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[kitcrazy]

hi guys trying to get my cheddar steam plant going Ive got the boiler up to 20psi and then the burner cuts down to a small flame so i screw the GAV valve down but i cant get the burner to keep the pressure up any help please?

[HS93 (RIP)]

take the GAV out of line if you can and try that they where a very temperamental bit of kit and if they have been left in the wrong state with tension on diapram(look at paperwork I posted) they need a new Diapram, best taken out of line till you get used to firing it up then re introduce it, you don't have to have the gas full on all the time once hot you can turn it down a bit and unless you run flat out all the time it should keep up.
Peter

[kitcrazy]

hi i think Ive set it right now its kept 20psi and been running for about 20min  :}its great seeing the little engine ticking over not bad for my first fire up two burnt fingers and one burnt knuckle

[gondolier88]

Is that all

[kitcrazy]

thats all i could get it up to?

[boatmadman]

Err, no, is that all the burns you got?

[kitcrazy]

even with the gas fully open thats all i could get from the burner i think the problem is with me not yet able to set the GAV up properly and being abit nervous with it but i will get used to it and I'm sure i will get plenty more burnt fingers

[gondolier88]

What gas are you using? Do you know what size injector the burner has?

And I meant is that all the burns you have........

Greg

[Underpressure]

Well done Kitcrazy and you still have both your eyebrows 

I was also going to suggest taking the GAV out, but if you can keep fiddling and get the pressure up to 30 to 35psi, you will have more than enough steam to make that launch go.

Keep us posted.

Neil

[kitcrazy]

thanks guys still got my eyebrows just {-)i will keep fiddling with the GAV but do i realy need it?

[Underpressure]

thanks guys still got my eyebrows just {-)i will keep fiddling with the GAV but do i realy need it?

No!

I have two Puffin plants in two different tugs, I have never had a gas regulator fitted to either, and never considered fitting one. After a bit of experimentation you will soon find the correct setting for the gas valve, both for heating up the boiler and for running.

Neil