Titan Extruder mount for Lulzbot Mini with E3D V6 Hotend

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This is a mount for the E3D Titan Extruder with V6 Hotend. It's designed to replace the factory extruder and requires some modifications to get it up and running. To install this upgrade, you'll need to recompile the Marlin Firmware to change the y-Min and y-Max settings. The Hotend is forward 10mm from the stock location, so these changes are necessary for proper operation. Before making any modifications to your machine, make sure to power it off and remove all plugs. You can then proceed with the installation process. Here's a step-by-step guide to get you started: 1. Remove supports from the part using pliers. 2. Use a knife to clean up the brim. 3. Add heat inserts: There are 3 M5 Heat inserts required (McMaster-Carr Part # 94180A371). Use a soldering iron set at 230C to push them into the 3 holes. 4. Clean up excess plastic to make the back flat. 5. Re-pin the extruder connector using pins purchased from Digikey, Part Number WM2517-ND. Follow the wiring instructions for proper connection. You'll need to open the case and move a fan wire to the 24 supply. Use a 2 pin extension wire for easier disconnection. Next, install the endstop by reusing the screws from the original parts. Make sure to connect the new extruder connector with proper pin1 orientation. A change must be made to the firmware for proper operation. Find and modify these lines: #define INVERT_E0_DIR true #define Y_MIN_POS -10 #define Y_MAX_POS 191 Change them to: #define INVERT_E0_DIR false #define Y_MIN_POS -20 #define Y_MAX_POS 181 Also, change the default E-Steps (new E-Steps is ~417): #define DEFAULT_AXIS_STEPS_PER_UNIT {100.5,100.5,1600,417} Compile and upload the firmware to your machine. When you power on your machine, the hotend fan should turn on. Run the PID autotune routine for the new hotend (see http://reprap.org/wiki/PID_Tuning ). Save the values for the PID using the M301 command, then save to EEPROM using M500. The old eeprom settings likely won't be overridden, so you'll need to change the e-steps. Set the new e-steps in the eeprom using M92 E417 to set the e-steps to 417 steps/mm (you can use M501 to view all of the settings). Save the new value with M500. You should calibrate the e-steps as it will differ slightly (mine came out to 409). Use one of the many guides on calibrating E-Steps. Watch your machine carefully during the first run, you'll likely need to change your Z offset (gcode M851 then M500 to save).