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PostPosted: Wed Jul 26, 2017 6:56 am 
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Joined: Thu Nov 02, 2006 4:57 pm
Posts: 1754
Location: mb
Friend of mine came across a ~60s model all wood, metal and brass 760 PowerMaster, and asked me to go through it to
see if it was complete, and could be resurrected. The gun was dry as a bone inside, but the valve and pump face were
filled with what could be best described as "burnt goop". Possibly oiled with Canola? :rolleyes: . . . . It's a complete
example, and cleaned up very well(8 or 9 out of 10 condition overall). I've replaced all the internal Orings but the
Quad seal in P#130-057 is nearly rock hard and only sealing very intermittently. . .

Anyone have the specs on this seal so I can swing by the Hydraulic Shop and pick up a couple? There ain't no way it's
going to come out in any fashion that'd allow measurements on it's removal. . .

Any help or direction greatly appreciated! I've read of guys using a standard Oring, and I may end up going that route
as a temporary workaround, but if a quad is available, I'd like to use one. . .

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PostPosted: Wed Jul 26, 2017 11:06 pm 
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Joined: Wed Mar 27, 2013 9:51 pm
Posts: 89
Location: California USA
-008 Quad seal. Buna or viton will work fine. Tell him to leave it UN-pumped for storage. Leaving pumped, can cause the seal to stick and rip.


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PostPosted: Thu Jul 27, 2017 5:22 pm 
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Joined: Thu Nov 02, 2006 4:57 pm
Posts: 1754
Location: mb
Big Bore Bart wrote:
-008 Quad seal. Buna or viton will work fine. Tell him to leave it UN-pumped for storage. Leaving pumped, can cause the seal to stick and rip.

Awesome, BBB. . . Thank you!
And as luck would have it, a quick detour to a well supplied rural (Selkirk) hydraulics shop, netted me a pair of them. . . . .
If everything continues to plan, I'll be test driving a quite exceptional, early example, of the 760 PowerMaster this evening!
BoooYaaa! :mrgreen:

Shout out to Randy at Fluid Force/Northern Hydraulics in Selkirk! Definitely Airgun Friendly! Great Guy!

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PostPosted: Sun Jul 30, 2017 10:58 pm 
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Joined: Wed Oct 17, 2007 3:27 am
Posts: 2586
Location: Winnipeg, Canada
Filed for reference.

I've got the same gun here with a rifled bbl. Quad in it disintegrated to dust with a slight poke.
Still toying with the idea of upgrading it to a manual cocker somehow~ if I can ever come up with the time.

On a sort of related note, Panet Rd. P/A has a new version 760 at 49.00. Looks like they've gone back to the shroud and soda straw. This one's a chrome shroud, and sorta fugly lookin. The ergonomics have been re-worked, yet again, to boot....

-D.S.

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