Breville Grinder Single Dose

Breville smart grinder single dose hopper.
I am using BCG820 not sure if it fit other model as well.

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>!!! WARNING !!!
>Make sure you turn off the switch and unplug the power when you installing it.

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Steps:
1. Put in outer first and align the hole to the button behind the grinder. ( You may use a marker to draw where to align the button )
2. Insert pin A into the gap.
3. Insert pin B to push pin A to trigger the safety switch.

The height is taller because I am using the inner.stl as blower pump create airflow to blow out the retention coffee ground inside grinder.