Air Arms Owners Club

Purchased an older s400, has previously had regulator fitted, been stood for a while, using on range, no probs, after 2nd refill I ran it down to the point it self vented, upon getting it refilled it's venting air out of the barrel. Chap querying a seal or even the regulator died a death. I guess a seal would degrade over time, dry,crack and with new use heat up, expand and fail
anyone else had this issue?

Are you filling with the hammer cocked?

range staff tried with cocked, not cocked, not my area of expertise, but definitely leaking either or

massive job having seals done via a gunsmith?, i'm guessing they must be consumables and wear accordingly

Oldtag wrote:massive job having seals done via a gunsmith?, i'm guessing they must be consumables and wear accordingly

I thought Julian had offered to help you, but it's all pretty easy and I reckon you could do it yourself, go on give it a go, don't forget Julian for the spares. I reckon a new firing valve would sort it. Rog

oh ? did he?
I missed that, wasn't being rude, just didn't see that reply
i'll get it sorted
anyhow up to that point it was firing very well!

Oldtag wrote:oh ? did he?
I missed that, wasn't being rude, just didn't see that reply
i'll get it sorted
anyhow up to that point it was firing very well!

Under technical Somerset gunsmiths( that's where the reply is)

Sometimes it requires a blast of air to reset. Some bottles have a slow fill valve attached that hinders setting.

BBF

I second the previous text as it was shooting fine until it vented out. You may need to temporarily 'disable' the slow fill ability of the recharge kit. Often this is in the form of a grub screw that you may need to remove. The maker of the fill kit should be able to expand on this. Failing that try someone else's filling kit to see if this will sort it. Then don't shoot it that low again