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Unboxing and Assembly

{% hint style="warning" %} The M3D Crane Quad contains sensitive electronics, delicate mechanical parts, and an electrical heating system. Please exercise all applicable safety precautions and follow this guide closely to avoid damage to your M3D Crane Quad, to avoid injury to yourself or others, and insure proper operation.

Check your Local Supply Voltage and set your printers Voltage accordingly, or risk damage to your printer. {% endhint %}

Setting up after unboxing your printer:

After removing your M3D Crane Quad from the box, remove all the plastic wrapping being careful not to cut any of the sensitive parts of the device, such as the cables. Your M3D Crane Quad should look like this:

Remove the bolts at the bottom of each upright rail, as shown below. Setting them aside briefly:

note the bolts sticking out of the rails

{% hint style="warning" %} Inspect your M3D Crane Quad for any damage that may have occurred during shipping. Every precaution has been made to prevent this, however it is advisable to give all the components a thorough inspection before operation. If any issues are discovered, document the damage by taking an image of the affected area and contact M3D immediately. {% endhint %}

As long as no issues are discovered, you are ready for mechanical assembly.

Assembly:

Being careful not to stress or pull any of the cables, have a friend assist you in raising the upright rails; be sure to align the bolt holes.

If you aren't able to hold the upright in place, get someone's help to steady it. Line up the bolt holes (that previously housed the bolts you removed) and begin slowly tightening the bolts; first hand tighten, then slowly tighten more firmly with the provided Allen Key.

Ensure that all motor cables are connected. These are part of the black ribbon cable. You can identify the correct motor cable by looking at the yellow tags reading 'X, Y, and Z'. The motor connections are made up of 4 wires, while the associated endstop cable is a three wire cable directly beside the 4-wire cable for the respective motor; the only motor without an endstop is the extruder.

Connect the two gray ribbon cables labeled '1' and '2' and connect them to their respective ports on the back of the LCD assembly, 'EXP1' and 'EXP2'. Be careful not to cross these connections as it may damage the LCD Screen.

Should you find that your LCD cables are not labeled, simply determine which cable is shortest, that will be the cable to be connected to EXP1.

Determine which is Shortest

EXP1

Connect the short cable to EXP1, plug the longer cable into EXP2, and proceed to the next step.

Plug the Short Cable into EXP1 and the Long Cable in EXP2

After making the connections, use the provided bolts and Allen Key to secure the LCD to the front of the M3D Crane Quad.

Z-endstop positioning:

Be sure your M3D Crane is powered off and/or unplugged before you begin this step.

In order to ensure nothing is damaged during shipping, and furthermore during the first power on of your M3D Crane, it's been shipped with the Z-endstop raised. You will need to manually lower your Z-endstop before printing.

Z endstop

The first step to moving your Z-endstop to an appropriate height is to examine the exposed bolts below the Y-carriage and to tighten/loosen all four of your bed nuts so that only about 8-10 threads are exposed on each. You can see in this photograph a bolt that has been tightened to its recommended position. Use your own 7mm or 1/4th inch wrench to ensure each bolt is adjusted to approximately the same position.

8-10 threads exposed

Next you will need to manually center the print head over the bed. To do this gently move the print head left-to-right along the X-axis until it's in the center. Then, move the bed forward along the Y-axis until its center. At this point, the print head should be above the center of the bed. Finally, rotate the coupler between the Z-motor and the Z-leadscrew counter-clockwise until the left bracket of the X-axis is resting on top of the Z-endstop switch as seen in the photo.

Rotate the Coupler between the Z-motor and the Z-leadscrew

left bracket of the X-axis is resting on top of the Z-endstop switch

The Z endstop is attached to the rail with two T-nuts that hang the inside of the aluminum extrusion channel. Loosen the Z endstop bracket enough to loosen the 2 screws that secure the bracket to the rail.

After loosening the Z-endstop and allowing it to move down, we are now free to move the printhead closer to the bed. Slowly lower the print head until the nozzle touches the bed.

Little by little raise the Z endstop until a click is heard/felt and then tighten down the 2 screws again. You should be able to secure one of the nuts fairly easily to maintain the position of the Z endstop.

Manually raise your print head by rotating the Z axis and now you are ready to power on the M3D Crane and select Home All in the LCD menu. While it is still necessary that we run through the leveling process with the printer powered on, making these changes ensures that we do not cause any damage to the print surface.

In order to assure your M3D Crane Series printer maintains an accurate bed level after following the Bed Leveling section of this guide it may be necessary to make further adjustments to the Z endstop position. Maneuvering the Z endstop in conjunction with following the Bed Leveling guide will lead to a more accurate and level print bed.

X Bracket Alignment and tightening:

Should you notice your x bracket, the plate attaching the print head to the x axis is loose OR too tight follow the instructions in the pro-tuning guide to learn how to loosen or tighten the eccentric nuts that secure the x bracket to it's axis.

https://crane.printm3d.com/advanced-tuning-m3d-crane-series/tuning-guide

Should your x bracket appear warped or bent, please be sure to check that the eccentric nuts are not too tight. It should be secure enough so that then print head doesn't move around during printing about 1/16-1/12th turn extra past this point on the eccentric nuts should be sufficient any tighter could result in the appearance of warping or bending of the x bracket. Loosing these eccentric nuts should remedy this.

Spool Holder:

The Spool Holder that comes with the Crane Quad, is still the default regular 1 large size spool, holder. The First Gen Quads did come with a 3D printed spool holder that was made to hold the 4 smaller sized CMYK filament spools, however that design has been discontinued. We have since re-worked it and created a much better design for those small spools. This section detalis how to put together your standard, large spool, holder.

Spool Holder for larger spools of 3DInk Filament

The Spool Holder is comprised of the following parts:

  • 2 T-nuts
  • Mounting Bracket
  • Spool Mount Spindle
  • 2 End Caps

Spool Holder components

To assemble the Spool Holder screw the T-nuts into the holes at the bottom of the Mounting Bracket. Be sure to leave them fairly loose as you will tighten them firmly once the Mounting Bracket has been attached to the top rail of your M3D Crane Quad printer.

T-nuts in place at the bottom of the Mounting Bracket

Once the T-nuts are in place, slip one end of the Spool Mount Spindle through the large hole in the top of the Mounting Bracket and secure with an End Cap.

End Cap in place to secure Spindle to Mounting Bracket

The Spool Holder is designed so that the End Cap secures the spool and prevents it from slipping off the Spool Mount Spindle while in use. When not in use it's advised to keep the End Cap secured to the Spool Mount Spindle to prevent it from becoming lost or misplaced.

Fully Assembled Spool Holder

Once your Spool Holder is fully assembled simply slip the T-nuts into the grove on the top rail of your M3D Crane Quad printer and tighten securely.

Crane Quad Spool Holder:

As stated above, the first few Crane Quad's did come with a 3D printed spool holder, which was designed to hold all 4 of the smaller CMYK filament spools. This design has been upgraded but the 3D printed spool holder is NO LONGER included in the box with the printer. We DO have the STL file for the updated spool holder design. We suggest you download the STL, slice it, and print it to your own specifications.

This new Spool Holder design is much more simple. It's a SINGLE small spool holder, which is meant to slip into the back facing groove in the top rail of your Crane Series printer. You can print just one, however we do recommend you print up to 4. Having the Spool Holders as singles allows for more mobility, you can now move each spool holder along the axis so as to help control the filament's path to the Quad print head.

Single Small Spool Holder

It is not necessary to print the Spool Holder using CMYK filament, in fact it's recommended you use the spool holder as one of your first "test prints". This will allow you to accurately calibrate your machine, make sure it's level and is printing properly using a filament you are most comfortable with such as a generic PLA for example.

You can download the STL file to print this Spool Holder here:

{% file src="../.gitbook/assets/078802_b1_crane_spool_holder-1.stl" caption="Crane Quad Single Small Spool Holder " %}

Endstop Damage:

{% hint style="info" %} Occasionally things can be damaged during shipping, and or come loose. If you notice that one of your end-stops has broken, you can swap any of the others to replace the Z end-stop as this one is the most important.
{% endhint %}

Endstop damage during shipping

Before powering on your M3D Crane Series Printer:

You should have received along with your printer, a micro SD card as well as a blue micro SD card adapter. Check the SD card slot on the right side of your Crane Series printer to see if yours was shipped with the SD card already in place. If your SD card is already in place, remove it and replace it before powering it on. The SD card may have been shifted or impacted during shipping and turning on the power with the SD card askew inside could lead to damage.

If your SD card has arrived in a small separate case, simply remove the SD card from it's package and place it into the SD card slot on the right side of your Crane Series printer.

The Crane Series of printers are unique in that they are built with a Duet Maestro board. The Duet board uses the information on the SD card to operate, in a sense the SD card that goes in the slot on the Duet acts like it's hard drive. It is for this reason that should you desire to use an SD card to move your gcode to your printer instead of using Duet Web Control, it's recommended to purchase a second micro SD card and use the SD card slot on the back of the LCD screen.

QuadFusion Print Head: Replacing the Nozzle

Upon shipping your M3D Crane Quad's QuadFusion print head will be fully assembled. Should you wish to replace the nozzle, or should you have taken apart the print head for any reason, follow this Video Guide closely in order to correctly re-assemble your QuadFusion print head.

{% embed url="https://youtu.be/qIrvyc5NEUs" %}

{% hint style="info" %} Pay close attention to the Rotational Alignment of the Nozzle upon re-assembly. {% endhint %}

Additional information:

After assembly you may have some questions that might be further discussed in our Pro Tuning Guide.

Once your M3D Crane Quad is complete it should look like this:

Congratulations on completing the assembly of your M3D Crane Quad printer!! Please continue on to the next section where you will learn how to add your M3D Crane Quad to your existing network, or set up a network from scratch.

{% hint style="danger" %} Prior to exiting this section, please double check all connections, and place your M3D Crane Quad on a flat surface. Ensure the Power Switch is Off(O), double check that your voltage is set appropriately for YOUR area(consult local authorities if you are unsure). Failure to do this can irreparably harm the electronics in your printer. {% endhint %}