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How to replace the rubber band on Original Prusa XL (Multi-tool)

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How to replace the rubber band on Original Prusa XL (Multi-tool)

How to replace the rubber band on Original Prusa XL (Multi-tool)
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Last updated 25 days ago
How to replace the rubber band on Original Prusa XL (Multi-tool)
 Difficulty
Moderate
 Steps
12
 Available languages
CSPLDEITFR
Introduction
Introduction
This guide will take you through the replacing of the Nozzle seal rubber band on the Original Prusa XL.
These instructions can also be used for an older version of the nozzle seal. The plastic parts are slightly different in shape, but the screws and procedure are the same.
Nozzle seal rubber band is available in our eshop prusa3d.com.
The following instructions are compatible with the Original Prusa XL Dual-head and Original Prusa XL Five-head.
The nozzle seal rubber band is shipped with the Original Prusa XL. And it is available in our e-shop prusa3d.com.
Note that you have to be logged in to have access to the spare parts section.
Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
For this chapter, please prepare:
TX 10 Torx key (screwdriver)
2.5mm Allen key
A cardboard box for use as a heatbed protection during the assembly. Hint: use the Prusament box.
Preparing the printer
Preparing the printer
Before you proceed, it is recommended to protect the heatbed.
Make sure the heatbed is cooled down to ambient temperature. Place the empty cardboard box approximately to the front center part of the heatbed.
Nextruder nozzle seal
Nextruder nozzle seal
Nextruder nozzle seal
These instructions can also be used for an older version of the nozzle seal. The plastic parts are slightly different in shape, but the screws and procedure are the same.
Detach the Nextruder and place it on a cardboard heatbed protection.
Any Nextruder where replacement of the nozzle sealing band is required.
Unscrew the M3x30 screw holding the Nozzle seal using a 2.5 mm Allen key.
Remove the Nozzle seal with the spring.
Nozzle seal disassembly
Nozzle seal disassembly
Nozzle seal disassembly
Nozzle seal disassembly
Remove the spring from the nozzle seal assembly. Do not throw it away!
Remove the M3x30 screw from the Nozzle seal assembly. Do not throw it away!
Untighten the M3x8rT screw.
Leave the M3x8rT screw in the xl-dock-cable-router-parking-plate-cap.
Removing the rubber band
Removing the rubber band
Removing the rubber band
Removing the rubber band
Pull out the second layer of the rubber band from the M3x8rT screw.
Pull out the TC-parking-plate. Do not throw it away!
Pull out the second layer of the rubber band from the M3x8rT screw. Throw away the damaged rubber band.
New rubber band: parts preparation
New rubber band: parts preparation
New rubber band: parts preparation
For the next steps, please prepare:
New rubber band (1x)
xl-dock-cable-router-parking-plate-support (1x)
TC-parking-plate (1x)
M3x30 screw (1x)
Spring (1x)
Rubber band attaching
Rubber band attaching
Rubber band attaching
Rubber band attaching
Slide one end of the rubber band onto the M3x8rT screw.
Slide the TC-parking-plate onto an M3x8rT screw.
The TC-parking-plate has to face up with the bent part. See the picture.
Slide the second end of the rubber band onto the M3x8rT screw.
Nozzle seal assembly
Nozzle seal assembly
Nozzle seal assembly
Nozzle seal assembly
Attach the xl-dock-cable-router-parking-plate-cap with the new rubber band onto the xl-dock-cable-router-parking-plate-support.
Tighten the M3x8rT screw using a T10 Torx screwdriver.
Insert the M3x30 screw through the xl-dock-cable-router-parking-plate-support.
Attach the spring onto the M3x30 screw.
Well done, the assembly is ready to be installed.
Nozzle seal attaching
Nozzle seal attaching
Nozzle seal attaching
Insert the nozzle seal (with the spring) into the dock.
Using a 2.5 mm Allen key, tighten the screw so that the head of the screw is 1 mm above the dock.
The current nozzle seal position is temporary, the exact height will be set in the next steps.
Nozzle seal heigh calibration
Nozzle seal heigh calibration
Nozzle seal heigh calibration
Nozzle seal heigh calibration
If is the Nozzle seal too low or too high, we need to reposition its height.
Using a 2.5 mm Allen key:
Turn the M3x30 screw clockwise to set the Nozzle seal lower.
Turn the M3x30 screw counterclockwise to set the Nozzle seal higher.
The correct position of the Nozzle seal is, that the Nozzle seal isn't bent and it is touching the nozzle.
Well done!
Well done!
The rubber band on the Nozzle seal is replaced. Happy printing!
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