QuickSwap™-Hotend Assembly

***Pro tip:
Click on the thumbnail pictures to see a high resolution image which can be magnified

Overview of the QuickSwap-Hotend components

These are the components of the QuickSwap-Hotend shown in their assembly positions:

  • M2x10 Socket Cap Screw (using a pair of Digital Calipers the diameter of the threads will measure approx 2mm)
  • Spring Case
  • Cooling Block
  • Spring
  • Slide Lock
  • Slide Case
  • Heatbreak Tubes
  • Heater Block
  • M1.4×10 Socket Cap Screw (using a pair of Digital Calipers the diameter of the threads will measure approx 1.4mm)

*The M2x10 Socket Cap screw will require a 1.5mm Hex Drive screwdriver.

**The M1.4×10 Socket Cap screw will require a 1.3mm Hex Drive screwdriver.

Attach the Spring Case to the Cooling block

  • Using a 1.5mm Hex drive screwdriver, and two(2) M2x10 Socket Cap screws, insert the screws into the Spring Case holes
  • Turn the screws Counter-Clockwise as you gently press them into the holes. Listen and feel for a ‘click’. Once you here that you will know that the threads are aligned.
  • Now turn the screwdriver clockwise to attach the ‘Spring case’ to the ‘Cooling block’.
  • It doesn’t matter which side of the cooling block you use.
  • Leave the screws loose

Grease the Slide Lock

Using the small packet of  Silicone Grease, apply a thin coating of grease to the surfaces of the slide lock EXCEPT the button end.

Insert the Spring into the Spring Case

  1. Slide the spring onto the end of the screwdriver
  2. Use the screwdriver to position the spring in the cut-out at the back of the Spring Case

Insert ‘slide lock’ into the assembly

  1. Align the notch at the end of the slide lock with the Spring
  2. Insert the Slide lock into the assembly
  3. Ensure that the spring is aligned with and inserted into the spring notch on the Slide Lock

Attach the ‘Slide case’

  1. Slightly compress the Slide Lock
  2. Put the Slide Case onto the Slide Lock
  3. Align the Slide Case with the Cooling block
  4. Using a 1.5mm hex drive screwdriver, and two(2) M2x10 socket cap screws, attach the Slide Case to the Assembly
  5. Tighten all four screws. **Do NOT over-tighten!! **

Insert Tubes into Heater Block

  2. Insert one(1) Tube into each hole (blue arrows)
  3. Wiggle the tubes down into their holes by holding them around their circumference, NOT on the end.

Connect Heater Block and Cooling Block

  1. Turn over the Cooling Block assembly
  2. Align the Tubes (Pink) with the holes in the Cooling Block (Blue)
  3. Gently wiggle the tubes into the opposing holes on the Cooling Block
  4. Make sure the Large hole in the Heater Block is aligned closest to the Spring Case (Orange arrows)

Screw the ‘heater block’ to the ‘cooling block’

  1. Insert the M1.4x10mm Socket Cap screw into each of the 2 holes on the bottom of the Heater Block (Red Arrows)
  2. Using a 1.3mm Hex Drive Screwdriver, gently tighten the screws into the Cooling Block. ***Do NOT over-tighten the screws***

Confirm operation

  • *There is also a video of the confirmation process below
  • **The slide lock MUST move smoothly**
  • If the Slide is fully depressed and then gently released it should slide all the way to touch the slide case lip. (Orange Arrow)
  • If the Slide is fully depressed and you slide your finger off the button, the Slide should ‘Snap’ back into place.
  • Watch the video below to see this in action

Repair Slide Smoothness

*There is a video of the Slide Case repair process below, in addition to the step-by-step images

If the Slide Lock does not operate smoothly, as per the previous step, then follow these steps to fix it.

  1. Remove the screws holding the Slide Case on (orange arrows)
  2. Remove the slide case
  3. Using either a dremel with a grinding wheel,
  4. Or a piece of 80 grit automotive sand paper, and the Sandpaper Holder (3D printable),
  5. sand down the underside of the Slide Case Lip  (Red Arrow) until it’s thickness is reduced to 2mm (Blue arrow).
  6. Reattach the Slide Case
  7. Check the operation as per the ‘Confirm Operation‘ step.
  8. Repeat until the Slide Lock operates smoothly.

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