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Prusa i3 Assembling Manual

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6
Assembling the
Electronics

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Summary of Contents for Prusa i3

  • Page 1 Assembling the Electronics...
  • Page 2 List of components for the Electronics 1 x Ramps 1.4 (with 4 x Stepstick Drivers A4988 mounted) 3 x End-stop 1 x LCD Control Panel 1 x USB cable, type B, 1.8 metres 4 x Cable motor Nema 17 2 x Cable end-stop 40 cm 1 x Cable end-stop 85 cm 4 x Motor Nema 17 1 x Kit of cables for the extruder: Four-strand cable for Nema 17...
  • Page 3 Installing the RAMPS 1.4 Ramps 1.4 Freaduino Mega 2560 v1.2. Design derived from Arduino Mega 2560 + Ramps 1.4, with dissipator in the MOSFET of the hotbed. Screw M3 x 20 mm Ramp Bracket printed part Bracket to insulate the electronics from the aluminium frame, with three hooks for securing cables with straps.
  • Page 4 Preparing the LCD control panel LCD Control Panel LCD control panel with card-reader for autonomous printing (SD card not included), with 30 cm cables. LCD Bracket printed part Bracket to insulate the electronics from the aluminium frame, with three hooks for securing cables with straps. LCD Hinge printed part Hinge to support the LCD in the upper part of the aluminium frame.
  • Page 5 Mounting the LCD control panel onto the frame Set for step 2 Nut M3...
  • Page 6 Putting the cables in the chains of Axle X and Axle Z 25-link Chain Igus 045.10.018 Cable-carrier chain (external dimensions 15 x 10 mm) 27-link Chain Igus 045.10.018 Cable-carrier chain (external dimensions 15 x 10 mm) Kit of cables for extruder Cable for axial blower Cable for axial fan Cable for cartridge heater...
  • Page 7 Fitting the chain of Axle X Chain of Axle X with cables The 25-link chain links the carriage of Axle X with the left-hand end of Axle X.
  • Page 8 Inserting the cables of Axle Z and fitting the carriage of Axle Z Set for step 5 End-stop cable of 85 cm 3-strand cable for the end-stop, with 3-pin female click connector. Assembly: Insert, through the chain of Axle Z, the cables of the motor (1) and of the end-stop sensor of Axle X (2).
  • Page 9 Preparing the fan Fan 50 x 50 mm 12V DC 0.13A. Fan support printed part Support for the 50 x 50 mm fan, positioned above the electronics for correct cooling. Screw M3 x 16 mm...
  • Page 10 Connecting and guiding the cables 11 x Assembly: Black strap 100 x 2.5 mm Prepared power-supply cable Connect the extruder cables (2) and then secure them with a strap (5). Also secure the 40 cm end-stop cable motor cables with straps, and connect them to 3-strand cable for end-stop with 3-pin, female click the plate.
  • Page 11 Guide to the cables of motors Z (right) and Y Guide to the end-stop cables Guide to cables and their connection into the plate Guide the cables through the printed part which holds the RAMPS and secure them with the straps. Connect the fan cable and power supply cable in the clamp of the plate.
  • Page 12 Connection diagram for Ramps 1.4 Be careful, because a bad connection of When connecting the motors to the the end-stop connectors could damage plate, check the orientation of the black the plate. cable.

  • Page 13: Fitting The Fan

    Fitting the fan Set for step 8 Screw M3 x 12 mm Assembly: Before fitting the fan, disconnect the LCD control panel from the RAMPS and pass it through the hole in the part.
  • Page 14 Right-hand filament support printed part Right-hand support for securing the spool of filament to the plate. Left-hand filament support printed part Left-hand support for securing the spool of filament to the plate Support for connection filament printed part Connecting piece and axis of rotation of the spool of filament for support on the frame. Now you’ve finished assembling your HEPHESTOS. Before starting to print, you need to level your printer’s Z axis and base. Follow the instructions at: www.bq.com/gb/products/prusa-hephestos.html Create a creator!