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Hello everybody I am a newbie to this forum, had a quick mooch around and I'm impressed :-) I have a problem which I am hoping some kind person can help me with I am trying to find instructions on how to fit washers and seals to my x500 flamegun

Welcome along, they are very simple to service with very few parts, it is cheapest to buy spares direct from sheen, they are in Nottingham and if you give them a ring they are very helpful 0115 927 2321. I get all my spares from them and they are around 50% cheaper than anywhere else.

Thanks Dave, I think I will be ok with the large washer that goes on the main plunger thingy but where does that small one go I have order a washer pack from ebay there is 2 lge washers and a very small o ring

Suspect it may be to sit on the pump spindle inside the cap to prevent fuel splilling out. The pump thingy should unscrew(!) to fit.

I think the small washer goes on the control tap shaft, take off the control wheel then the top nut, slide the ring on the shaft (remove old one if fitted). 

Thank you to both of you :-)

   Does anyone know how you change the non return valve the one at the bottow of the pump chamber??

It requires a tool from sheen, you will have to give them a ring.

its the tool under the wick on this picture https://www.amazon.co.uk/X300-Sheen-Flame-Flamegun-Service/dp/B004OJDUUK

Thanks again

Quote from: chinablue32uk on June 29, 2017, 15:32:57
  Does anyone know how you change the nonreturn valve the one at the bottom of the pump chamber??

Use a reversed socket extension.
John