With regard to the Avantis 95 -
1 - remove screw from baseplate.
2 - ease off both steam pump covers and remove exposed screw.
3 - ease off handle cover to expose screw at front end.
4 - remove screw and retaining bracket together with water nozzle .
5 - ease off main housing together with baseplate.
You should now be able to access any internal repairs..
CLIVE
February 2012