15. Bolt the extruder back onto the extruder carriage.
16. Push the active cooling duct back into place.
17. Zip-tie the wrapped extruder cable to the extruder.
Position the zip tie as close as possible to the extruder cap and tie it as tightly as you
can.
18. Return the electronics cover to the bottom of your MakerBot Replicator 2.
The thermocouple replacement is now complete. Plug in your MakerBot Replicator 2,
reload your filament and go back to printing.