Original Prusa i3 MK2S is a successor to Original Prusa i3 MK2 with small hardware tweaks for easier assembly and improved reliability.

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Linear Bearing Grease is it needed?

Should the transport oil on the linear bearing be cleaned off and the bearing packed or lubricated with a synthetic grease during assembly

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Hi Neil,

all bearings are lubricated by the manufacturer, so for the initial assembly and first prints, you don't have to lubricate them.

However, for the maintenance, it is a good idea to use lubrication.

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My general Reprap Lubrication Guidelines:

Apply lube by wiping lightly with a clean paper towel dust-free cloth, and spread evenly by running the axis to its extents.

Rapid moving linear bearings or bronze bushings on rods: Low viscosity oil (Machine oil http://amzn.to/2kPPcrl)

Z axis LeadScrew(s): grease or even high viscosity oil (if you've already chosen one then stick with that)

Plastic Extruder Gears: Grease (http://amzn.to/2kPEj8J) (white lithium, PTFE, or silicone based are all great stuff)

IGUS Bearings: Dry lubricant (http://amzn.to/2jTiUYl) or none at all.

Don't use traditional WD-40 for lubrication. (Though you can use it to clean metal parts.)

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Prusa Support suggests WD40?

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Grease is always good idea :)

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