PART: Rep 2x Hot-End Assembly V2
This sub-assembly serves as a spare or replacement if the MakerBot Replicator 2X Experimental 3D Printer no longer extrudes properly. It offers the parts needed to melt plastic during extrusion. Those include the nozzle, thermocouples, heaters, and bar mount, among others.
You’ll also need the 2.5 mm hex wrench that came with your 3D printer.
Download instructions here