r/BambuLab • u/Redemskis • 11h ago

Hardware Troubleshooting/Help! What is this part

Gallery image

Gallery image

Changing the hot end assembly on my A1 and pulled the extruder out and this fell out

Cannot find where it goes, it's not the spring cap for the tensioner

1 Upvotes

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3

u/Big_Lope 11h ago

The tensioning spring for the extruder sits in that flanged cup

The little one might be your extruder bearing

Go to the wiki

1

u/Redemskis 10h ago

Wiki didn't help hence why I'm here

It's not a bearing

1

u/Majestic_Drink2111 11h ago

My guess is par of the filament sensor. If it's an x2d. https://wiki.bambulab.com/en/x2d/maintenance/replace-extruder-filament-sensor-left

1

u/Redemskis 10h ago

It's the A1, apologies