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Prusa Research a.s.
Prusa Research a.s.

1. Begin assembly

Step 1 of 12 (Chapter 29 of 39)
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How to lubricate the coupler pins on Original Prusa XL (Multi-Tool)
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Contents

Printer maintenance

Comments

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Ninju
The file should come preloaded on the flash drive so that you don't have to download
Andy
Is it OK to use a dry lubricant like graphite or molybdenun disulfide on the coupler pins?
Andy
I rubbed some molybdenum disulfide powder on the coupler pins, will report back if there are any issues.
Ryan
The introduction should maybe include some background on why this step is necessary. My impression is that this is more aimed at print quality, rather than wear resistance -- friction at these points can cause slight inconsistency in toolchanger alignment, resulting in layer lines in the prints. Also for one of the commenters above, I see the file under 'XL printable parts', go to Files -> Parts for maintenance -> tc_greaser.
Snickerson
The file is gone from printables?
Dominik Sauer

Hello, you can fint the part here: https://www.printables.com/model/449554-xl-printable-parts/files -> go to Files -> Parts for maintenance -> tc_greaser

Brent_L
Just a thought... Why would we not just lubricate the 3 reciever connection points rather than the 3 pins per head (15 locations)?
Marina Curzi - Official Prusa CS

If you only grease the toolchanger side, the grease will go mostly on the first tool head. By the time the 5th tool head is reached, there will be almost no more grease to be applied anymore.