I have a polti vaporetto 1500. It needs a new fixing bolt that holds the pressure chamber on to the internal chassis of the machine, there are 2 of these, it is a 2 inch long rod with screw threads on both ends, one end to the pressure chamber and the other end to the chassis plate. I can't find anywhere on the web that sells internal parts or where I can find a tech diagram, can you help?

Andrew, June 2021