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PostPosted: Sun Apr 04, 2021 7:37 pm 
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Joined: Mon Feb 14, 2011 9:01 pm
Posts: 89
Location: Saskatchewan
Hey folks

I have been researching tear down and reassembly of the Benjamin Maximus and Discovery. It appears there is little tricky step when sliding the valve and gauge port back into the rifle in order to avoid tearing o rings.

I see there is a tool made by Archer Airguns in the U.S., to facilitate the reassembly. However, they don't ship outside the U.S.

Here is an article about the problem:
http://www.archerairguns.info/2014/11/n ... jamin.html

And here is the item on the Archer Airguns website:
https://www.archerairguns.com/Gauge-Por ... ertool.htm

Anyone know a way to duplicate the function of this simple little tool?

Thanks,
Dave


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PostPosted: Sun Apr 04, 2021 7:40 pm 
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Joined: Mon Aug 15, 2016 11:00 pm
Posts: 600
that can easily be done on a 3d printer


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PostPosted: Mon Apr 05, 2021 8:08 am 
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Supporting Member 2009

Joined: Thu Sep 01, 2005 1:41 pm
Posts: 1021
Location: GTA
Looking at that tool, wouldn't your thumb work? I would imagine you could use your thumb to push up into the hole, preventing the orings from being torn.


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PostPosted: Mon Apr 05, 2021 1:10 pm 
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Joined: Tue Jun 03, 2008 5:46 pm
Posts: 2905
Location: Canada
A fellow should de-burr the tube and other parts while you have it apart. Always a good idea, and makes life easier for orings.

I use a small flat blade screw driver to work orings past such things...just break the sharp edges and polish it up a little so it doesn't slice orings.

Al


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PostPosted: Tue Apr 06, 2021 7:20 pm 
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Joined: Mon Feb 14, 2011 9:01 pm
Posts: 89
Location: Saskatchewan
I found a really good teardown video of the Benjamin Discovery (close sibling of the Maximus) on youtube by Magnum Airpower. Its done with out using this little tool. Just using a flat blade screwdriver and some careful technique.

I have some deburring tools and fine details files so i will also debur the edge to reduce the danger to the seal.

I could probably find someone with a 3D printer but after 20 minutes of searching 3D printer plan web sites, I could not find this little tool. haha I am probably just not looking on the right web sites, but I will try the deburring route first.


Thanks folks
Dave


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PostPosted: Tue Apr 06, 2021 10:36 pm 
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Joined: Tue Jun 03, 2008 5:46 pm
Posts: 2905
Location: Canada
The job doesn't take anywhere near 20 minutes...you'd be done already if you had just got after it....just sayin lol. :drinkers:

Al


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PostPosted: Tue Apr 06, 2021 10:52 pm 
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Joined: Mon Feb 14, 2011 9:01 pm
Posts: 89
Location: Saskatchewan
Gippeto wrote:
The job doesn't take anywhere near 20 minutes...you'd be done already if you had just got after it....just sayin lol. :drinkers:

Al


Yep, I agree with you. But my Maximus doesn't need to be resealed right now, I am just planning for the future when I want to or need to do it.

Cheers,
Dave


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