Ultimaker 3 Extended Maintenance

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Maintenance
How to perform a hot and cold pull
February 04, 2020 10:10
Cleaning filament can be used to clean the print core by applying hot and cold pulls. Hot
pulls are used to get the biggest parts of degraded material out of the print core and are
necessary when a print core is clogged. With a cold pull, the remaining small particles
will be pulled out, ensuring the print core is completely clean.
Preparation
1.
Navigate to the print core cleaning procedure on your printer:
a.
Go to
Preferences → Maintenance → Print head → Print core cleaning
on Ultimaker
S-line printers
b.
Go to
System → Maintenance → PrintCore
on the Ultimaker 3
2.
Select the print core you want to clean:
print core 1
or
print core 2
3.
Select the material you want to use for cleaning:
Cleaning �lament
or
PLA �lament
4.
Wait for the printer to heat up the print core and to retract the filament until its end is
visible in the Bowden tube
5.
Remove the Bowden tube from the print head. First, remove the clamp clip and then
push down on the tube coupling collet while pulling the Bowden tube upwards, out of
the print head.
Con�rm
to continue
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How to perform a hot and cold pull – Ultimaker... https://support.ultimaker.com/hc/en-us/articles/...
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Ultimaker 3 Extended Specifications

General

Build Volume	215 x 215 x 300 mm
Layer Resolution	20 - 200 microns
Print Technology	Fused Filament Fabrication (FFF)
Filament Diameter	2.85 mm
Operating System	Windows, MacOS, Linux
Print Speed	Up to 24 mm³/s
Software	Ultimaker Cura
Weight	11.3 kg
Print Head	Dual extrusion
Nozzle Diameter	0.4 mm
Supported Materials	PLA, ABS, Nylon, CPE, PVA
Connectivity	USB, Ethernet, Wi-Fi
Display	4.7" color touchscreen
Power Requirements	100 - 240 V / 50 - 60 Hz
Travel Speed	Up to 300 mm/s