Alfa Romeo 75 TS 2.0 -Variator inlet camshaft tutorial

I present you the inlet camshaft variator mechanism of the Alfa Romeo 75 Twin Spark 2 liter 8 valve engine , i tried to explain how it works and also show you the components of it , it s a simple mechanism all metal , no o ring only 2 metal rings inside .be carefull to mark the position of the sprocket on the camshaft before removing it , otherwise you risk to change the timing diagram . it needs to be clean before installation , all deposits must be removed with special solvent .