Axis Screw Lube?

I ran my break-in program and the screws for the axis motors get pretty warm. Should we lube these with something? Was thinking maybe just a few squirts of silicone lube

Yes, it is important to lubricate the lead screws as described in the user guide. Here is a screencap from the user guide:

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I am using silicone spray lube. So far so good.

Not very messy, easy to apply, does not attract dust either.

I use dry film graphite lubrication. No drip. No clumping. Works well.