1. Tools necessary for this chapter

Original Prusa i3 MK3/MK3S/MK3S+ to MK4S/MK3.9S upgrade (1.01)

• 1. Introduction
• 1a. Parts check
• 1b. Printer disassembly
• 1c. Parts preparation
• 2. Frame assembly
• 3. X-axis & X-carriage assembly
  1. Tools necessary for this chapter
  2. X-axis assembly: parts preparation
  3. Assembling the X-end-motor (part I)
  4. Assembling the X-end-motor (part II)
  5. Assembling the X-end-idler (part I)
  6. Assembling the X-end-idler (part II)
  7. Assembling the X-end-idler (part III)
  8. Mounting the bearings: parts preparation
  9. Inserting the bearings: bearing pads
  10. Inserting the bearings: bearing clips
  11. Covering the bearings: X-end-motor
  12. Inserting the bearings: X-end-idler
  13. Assembling the X-axis: parts preparation
  14. Assembling the X-axis: Marking the bearings
  15. Assembling the X-axis: Inserting smooth rods
  16. Assembling the X-axis: mounting the X-end-motor
  17. Assembling the X-carriage: parts preparation
  18. Assembling the X-carriage
  19. Attaching the spacers
  20. Securing the spacers
  21. Assembling the X-carriage-clip: parts preparation
  22. Assembling the X-carriage-clip
  23. Attaching the X-carriage-clip
  24. Attaching the X motor: parts preparation
  25. Attaching the X motor
  26. Attaching the X motor: mounting the pulley
  27. Guiding the X belt: parts preparation
  28. Guiding the X belt: X-end-idler
  29. Guiding the X belt: X-end-motor
  30. Guiding the X belt: X-carriage
  31. Assembling the X-carriage: final check
  32. Haribo
  33. It's done!
• 4. Z-axis assembly
• 5. Nextruder assembly
• 6. xLCD assembly
• 7. Y-carriage & Heatbed assembly
• 8. Preflight check
• Manual changelog