LEGO bb53 12V grinder for railway motor type I
How to fix a LEGO bb53
LEGO bb53 How to fix 12V grinder for railway motor type 1
Overview and Problem
![[cml_media_alt id='3781']img01.001[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.001.jpeg)
Step 1: Open it
![[cml_media_alt id='3782']img01.002[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.002.jpeg)
Step 2: Take it apart
![[cml_media_alt id='3783']img01.003[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.003.jpeg)
Step 3: Fix it
![[cml_media_alt id='3784']img01.004[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.004.jpeg)
Step 4: Put it back together
![[cml_media_alt id='3785']img01.005[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.005.jpeg)
Done!
So after that the pin does not slide underneath anymore.
![[cml_media_alt id='3786']img01.006[/cml_media_alt]](https://www.flagsoft.com/cmswp/wp-content/uploads/2017/01/img01.006.jpeg)
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