue or does this issue sound familiar to anyone else as far as being more common, as far as debris on o-rings or bent pin? The pin looked fine and rolled on the table flat and the o-rings I put in were new.

I'm going to swap out the on/off completely with another gun to see if problem follows when I get home from work but was hoping someone might be able to isolate the issue from experience. Thanks in advance.

adam45 · 03-16-2013, 09:34 PM

CO2 Or HPA ?

audioSLAVE · 03-16-2013, 09:54 PM

HPA

adam45 · 03-16-2013, 11:57 PM

Replace the Valve Body Hole Small O-ring and check to see if the on/off pin is upside down.

adam45 · 03-17-2013, 12:24 AM

Also check to see if the on/off pin is the correct length. Its possible that the on/off pin was made shorter to create more reactivity with the different top.

Also if the on/off top was stuck in the Valve body there may be a small bit of Oring residue inside the Valve body that is not allowing a proper seal. Have a good look in there and clean it really well.

Lol. Is that enough?

audioSLAVE · 03-17-2013, 02:59 AM

Thanks for the input. After swapping bits and pieces between two markers I was able to isolate the issue to one of the two top o rings that were "new". There was also some minor debris from previous o ring in the on/off top.

Are you doing North Shore for Easter this year Adam45? I met you a few Easters back out there when I was visiting my brother, he had the purple Grimace mag. Hope all is well on the west coast, thanks again for the help.

adam45 · 03-17-2013, 07:56 PM

Quote:

Originally Posted by audioSLAVE

Thanks for the input. After swapping bits and pieces between two markers I was able to isolate the issue to one of the two top o rings that were "new". There was also some minor debris from previous o ring in the on/off top.

Are you doing North Shore for Easter this year Adam45? I met you a few Easters back out there when I was visiting my brother, he had the purple Grimace mag. Hope all is well on the west coast, thanks again for the help.

Hello again

I will be at the Easter game, its the one game I dont miss. Thanks for pointing out our meeting at the field. I Remember talking that day, there are not many mags at NS and it was good to meet you both.

Your welcome

03-16-2013, 04:12 PM	#1 (permalink)
audioSLAVE Active Member Join Date: Oct 2009 Location: Manch Vegas, NH	68Automag A.I.R. Valve On/Off Issue I'm getting a high pitch farting noise when I'm holding the trigger back, like something is not sealing properly. I recently changed out all the o-rings in the on/off. Top, bottom and pin are still the same and I just replaced the top with a stock top. And freshly oiled as well. This was a new-to-me valve that I started rebuilding and fixing up and appeared to have some sort of aftermarket on/off top that was stuck at the bottom of the on/off reservoir. (Top Hat shaped with holes on the side) I'm hoping I didn't mar the sides of the reservoir when I was trying to remove it. Would this cause the issue or does this issue sound familiar to anyone else as far as being more common, as far as debris on o-rings or bent pin? The pin looked fine and rolled on the table flat and the o-rings I put in were new. I'm going to swap out the on/off completely with another gun to see if problem follows when I get home from work but was hoping someone might be able to isolate the issue from experience. Thanks in advance. __________________ MCB Feedback: http://www.mcarterbrown.com/forums/f...-feedback.html AO Feedback: http://www.automags.org/forums/showthread.php?t=248661

03-16-2013, 09:34 PM	#2 (permalink)
adam45 Custom User Join Date: Aug 2008 Location: Vancouver Canada	CO2 Or HPA ? __________________ feedback http://www.mcarterbrown.com/forums/f...-feedback.html http://www.avratech.com/

03-16-2013, 09:54 PM	#3 (permalink)
audioSLAVE Active Member Join Date: Oct 2009 Location: Manch Vegas, NH	HPA __________________ MCB Feedback: http://www.mcarterbrown.com/forums/f...-feedback.html AO Feedback: http://www.automags.org/forums/showthread.php?t=248661

03-16-2013, 11:57 PM	#4 (permalink)
adam45 Custom User Join Date: Aug 2008 Location: Vancouver Canada	Replace the Valve Body Hole Small O-ring and check to see if the on/off pin is upside down. __________________ feedback http://www.mcarterbrown.com/forums/f...-feedback.html http://www.avratech.com/

03-17-2013, 12:24 AM	#5 (permalink)
adam45 Custom User Join Date: Aug 2008 Location: Vancouver Canada	Also check to see if the on/off pin is the correct length. Its possible that the on/off pin was made shorter to create more reactivity with the different top. Also if the on/off top was stuck in the Valve body there may be a small bit of Oring residue inside the Valve body that is not allowing a proper seal. Have a good look in there and clean it really well. Lol. Is that enough? __________________ feedback http://www.mcarterbrown.com/forums/f...-feedback.html http://www.avratech.com/

03-17-2013, 02:59 AM	#6 (permalink)
audioSLAVE Active Member Join Date: Oct 2009 Location: Manch Vegas, NH	Thanks for the input. After swapping bits and pieces between two markers I was able to isolate the issue to one of the two top o rings that were "new". There was also some minor debris from previous o ring in the on/off top. Are you doing North Shore for Easter this year Adam45? I met you a few Easters back out there when I was visiting my brother, he had the purple Grimace mag. Hope all is well on the west coast, thanks again for the help. __________________ MCB Feedback: http://www.mcarterbrown.com/forums/f...-feedback.html AO Feedback: http://www.automags.org/forums/showthread.php?t=248661

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