AA S410 air blowing out from barrel when I fill

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*SteveO*
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Joined: Tue Mar 28, 2017 12:46 am

AA S410 air blowing out from barrel when I fill

Wed Jan 03, 2018 4:21 pm

Hi

I want to get some advice from the forum on something that's very odd.

A week ago I totally discharged the air from my 410. When I came to fill it yesterday it wouldn't fill. Instead any air I put into the gun came straight out of the end of the barrel. I checked the bolt was closed and tried again. Same result.

Could it be that there's a seal problem after the gun was left discharged?

Any help or ideas you;d be much appreciated.

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Bezzer
Posts: 22
Joined: Sun Nov 13, 2016 11:15 pm

Re: AA S410 air blowing out from barrel when I fill

Wed Jan 03, 2018 5:11 pm

Bolt should be cocked and open if you're filling from empty not closed. The bolt pressure overrides the firing valve spring so air goes straight out of the barrel if you don't cock it first.

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TenMetrePeter
Posts: 630
Joined: Wed Jun 29, 2016 5:40 pm
Location: Luton Beds UK

Re: AA S410 air blowing out from barrel when I fill

Wed Jan 03, 2018 5:11 pm

Cock it to releive any pressure on the firing valve by the hammer spring and open the Scuba tank valve quickly. If you have one of these restricted 300 bar tank valves it may still be too slow.

edit Oops you beat me to it!
Luton, Bedfordshire
S400 MPR Precision 10m.
My Youtube

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*SteveO*
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Joined: Tue Mar 28, 2017 12:46 am

Re: AA S410 air blowing out from barrel when I fill

Thu Jan 04, 2018 11:31 am

Thanks guys, I'll try it today

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Blackbaronfish
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Location: Nuneaton

Re: AA S410 air blowing out from barrel when I fill

Thu Jan 04, 2018 5:19 pm

TenMetrePeter wrote:Cock it to releive any pressure on the firing valve by the hammer spring and open the Scuba tank valve quickly. If you have one of these restricted 300 bar tank valves it may still be too slow.

edit Oops you beat me to it!


Heeee heee he you said “cock” :lol:

BBF
Did I mention that I'm the only one to have attended EVERY annual meet since we started

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eboswan
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Location: swansea

Re: AA S410 air blowing out from barrel when I fill

Thu Jan 04, 2018 8:35 pm

Blackbaronfish wrote:
TenMetrePeter wrote:Cock it to releive any pressure on the firing valve by the hammer spring and open the Scuba tank valve quickly. If you have one of these restricted 300 bar tank valves it may still be too slow.

edit Oops you beat me to it!


Heeee heee he you said “cock” :lol:

BBF


:lol:
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S200. .177

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TenMetrePeter
Posts: 630
Joined: Wed Jun 29, 2016 5:40 pm
Location: Luton Beds UK

Re: AA S410 air blowing out from barrel when I fill

Fri Jan 05, 2018 12:41 pm

Hee hee . The only place you can say cock and get away with it :lol:
Luton, Bedfordshire
S400 MPR Precision 10m.
My Youtube

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