Remove filament from printer head
Turn off printer and allow to cool
Using supplied hex bolt, remove bolt on bottom of head
Pull out heating element and temp sensor
Using supplied hex bolt, remove bolt on right side of head between the guide rails
Pull old head off of the head assembly
Replace with new head and tighten side bolt at same time
Reinsert heater element and temp sensor
Using supplied hex bolt, tighten bolt on bottom of head
Turn on printer and preheat head
Reinsert filament into printer head pushing until extrusion
Turn off printer