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The PTFE tube that is supplied with your upgrade is the length required for the EZR Struder If you have not upgraded to this extruder you will want to trim 40mm off the end of the PTFE tube. end of the PTFE tube.

YOU MUST NOT USE SCISSORS. YOU MUST USE A SHARP BLADE SUCH AS A UTILITY OR HOBBY KNIFE.

In the pictures for this guide the original EZStruder is being used, therefore the PTFE was trimmed by 40mm.

Install the bowden tube into the PTC fitting.

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