Editing Step 3 —

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Locate the white plastic Assembly Spacer part.

Make sure that the flat side of the Assembly Spacer is facing up when orienting it relative to the Main Board.

Position the Assembly Spacer above the four components S1-4 and slide it down onto them.

The Assembly Spacer should rest on top of the four components with no gaps. All four component shafts should be extending upwards through the Assembly Spacer as shown.

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