i3 Duplicator X belt pulley tensioner

Adjustable tension mount for the X axis idler pulley in the i3 duplicator/ CocoonCreate Touch

You will need to drill a 5mm hole in the right Z axis block as pictured (level with the existing pulley mount, approx 11mm from back)

pulley mount comes with 0.5m break away support for overhang

Additional parts
1 x M5 25mm Hex bolt (for thumbwheel)
1 x M5 Hex bolt (cut to length to be flush with thin side of mount
(optional) 1 x M5 washer (between thumbwheel and Z axis block)

See also t