Boiler Schematic

Does anyone know where i can download a schematic drawing of Inter B9B, B9C & B11 Oil Burners ?

I have tried looking on the Bentone website but no luck there, and when i search for the burner types, it just comes up with a link to info on Worcester Bosch oil boilers, but the info on their site just gives sizes and settings, but what i need is an explosive drawing of all the parts within the burner itself. If anyone knows where i can get these drawings from to help my project it will be appreciated.

just try to google or ask.com

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