Theoben rapid leaking air

[MECHANIC 22]

i live in Hertfordshire and have got a Theoben rapid mk1 leaking air as soon as i put the bottle on it. Can anybody recommend somewhere around the Hitchin area to get it repaired as most gun shops have closed down and i dont want to post it

Regards Darren

[flyingfish]

Neil at Sundon Models in The Quadrant Dunstable gets his repairs done by Dave Welham

[Anothermiss]

Where is the air coming from?

[Bellycrawler]

O ring on the buddy bottle ?

[MECHANIC 22]

Where is the air coming from?

not really sure will have another look as soon as i screw the bottle in you can hear it leaking out the gun

[MECHANIC 22]

O ring on the buddy bottle ?

no i changed the o ring

[angrybear]

i live in Hertfordshire and have got a Theoben rapid mk1 leaking air as soon as i put the bottle on it. Can anybody recommend somewhere around the Hitchin area to get it repaired as most gun shops have closed down and i dont want to post it

Regards Darren

Rapids are simple, where/how it leaks will point directly to what's wrong.

If it leaks from the joint as the bottle is tightened that points to the bottle O ring, packs of 10 are on eblag if you search for them, a simple fix for a few £.
If it leaks down the barrel, the air is getting through the exhaust valve,
sometimes just cocking the action will stop it by taking weight off the valve stem, sometimes dry firing will stop it by seating the valve,
sometimes it still leaks & needs a replacement valve, again easily available from Dr Bob, & a doddle to change.

In fact the gun is such a doddle to service, I'd say buy a new seal kit & do the whole thing it takes less than an hour, of course if you don't own any tools that's not possible.

[ashf9999]

(If leaking from where the bottle threads in) Is the bottle original or brand new? If new from (eg) Best Fittings, it may be that the stud in the valve is fractionally too long- thus opening the valve but preventing the bottle screwing on completely (regardless of o-ring condition). Had a similar issue with an R10 bottle, they sent various new valve inserts and I fitted the 'best' length and it solved the problem. (I didn't want to adjust the R10 itself as I wanted to still be able to use the original bottle).

[MECHANIC 22]

ok i have taken the action out of the stock and it seems to be coming out of a silver cap underneath inline with the trigger

[angrybear]

OK, that access plug uses a "Dowty seal" or bonded washer, a soft metal washer with a rubber seal bonded to it, not sure of the size off hand but easy to measure.
just replace it.

edit, the plug is 1/4BSP so look for a Dowty /bonded washer to fit .

[MECHANIC 22]

Many thanks everyone for your help. Removed the seal turned it over leak stopped so i will get a new seal ordered

Regards Darren

[Anothermiss]

Folk knock rapids but the beauty of the simplicity is highlighted right here.

[MECHANIC 22]

Folk knock rapids but the beauty of the simplicity is highlighted right here.

I agree out of all my guns the rapid is the one i will never get rid of

[MECHANIC 22]

the old seal started to leak again so ordered one from the bay fitted it now its like new love this gun if any one needs a seal around the Stevenage area I've got 4 spare so your welcome to one

[angrybear]

the old seal started to leak again so ordered one from the bay fitted it now its like new love this gun if any one needs a seal around the Stevenage area I've got 4 spare so your welcome to one

Don't give them all away , I make sure I've always got at least two full seal kits on standby, along with plenty of bottle seals,
nothing worse than losing use of a rifle for the sake of a 10p seal.