Preparatory Step 2: Attaching the Luer Lock to the Pickup Tube

Take the Luer Lock, and press it to one end of the pickup tube (200mm long, 8mm diam., not labeled):

luer lock and tube

The joint is airtight enough, but optionally, seal the joint with some black heat shrink tubing. Don’t have the heat shrink too much up to the tube, a couple of mm’s is enough (you don’t what to limit the Z axis upward range unnecessarily).

Luer lock installed

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