I made an assembly guide poster for the E3D V6 hotend : r/3Dprinting
Single Direct-Drive Printhead Assembly - E3D-Online
E3D-v6 Assembly - E3D-Online
E3d V6 Hotend Bowden Extruder Is An E3d V6 Volcano 3d Printer Assembly Fixed Block Ender3 Series Fixed Aluminium Parts - 3d Printing Materials - AliExpress