LulzBot Mini 2 Aerostruder v2 Micro User manual

Open Hardware
Assembly Instructions
LulzBot Mini 2 Aerostruder v2 Micro Tool Head Installation Workflow
1Getting Started
Follow the instructions below to quickly install your LulzBot Aerostruder v2 Micro on a LulzBot
Mini 2 3D Printer.
LulzBotAerostruderv2Micro

2Included Materials
(1) LulzBot Aerostruder v2 Micro Tool Head (Fully Assembled)
LulzBotAerostruderv2Micro
3Additional Items Required
You will also need
2.5mmmetrichexkey,includedwithyourLulzBotMini2
USBcable,includedwithyourLulzBotMini2
GNU/Linux/Windows/Mac‐basedcomputer
AdditionalItemsRequired

4Power Off Your LulzBot 3D Printer
4A
Power off and unplug the power cord from the rear of the printer.
4B
Unplug the USB cable from the front of the printer if installed.
PoweroffyourMini2
5Remove Connector Cover
5A
Using the 2.5 mm hex key included with your LulzBot Mini 2, remove the three M3 screws.
5B
Lift off the cover, exposing the tool head connector.
Remove3screws

Coverremoved
6Disconnect Tool Head
Depress the retaining tab on the connector housing and gently wiggle the connector free. Do not
pull on the wires, only the connector housing.
Retainingtab
Unplugthetoolheadconnectorfromthewiringharness

7Remove Tool Head
7A
The tool head is attached with three screws. The print surface can be damaged if the tool head is
allowed to fall onto the print surface. With one hand, support the tool head while following
removal steps below.
7B
Using the 2.5mm hex key, unscrew the three M5 screws securing the tool head to the X-axis
carriage. Remove the rear screw first, followed by the remaining top two screws.
7C
Remove the tool head from the printer by moving the tool head away from the printer.
Note: In previous versions of our tool heads, the Esteps (Extruder Steps Per Unit) were listed
along the back of the tool heads for the customer to update. For the new Aerostruder tool head
however, the Esteps are now set up within the firmware, and no manual updates are required.
Rearscrew
Topscrews

8Mount the New Tool Head
8A
Press the tool head onto the X-axis carriage, aligning the cutouts on the back of the new tool
head. Do not pinch any wires between the mount and the carriage.
8B
Secure it to the X-axis carriage by loosely screwing in the top two screws. Leave the top two
screws loose.
8C
Loosely screw in the last screw through the rear of the X-axis carriage.
8D
Tighten the top two screws.
8E
Tighten the rear screw.
Alignthetoolhead.

Aligningandinstallthetoptwoscrews,followedbytherearscrew
9Plug in Tool Head
Connect the two connectors, making sure to fully seat the connectors until they lock.
Readytoconnect
Fullyseatedandlocked

10Install Cover
10A
Cover the connector with the connector cover and attach it to the X-axis carriage using the three
M3 screws and the 2.5 mm hex key.
10B
Channel the wires together going to down the vertical pathway on the cover mount, and try not to
pinch any of the wires when securing the cover. Slide down carefully into place, and hold while
screwing in.
ScrewincoverusingthreeM3screws
11Install or Update Cura LulzBot Edition
11A
Install the latest version of Cura LulzBot Edition. It is important to have the LulzBot Edition of
Cura, as it has preset machine configuration profiles built into it.
11B
Cura LulzBot Edition is available from http://LulzBot.com/Cura.
11C
Plug in your LulzBot Mini 2 3D printer to the power supply and power on your 3D printer.
11D
Once powered on connect your 3D printer to your computer using the USB cable.
11E
Open Cura LulzBot Edition.

Poweronyour3DprinterandpluginUSBcable
OpenCuraLulzBotEdition

12Setup New Tool Head in Cura
12A
In the top right-hand menu for Cura LE, Select the Settings drop-down arrow > Printer > Add
Printer
12B
Select LulzBot Mini 2, Aerostruder Micro, and click Add Printer.
12C
Select Finish.
AddPrinter
SelectLulzBotMini2,andAerostruderMicro
AddPrinter

13Update Firmware
13A
From the drop-down menu at the top right-hand side of Cura LE, Select Manage Printers
13B
Confirm that the LulzBot Mini 2 Aerostruder v2 Micro is selected, and click Upgrade
Firmware.
13C
Select Automatically Update Firmware. The Update EEPROM checkbox should be checked
by default. Close any dialog windows after the firmware has been updated.
SelectManagePrinters

SelectUpgradeFirmware
AutomaticallyUpgradeFirmware

14Set Hotend Temperature
14A
Select Print Monitor Control Tab from the menu above the virtual print interface.
14B
Click Connect.
14C
Type 205 into the Select temperature field.
14D
Select Heat Extruder.
SelectMonitortab
ClickConnect

SetHotEndTempto205,selectHeatExtruder
15Remove Factory Calibration Filament
Note: Always heat the hot end to extrusion temperature beforeattempting to remove filament. If
switching between different material types, set the hot end to the approximate average extrusion
temperature of the two materials.
15A
_Once the hot end has reached the extrusion temperature of 205, remove the test filament used
during factory calibration by entering 5for the Extrusion amount in Cura LE. Click
the Extrude button. Change the value to 60 and click the Retract button.
15B
Once filament has retracted 60 mm, squeeze idler inwards, and pull the filament out. You may
need to loosen the idler slightly by turning the silver idler wheel clockwise.
15C
Tighten the idler by turning the silver idler wheel counter-clockwise if loosened.
Extrudefirst,thenretractfilament

16Load Filament
Filament Loading Tip: Cutting the filament at an angle will help with inserting into the extruder.
16A
Load the sample filament into the extruder. Squeeze the idler arm inward and insert the filament
into the extruder filament guide.
16B
Enter 60 in Extrusion amount and click the Extrude button.
16C
Purge factory filament by continuing to select the Extrude button until the hot end extrudes
material.
16D
Level the X-axis by clicking the Level X Axis button.
Insertfilament
ExtrudeFilament

LevelX‐axis
173D Print Rocktomek Test Model
Your first print: the LulzBot Rocktomek: Download and Save
1
Load the RocktomekPose05.stl 3D model.
2 Select the sample material: PolyLite PLA (Polymaker) and the Profile: High Detail.
3
Press the Print via USB button to start your print!
AllHailtheLulzBotRocktomek

Startingtheprint
18Improve Adhesion By Tuning Your Z-
Offset
You may need to fine tune your Z-axis offset, also known as Z-offset, to get the perfect first
layer. Follow the instructions in the Advanced section of the LulzBot Mini 2 User Manual for
detailed instructions.
More Information: LulzBot Mini 2 User Manual - Adjusting Z-offset
Adjust your Z-offset during the first layer of the print by following these steps:
18A
Press in on the Graphical LCD Controller knob on the LulzBot Mini 2 and select Tune.
18B
Select Z Offset
18C
Rotate the knob counterclockwise to bring the hot end nozzle closer to the print surface. Rotate
the knob clockwise to move the hot end nozzle farther away from the print surface.

18D
Note the Z-offset value once adjusted. Follow the instructions at LulzBot.com/z-offset to store
your ideal Z-offset.
Tune
Zoffset

Adjustasdesired
Idealfirstlayerheight
https://ohai.lulzbot.com/project/lulzbot‐mini‐2‐aerostruder‐v2‐micro‐installation/9‐13‐18
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