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How to lubricate linear bearing rails (XL)

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How to lubricate linear bearing rails (XL)

How to lubricate linear bearing rails (XL)
Relevant for:
XL
Last updated 24 days ago
How to lubricate linear bearing rails (XL)
 Difficulty
Very easy
 Steps
13
 Available languages
ENPLDEITFR

Step 1 Introduction

Introduction
Introduction
Introduction
⬢This guide will take you through the lubrication of all XL linear bearing rails on the Original Prusa XL.
The following instructions are compatible with all Original Prusa XL versions.
⬢All necessary parts are available on our e-shop prusa3d.com.
⬢This manual is compatible with the Original Prusa XL Enclosure.
The recommended lubrication interval for linear bearings is every 100 km (62.1 miles) or every 3–6 months, whichever comes first.

Step 2 Tools necessary for this manual

Tools necessary for this manual
Tools necessary for this manual
⬢For the following manual, please prepare:
⬢Pair of nitrile gloves (1x)
⬢Microlube GL 261 20g (1x)
⬢Dosing needle (1x)
⬢Cartridge with manual piston (1x)
⬢Paper towels for cleaning the lubricant.

Step 3 Printer preparing

Printer preparing
Printer preparing
Printer preparing
Printer preparing
Make sure the printer is cold.
⬢If not, go to Control > Temperature > Cooldown. Wait for the printer to cool down.
⬢Auto home the printer. Go to Control > Auto home. Wait for the printer to home. Do not touch the printer. 
⬢Disable the motors. Go to Control > Disable Motors. Now the XY axes can be moved freely by hand.
Upon disabling the motors the heatbed will move down to prevent colliding with the nozzle.
Cover the heatbed with a piece of cardboard or a towel to prevent it from becoming greasy.

Step 4 CAUTION: Lubricant Handling

CAUTION: Lubricant Handling
CAUTION: Lubricant Handling
CAUTION: Avoid direct skin contact with the lubricant used for the linear rails in this printer. If contact occurs, wash your hands immediately, especially before eating, drinking, or touching your face.
⬢Lubricant accumulates in the printer's bearings, mainly in the linear rail channels.

Step 5 Cartridge filling

Cartridge filling
Cartridge filling
Cartridge filling
⬢Put the gloves on both your hands.
⬢Attach the Cartridge, gently squeeze the Microlube and fill the Cartridge with a tube of at least 2 ml.
⬢Check that there is enough Microlube on the Cartridge. Look at the picture.

Step 6 Needle attaching

Needle attaching
Needle attaching
Needle attaching
Needle attaching
⬢Attach and secure the needle by turning it clockwise.
⬢Wipe any remaining lubricant from the joint with a paper cloth.
⬢Squeeze the cartridge to remove the air from the needle as shown in the picture.

Step 7 X-axis rails lubing

X-axis rails lubing
X-axis rails lubing
X-axis rails lubing
X-axis rails lubing
The XY-axis can be moved freely.
⬢Each carriage has a small hole for lubrication highlighted in the picture.
⬢On the right X-axis rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
⬢On the left X-axis rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.

Step 8 Front Y-axis rails lubing

Front Y-axis rails lubing
Front Y-axis rails lubing
Front Y-axis rails lubing
Front Y-axis rails lubing
⬢Each carriage has a small hole for lubrication highlighted in the picture.
⬢On the right front Y-axis rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
⬢On the left front Y-axis rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.

Step 9 Rear Y-axis rails lubing

Rear Y-axis rails lubing
Rear Y-axis rails lubing
Rear Y-axis rails lubing
Rear Y-axis rails lubing
⬢Manually move the Y-axis to the front of the printer.
⬢Each carriage has a small hole for lubrication highlighted in the picture.
⬢On the right front Y rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
⬢On the left front Y rail:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.

Step 10 Bottom Z-axis rails lubing

Bottom Z-axis rails lubing
Bottom Z-axis rails lubing
Bottom Z-axis rails lubing
Bottom Z-axis rails lubing
⬢On the undreside of the Z-axis carriage:
⬢Each carriage has a small hole for lubrication highlighted in the picture.
⬢On the right Z-axis:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
⬢On the left Z-axis:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.

Step 11 Z-axis moving

Z-axis moving
Z-axis moving
Z-axis moving
⬢Now we have to move the Z-axis down.
⬢On the xLCD, go to Control > Move axis > Move Z and set 350mm.
⬢Wait until the Z-axis is moved down. Then proceed to the next step.

Step 12 Upper Z-axis rails lubing

Upper Z-axis rails lubing
Upper Z-axis rails lubing
Upper Z-axis rails lubing
Upper Z-axis rails lubing
⬢On the top of the Z-axis carriage:
⬢Each carriage has a small hole for lubrication highlighted in the picture.
⬢On the left Z-axis:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
⬢On the right Z-axis:
⬢Insert the needle and squeeze the cartridge. Squeeze out exactly 0.1 ml Microlube.
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