# LulzBot TAZ 5, LulzBot Mini Extruder Idler

**URL:** <https://forum.lulzbot.com/t/lulzbot-taz-5-lulzbot-mini-extruder-idler/3178>\
**Category:** Service Bulletins\
**Created:** [March 23, 2016, 3:02pm UTC](https://forum.lulzbot.com/t/lulzbot-taz-5-lulzbot-mini-extruder-idler/3178 "2016-03-23T15:02:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Orias](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/orias/32/3_2.png) [@Orias](https://forum.lulzbot.com/u/Orias)\
**Post date:** [March 23, 2016, 3:02pm UTC](https://forum.lulzbot.com/t/lulzbot-taz-5-lulzbot-mini-extruder-idler/3178/1 "2016-03-23T15:02:37Z")

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During the assembly process a sealed 608 bearing loaded onto an 8mm shaft is pressed into the 3D printed extruder idler. Some extruder idlers may be stressed during this process and may develop fine cracks that eventually lead to failure of the idler.

View full service bulletin [here](https://www.lulzbot.com/sites/default/files/extruder_idler_service_bulletin.pdf).