Ultimaker 3 Maintenance Manual
How to perform a hot and cold pull
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- Original manual (60 pages) ,
- Installation and user manual (50 pages) ,
- Training manual (35 pages)
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How to perform a hot and cold pull – Ultimaker...
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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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Hardware add-ons
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Print cores
12/15/20, 2:15 PM
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Summary of Contents for Ultimaker 3
- Page 1 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.
- Page 2 3. Cut off the tip of the filament that you have just pulled out. 4. Check the color and the shape of the tip of the filament and compare it with the image below.
- Page 3 How to perform a hot and cold pull – Ultimaker... https://support.ultimaker.com/hc/en-us/articles/... 6. Once the tip of the filament is clean, manually flush some filament through the print core with pliers and take it out again. Con�rm to continue 3 of 7 12/15/20, 2:15 PM...
- Page 4 2. Hold the filament with pliers and gently apply pressure to extrude some material. Con�rm to continue 3. Maintain pressure on the filament with the pliers for the duration of the progress bar 4. Release the filament and wait until the print core has cooled down 5.
- Page 5 How to perform a hot and cold pull – Ultimaker... https://support.ultimaker.com/hc/en-us/articles/... Tip: If the tip of the filament is not clean, go back to hot pull or cold pull to repeat the 5 of 7 12/15/20, 2:15 PM...
- Page 6 Reassembly 1. Insert the Bowden tube into the print head and secure with the clamp clip. Con�rm to continue 2. Wait for the Ultimaker printer to finalize the cleaning procedure Was this article helpful? Articles in this section...
- Page 7 How to perform a hot and cold pull – Ultimaker... https://support.ultimaker.com/hc/en-us/articles/... Cleaning the Ultimaker 3 Check the quality of the silicone nozzle cover Check for residue in the front fan of the print head Check the tension of the short belts ...