Loosen The Bar Mount Set Screw; Snip The Thermocouple; Disconnect The Heater Cartridge - MakerBot Replicator 2X Replacement Manual

How to replace a thermocouple

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2. Loosen the bar mount set screw.

Locate the set screw holding the thermal barrier tube in place. It's at the back of the

bar mount. Use the 2.5 mm hex wrench to loosen it. This will loosen the entire hot end–

the nozzle, thermal core and thermal barrier tube.

Gently pull the thermal core down and snip the thermocouple just above the insulation.

The white wires emerging from the thermal core are the heater wires. Unplug the black

plastic connector attaching them to the extruder cable. The hot end is now completely

detached from the extruder. Set it aside.

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