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Old 10-27-2010, 07:22 PM #1
GetBunkerD
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Exclamation Fix for the ASA Plunger Falling out (G6R)

This is for the G6R.

People have been posting about their ASA plungers falling out and ASA's not bleeding properly.

People have suggested soaking the o-rings in DOW 55, but myself and another timmy head both agree that it will only soften the o-rings and cause them to tear.

The stock o-ring on the plunger is a 004 70 Durometer O-Ring. We both think if the if an o-ring with a higher Durometer rating would probably fix the issue.

The issue is getting the o-ring on and off plunger.. as it is extremely small and can be a very daunting task.

Food for thought from both me and the mad scientist. (when I say WE BOTH think... I mean him and I agree, because majority of the time, the mad scientist is alot smarter than me)

SOLUTION SHOWN BELOW



Suggestion One


Quote:
Originally Posted by daveczrn View Post
To clear up some confusion.



Now here is what i did to fix the NON bleeding of the air.
WARNING: THIS WILL VOID THE WARRANTY OF THE KNOB

I chucked the knob up in my lathe and cut about .020" off of the inside of the one end. this allows the knob to unscrew just a little bit further and allows the air to bleed as it should. It will not matter what take you use or what. Bob Long just kept a tight tolerance where they didn't need to. having a little extra room does not hurt this part at all.

I am a very experienced machinist and would not recommend this to the average joe with a lathe. This can go wrong and you will be without a gun because you won't be able to turn your air on.

I also took a measurement for anyone looking to do this so they know how much i took off. .085" is what i cut it down to. you can clearly see where i cut so that there is no question of what to do. DO NOT CUT DOWN THE PLUNGER by cutting down on the plunger you will keep the tank from opening in the first place.



Suggestion Two

Quote:
Originally Posted by Lurker27 View Post
Use the stock o-ring durometer and size. Simply put a thin coating of nail polish in the groove the oring sits, let dry, and reinstall.
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Last edited by GetBunkerD : 02-16-2011 at 12:21 PM.
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Old 10-27-2010, 07:24 PM #2
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what asa are you talking about?
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Old 10-27-2010, 07:25 PM #3
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WHOOPS! G6R! lol.
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Old 10-27-2010, 07:48 PM #4
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Oring pick makes for easier work of getting at them small orings.
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Old 10-27-2010, 08:36 PM #5
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Quote:
Originally Posted by gamer565 View Post
Oring pick makes for easier work of getting at them small orings.
The issue is that its MEGA SMALL and most people will tear it, even with an o-ring pick.
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Old 10-28-2010, 08:27 AM #6
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Quote:
Originally Posted by gamer565 View Post
Oring pick makes for easier work of getting at them small orings.
the problem isnt getting the oring off, you can destroy the oring getting it off and it won't matter. But getting a stiffer oring on is what the problem is, getting the standard 70 durometer oring on is pretty hard.

I'm going to get some orings to try out and see what i come up with .
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Old 10-28-2010, 12:45 PM #7
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Thats what i was refering using the pick for was gettting them off. Getting 004's on to poppets are hard enough, so it doesn't surprise me its hard getting my on the plunger.
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Old 10-28-2010, 09:45 PM #8
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all right, I tried the 90 durometer 004 oring on my plunger. definatly sticks in the asa tighter so it should help people keep their plungers from falling out. Unfortunatly it does not fix the non air bleed problem. it seems the undercut in the asa body is just too small for the oring.

and getting the oring on was not nearly as hard as i expected it to be. i would recomend it to anyone having trouble with their plunger falling out.
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Old 10-28-2010, 10:12 PM #9
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Quote:
Originally Posted by daveczrn View Post
all right, I tried the 90 durometer 004 oring on my plunger. definatly sticks in the asa tighter so it should help people keep their plungers from falling out. Unfortunatly it does not fix the non air bleed problem. it seems the undercut in the asa body is just too small for the oring.

and getting the oring on was not nearly as hard as i expected it to be. i would recomend it to anyone having trouble with their plunger falling out.
The Mad Scientist! Goto bed Dave.
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Old 10-28-2010, 10:48 PM #10
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im slighly confused are you refering to the peice you screw in that presses on the tank valve... i only ask because i just bought a G6R at cup and im not very familiar with it yet
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Old 10-29-2010, 12:57 AM #11
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no. Look into the asa, and one of the holes around the pin should look like its not as deep as the others. It has a little silver plunger in it that acts as a backcheck valve for bleeding air
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Old 10-29-2010, 07:30 AM #12
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Has there been any word on what the plungers actually do in the ASA?
Seems that people have different amounts of them in their ASAs.
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Old 10-29-2010, 10:23 AM #13
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To clear up some confusion.






Now here is what i did to fix the NON bleeding of the air.
WARNING: THIS WILL VOID THE WARRANTY OF THE KNOB

I chucked the knob up in my lathe and cut about .020" off of the inside of the one end. this allows the knob to unscrew just a little bit further and allows the air to bleed as it should. It will not matter what take you use or what. Bob Long just kept a tight tolerance where they didn't need to. having a little extra room does not hurt this part at all.

I am a very experienced machinist and would not recommend this to the average joe with a lathe. This can go wrong and you will be without a gun because you won't be able to turn your air on.

I also took a measurement for anyone looking to do this so they know how much i took off. .085" is what i cut it down to. you can clearly see where i cut so that there is no question of what to do. DO NOT CUT DOWN THE PLUNGER by cutting down on the plunger you will keep the tank from opening in the first place.



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Old 10-29-2010, 10:26 AM #14
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Quote:
Originally Posted by wyn1370 View Post
Has there been any word on what the plungers actually do in the ASA?
Seems that people have different amounts of them in their ASAs.
my guess what you were calling a plunger is the wholes drilled into the screw in side of the asa. These are not plungers. these are just weight reduction wholes for the most part. Atleast one of them is an air transfer hole to the trigger frame.
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Old 10-29-2010, 02:42 PM #15
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Hmm now that I think about it I did have two of those in my Asa when I first got my G6 but they are now missing... But my air still bleeds just fine
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Old 10-29-2010, 05:35 PM #16
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Can we get a response from BL on how many asa plungers there are?

Why some people have 1 or more than one?

Why didn't BL use the asa from the victory or at least mod it for the G6R?
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Old 02-16-2011, 12:50 AM #17
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Just got my new G6R and it doesn't Bleed. Is there a easier way to fix this?
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Old 02-16-2011, 11:49 AM #18
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Use the stock o-ring durometer and size. Simply put a thin coating of nail polish in the groove the oring sits, let dry, and reinstall.

Problem solved. You can edit the first post now.
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Old 02-16-2011, 12:21 PM #19
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Done good sir. PM me when you wanna make stuff on your site happen.
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Old 02-16-2011, 12:33 PM #20
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Quote:
Originally Posted by Lurker27
Use the stock o-ring durometer and size. Simply put a thin coating of nail polish in the groove the oring sits, let dry, and reinstall.

Problem solved. You can edit the first post now.
Does that fix the problem of it not degassing? Curious
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Old 02-16-2011, 04:26 PM #21
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Quote:
Originally Posted by GetBunkerD View Post
Done good sir. PM me when you wanna make stuff on your site happen.
Will do sir, good thread idea!

Nin,

My tendency is to believe that the pin getting stuck in place despite the knob being turned is the cause of that problem. As such, it is the OPPOSITE problem - too much friction and it gets stuck, too little and it may fall out. So I don't think that this would help. That seal not being adequately lubricated (OR overlubricated maybe? would be my first guess. It's also possible that the seal is designed wrong and the o-ring tends to extrude out:


(Pressure from the left)


This occurs when a seal subject to high pressures has too big of a gap to fit into between the OD of the piston and the ID of the hole. Are you using an HP tank? That would be more likely to stick than LP, in this case. LP or SLP may just not have enough pressure on the piston to overcome friction.

That's just my thoughts!
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