# T300 belt tensioner brock and how to put the thin metal belt cover back on

**URL:** <https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977>\
**Category:** Comgrow T300\
**Created:** [November 8, 2025, 10:24am UTC](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977 "2025-11-08T10:24:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![pat2000](https://avatars.discourse-cdn.com/v4/letter/p/f04885/32.png) [@pat2000](https://forum.sovol3d.com/u/pat2000)\
**Post date:** [November 8, 2025, 10:24am UTC](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977/1 "2025-11-08T10:24:26Z")

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how do i replace tension end piece and how do i put the metal back on under heat bed. it wont slide in. thanks

 ![broken](https://canada1.discourse-cdn.com/flex030/uploads/sovolforum/original/2X/d/da4e1262be764fbda9748016f8f5380fedd656a7.jpeg)

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**Author:** ![mich0111](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.sovol3d.com/mich0111/32/1176_2.png) [@mich0111](https://forum.sovol3d.com/u/mich0111)\
**Post date:** [November 8, 2025, 12:50pm UTC](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977/2 "2025-11-08T12:50:28Z")

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Hi,

Email at [info@sovol3d.com](mailto:info@sovol3d.com) to ask the spare.

They’ll back to you within a week maybe less.

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**Author:** ![Ricky3D](https://avatars.discourse-cdn.com/v4/letter/r/b19c9b/32.png) [@Ricky3D](https://forum.sovol3d.com/u/Ricky3D)\
**Post date:** [August 25, 2026, 1:03am UTC](https://forum.sovol3d.com/t/t300-belt-tensioner-brock-and-how-to-put-the-thin-metal-belt-cover-back-on/8977/3 "2026-08-25T01:03:38Z")

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Hi, have you resolved the problem to sliding back the thin cover blade. I have the same problem. Thanks.