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Changes to Step #15

Edit by Florian Daeubler

Edit approved by Grégoire Saunier

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[title] Prepare the PTFE tube
-[* 9] The Bear extruder uses a PTFE tube length of 50mm. It is the same PTFE tube than MK2S, MK2.5 (non-S) and MK3 (non-S). The original Prusa MK2.5S or MK3S extruder is using a PTFE tube length of 44.2mm which will be too short for the Bear extruder.
+[* 9] The Bear extruder uses a PTFE tube length of 50mm. It is the same PTFE tube used for MK2S, MK2.5 (non-S) and MK3 (non-S). The original Prusa MK2.5S or MK3S extruder is using a PTFE tube length of 44.2mm which will be too short for the Bear extruder.
[* 1] You should have prepared the PTFE tube during guide [guide|16|stepid=242]. Make sure you have followed those steps.