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    • Before beginning your build, make sure that you have an appropriate mount for your extruder. If you have a commonly upgraded printer (Ultimaker 2, Taz 5/6, Prusa i3, etc) you'll likely be able to find 3D models of well designed Titan mounts on your favourite 3D model sharing site.

    • When installing the Titan, you must have something to separate the motor from the extruder body by 2 mm. Typically, a piece of your mounting bracket will attach here and provide this space (for reference take a look at our Prusa Mounting Bracket). Having a separation of more than 2mm will mean you need longer screws to hold the assembly together.

    • Please note that there may be extra bolts in the titan fixing kit bag that will be unused.

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  2. Gather The motor you'll be using + mounting bracket

    • Gather

    • The motor you'll be using + mounting bracket

    • Extruder Body + Large Gear

    • M3x8mm Screw

    • M3 Grub Screw

    • Pinion Gear

    • The Smallest, 1.5mm Hex Wrench, and Mid-sized, 2.5mm Hex Wrench

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  3. Thread the M3 grub screw into the pinion gear slightly so you don't lose it Slip the pinion gear onto the motor shaft with the grub screw facing down, towards the motor.

    • Thread the M3 grub screw into the pinion gear slightly so you don't lose it

    • Slip the pinion gear onto the motor shaft with the grub screw facing down, towards the motor.

    • Slide it about 3/4 of the way down the shaft and tighten the screw.

    • The compact but powerful motor has a fully round shaft. - some of the older kits used the slimline motor which has a flat on the shaft.

    • As of March 2019 the compact but powerful now has a flat ground on the shaft.

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  4. Take your M3 screw that you picked out before and slip it through the hole extruder body in the groove mount (lower leftmost screw hole).

    • Take your M3 screw that you picked out before and slip it through the hole extruder body in the groove mount (lower leftmost screw hole).

    • Slip the screw through your mounting bracket (including spacer if you're using one) and screw it into your motor.

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  5. Slot in the Hobb gear (attached to the other gear) You need to have the top of the pinion gear flush with the top of the Hobb gear. If it isn't—and it likely won't be on the first try—loosen the grub screw and adjust the positioning of the pinion gear on the motor's shaft. You may need to unscrew the extruder body to get at the grub screw.

    • Slot in the Hobb gear (attached to the other gear)

    • You need to have the top of the pinion gear flush with the top of the Hobb gear.

    • If it isn't—and it likely won't be on the first try—loosen the grub screw and adjust the positioning of the pinion gear on the motor's shaft. You may need to unscrew the extruder body to get at the grub screw.

    • When you think you've got it, try pressing down on the Hobb gear lightly to see how it will fare when the whole extruder is screwed in and make sure it's still flush.

    • If the pinion gear is mounted too high you will risk pinching the idler arm against the heat sink which will cause excessive friction.

    • If the pinion gear is mounted too low it will not make full contact with the Hobb gear which risks causing uneven wear.

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  6. Gather:

    • Gather:

    • Titan Body

    • 1.75mm Guide Tube (Marked "L" or "R")

    • PTFE Tubing

    • V6 Hotend

    • Do not use a collet or clip.

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  7. Slide the PTFE tubing into your heatsink until it touches the heat break (as far as it will go).

    • Slide the PTFE tubing into your heatsink until it touches the heat break (as far as it will go).

    • You should NOT have the little black collet installed.

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  9. Measure 16mm of PTFE tubing from the top of your heatsink/hotend and use a sharp knife to cut it there (so as not to deform the tubing). Make sure that you save a length of PTFE tubing for later, you'll need it for the last step.

    • Measure 16mm of PTFE tubing from the top of your heatsink/hotend and use a sharp knife to cut it there (so as not to deform the tubing).

    • Make sure that you save a length of PTFE tubing for later, you'll need it for the last step.

    • If the tubing is too long, the end will be crushed, potentially causing extrusion issues. If it's too short, you may have some slight difficulty loading filament. Of the two, slightly too short is better. Pop on the filament guide to check the length.

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  10. Slide the finished assembly into your extruder body. Make sure that the round side of the filament guide is facing down, into the extruder body. Slide the finished assembly into your extruder body. Make sure that the round side of the filament guide is facing down, into the extruder body.

    • Slide the finished assembly into your extruder body. Make sure that the round side of the filament guide is facing down, into the extruder body.

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  11. Gather: M4 Thumbscrew

    • Gather:

    • M4 Thumbscrew

    • OR M4 Button Head Screw

    • M4 Nut

    • Spring

    • Idler Lever

    • The only difference between the thumbscrew and the button head one is ease of use vs. space. If you can, we suggest using the thumbscrew.

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  12. Screw the M4 nut all the way onto the M4 Screw or Thumbscrew. Push the spring over the threaded part of the screw. The nut will eventually let you adjust the tension on your extruder by travelling down the screw and compressing the spring. Position the other end of the spring on the little bump on the idler lever.

    • Screw the M4 nut all the way onto the M4 Screw or Thumbscrew.

    • Push the spring over the threaded part of the screw. The nut will eventually let you adjust the tension on your extruder by travelling down the screw and compressing the spring.

    • Position the other end of the spring on the little bump on the idler lever.

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  13. Drop this assembly into the extruder body. The screw will slot into the nut-channel in the extruder body, and the idler arm will slip onto the motor shaft.

    • Drop this assembly into the extruder body.

    • The screw will slot into the nut-channel in the extruder body, and the idler arm will slip onto the motor shaft.

    • It is normal that the shaft sticks out slightly from the lever.

    • Make sure that the nut slots into the channel fully and that the idler arm is pressed all the way onto the motor shaft.

    • Your assembly may look like either photo above, depending on whether you're using the thumbscrew or the dome screw.

    • Do not compress the spring without the Titan lid on!!! It will go flying out and you will lose it. And it could hit someone in the face.

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  14. Gather:

    • Gather:

    • M3x30 Screws

    • Extruder Assembly

    • Titan Lid

    • Shake-proof washer

    • M3x25 Screw (the shortest M3 Screw)

    • The mid-sized 2.5mm Hex Wrench.

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  15. Press on the lid to your extruder. It should be flush with all the sides of the body.

    • Press on the lid to your extruder. It should be flush with all the sides of the body.

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  16. Screw the two longer M3 screws that don't have blue patch lock on them into the left two holes on the lid. Because the extruder is only attached to the motor by one screw at the moment, you may need to wiggle it a little to get them to thread into the motor.

    • Screw the two longer M3 screws that don't have blue patch lock on them into the left two holes on the lid.

    • Because the extruder is only attached to the motor by one screw at the moment, you may need to wiggle it a little to get them to thread into the motor.

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  17. Screw the second longest screw into the right hand corner of the lid. This screw goes into the brass insert on the back of the extruder body, not your motor. It just holds the hotend in place.

    • Screw the second longest screw into the right hand corner of the lid.

    • This screw goes into the brass insert on the back of the extruder body, not your motor. It just holds the hotend in place.

    Edit

  18. Slip the shake-proof washer onto the screw with the blue patch lock on it. WARNING - this screw goes through the bearings and so when it is tightened it creates an axial load on the bearings, if this screws is overtightened even once it may cause permanent damage to your bearings which will result in bearing failure -PROCEED WITH CAUTION. Screw in this screw until it is finger tight and no more.

    • Slip the shake-proof washer onto the screw with the blue patch lock on it.

    • WARNING - this screw goes through the bearings and so when it is tightened it creates an axial load on the bearings, if this screws is overtightened even once it may cause permanent damage to your bearings which will result in bearing failure -PROCEED WITH CAUTION.

    • Screw in this screw until it is finger tight and no more.

    • The shake-proof washer will prevent this screw from coming loose.

    • There may be some slight visual misalignment of the idler and teeth, this is due to an inconsequential machining error of the filament drive gear. The toothed portion of the shaft is wide enough to accommodate this minor misalignment with no effect on how the teeth engage the filament.

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  19. Try to rotate the large acetal gear to see if it moves smoothly.

    • Try to rotate the large acetal gear to see if it moves smoothly.

    • If it is hard to rotate, check the position of the steel pinion gear, it may be too far forward. Adjust it so that it is flush with the front face of the acetal gear and try again.

    • If this does not solve the issue, then the screw with the shake-proof washer on it may have been overtightened. If loosening this screw allows the acetal gear to run smoothly then the screw has been overtightened and permanent damage may have been caused to the bearings; seek replacement bearings if this is the case.

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  20. If the large gear exhibits “backlash” (there's play between the large acetal gear and the metal one on the drive shaft), loosen all screws on the lid and rotate the body such that the gears fully mesh.

    • If the large gear exhibits “backlash” (there's play between the large acetal gear and the metal one on the drive shaft), loosen all screws on the lid and rotate the body such that the gears fully mesh.

    • Re-tighten the screws as described in the previous steps.

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  21. If you're printing 1.75mm filament, you can guide it a little better by putting a length of PTFE tubing in the top of the idler lever Press the tubing into the lever.

    • If you're printing 1.75mm filament, you can guide it a little better by putting a length of PTFE tubing in the top of the idler lever

    • Press the tubing into the lever.

    • It may be a very tight fit. Try inserting the PTFE with a slight twisting action, if that doesn't work you can file down the tube slightly.

    Edit

    • You're done with the mechanical assembly! All that's left is to calibrate your new extruder by updating your firmware and EEPROM. Click on one of the links below to start working on your firmware.

    • Marlin

    • Repetier

    • Smoothieware

    • RepRap Firmware

    Edit
Finish Line

3 other people completed this guide.

Author

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Gabe S.

Member since: 08/08/2017

13,866 Reputation

41 Guides authored

2 Comments

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Please add this type of note to Step 14.

If the Titan Lid does not fit flush, The Pinion Gear might be hindering it to be flush. Loosen the grub screw and adjust the positioning of the pinion gear on the motor's shaft. You may need to unscrew the extruder body to get at the grub screw.

Israel Andrade - Reply

Look at the Titan drawings, assembly info on them…

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WiKi_Tafr - Reply

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