Page MenuHomeAleph Objects Inc

OHAI Kit - Thermal Gap Filler Kit
Closed, ResolvedPublic


Create customer facing OHAI kit

Event Timeline

nickp created this task.Jun 5 2018, 3:12 PM
nickp triaged this task as Normal priority.
nickp created this object with edit policy "LulzBot Hardware Products (Project)".
nickp reassigned this task from benmalouf to oliver.Jul 6 2018, 10:28 AM
nickp added a subscriber: benmalouf.
oliver added a comment.Jul 9 2018, 7:50 AM

@nickp Do we have a Part number or BOM for this kit yet? If so, please share.

@oliver Thermal Gap Filler Kit (x4) - KT-MS0007

Same here, the main workboard will give you the part number info.

Any updates on the OHAI for this one?

kent added a subscriber: kent.

Getting this one going now. @nickp do you happen to have a prototype of this product available to use for photos? If not, we will go ahead and start pulling the parts.

Marketing got the set that we had for product photos. You can source from Jess for photos for the OHAI.

kent added a comment.Sep 14 2018, 9:28 AM

@nickp I'm looking for the source for this kit, but I can't seem to find it in the retail parts repo. I need the label so that I can take pictures of it.

It's in devel... looks like it never got pushed to download but it is in devel

FYI, this is indeed in download as well

kent added a comment.Sep 14 2018, 11:13 AM

Ok I found it (gotta look on the second page lol). I'm not seeing the label in there though. Is that something we usually include with the source, and if so, do we want to add it? It looks like someone commited a lock file to the repo as well.

Labels get stored elsewhere. There's a link in the wiki in the "Creating a Label" page. If you have an issue finding come on up and one of us will show you. I'm out at noon today FYI

kent reassigned this task from oliver to logan.Sep 18 2018, 9:01 AM
kent added a subscriber: oliver.
logan added a comment.Sep 18 2018, 9:23 AM

Hey @nickp I was wondering, what is needed here? an installation OHAI?

Could I just grab the photos from Step 2 here:
beginning at image # 5 of that step?

@logan yes sir, an install OHAI. Recycling the photos is good thinking if you ask me :)

Orias added a subscriber: Orias.EditedOct 5 2018, 1:30 PM

heatsink >> heat sink

Suggested title: LulzBot Mini 2 Einsy Retro Heat Sink Thermal Gap Filler Replacement or Thermal Gap Filler Replacement ( we don't use internal part numbers on customer facing docs).

suggested url slug to remove the internal part number: mini-2-einsy-thermal-gap-filler-replacement

In general on customer oriented OHAIs, steps 1 and 2 will list anything required to complete the task.

Step 1 should be the mod warning:

Getting Started

At Aleph Objects, Inc. we respect your freedom to modify your LulzBot® 3D printer. Any modifications or attempted repairs that cause damage are not covered under the Warranty.

Questions? Contact Technical Support by emailing, or by calling +1-970-377-1111.

Step 2 should be Gather Materials (list box contents, and any other tools and materials needed (drivers needed to get to this point, links to previous guides needed, IPA if that's what they're using to remove the existing thermal compound).


  1. how do they prepare it, while making sure it's free of dust and debris?

It'll help to describe the cleaning process from the point where they remove the board. Would be good to link to a guide showing the board removal process.

Suggested shorter tweaks:

  1. Carefully apply one of the pre-cut Thermal Gap Fillers to the heat sink, completely covering one face.
  1. Place the heat sink into the 3D printed heat sink frame with the thermal compound facing down.
  1. Apply the second pre-cut thermal compound to the remaining side of the heat sink, ensuring that the thermal gap filler covers the exposed metal of the heat sink entirely.
kent removed logan as the assignee of this task.Oct 15 2018, 8:09 AM
kent assigned this task to Hob.
kent added a subscriber: logan.
kent added a subscriber: Hob.

@Hob I've assigned this to you to decide the best way to make this pretty for the customers. Lmk if you have any questions please.

kent claimed this task.Oct 23 2018, 1:38 PM
Orias added a subscriber: cathryn.Oct 23 2018, 3:28 PM
Orias added a comment.Oct 24 2018, 1:06 PM

@Hob, we need to incorporate the above feedback to finish this guide into place. I'll get with Kent on this to follow up.

Orias reassigned this task from kent to logan.Oct 24 2018, 2:17 PM

@logan mind rolling in the feedback above? is feedback?

logan added a comment.Oct 24 2018, 2:36 PM
@Orias Well, we'll have to answer the questions first.

how do they prepare it, while making sure it's free of dust and debris?

Canned air?

It'll help to describe the cleaning process from the point where they remove the board. Would be good to link to a guide showing the board removal process.

We don't have an existing guide to removing the board. The guide linked at the end can be referenced as such:

Begin by following this guide in reverse until you reach step 2:

For removing the existing thermal gap filler;

Rub and/or peel the old thermal gap filler off of the board, heat sink, and left frame plate using your fingers.

The rest of the feedback shouldn't be an issue. Do the above suggestions work for you?

Orias added a comment.Oct 24 2018, 2:48 PM

Sounds good to me. Your last suggestion for step 3 sounds better than canned air.

logan added a comment.Oct 24 2018, 2:50 PM

To clarify; the canned air would be used to clear the assembly of dust/debris after rubbing/peeling the thermal gap filler off. Unless you'd prefer not to so that it needn't be listed as required materials?

Clean the area with a clean cloth and rubbing alcohol. Then use the canned air.

My 2C

logan added a comment.EditedOct 24 2018, 2:54 PM

The alcohol I don't think is necessary, there isn't any residue in my mind that necessitates the use of solvents.

Perhaps include it as a suggestion for the customer. It is also dependent on the environment as well. So something like, "We recommend using some canned air or a clean cloth and alcohol to wipe down the area first if their is any dust particles in the air."

Just my thoughts.

logan reassigned this task from logan to Orias.Nov 2 2018, 1:23 PM

Feedback applied; please review

DaniAO added a subscriber: DaniAO.Nov 6 2018, 7:39 AM

in gather materials, it says heatsink kit.. is that referring to the thermal gap filler... or something else?

logan added a comment.Nov 6 2018, 8:04 AM

@DaniAO It was meant to refer to the thermal gap filler kit, wording corrected as follows:

Gather the required materials:

  • Thermal Gap Filler kit
  • LulzBot Mini 2 3D Printer
  • 2mm hex key
  • 2.5mm hex key
  • ESD-safe workspace
DaniAO added a comment.Nov 6 2018, 8:07 AM

@logan okay that makes more sense! Thanks! Looks good.

Orias added a comment.Nov 6 2018, 8:12 AM

I'll have this reviewed and will roll in any edits today. Thank you all!

logan added a comment.Nov 6 2018, 10:19 AM

No problem, just a reminder this still currently resides in the Drafts project set and needs moved to the appropriate public project set once complete. Please also remember to remove it from drafts after doing so. Thank you!

Orias added a subscriber: mcoronado.EditedNov 6 2018, 11:07 AM


Could we get a white background shot for this step?

In T2824#80168, @logan wrote:

Gather the required materials:

  • Thermal Gap Filler kit
  • LulzBot Mini 2 3D Printer
  • 2 mm hex key
  • 2.5 mm hex key
  • ESD-safe workspace (blue mat, rolled up if it's easier)

Similar to this:

Orias removed Orias as the assignee of this task.Nov 6 2018, 1:02 PM

Edits have been rolled it, project has been moved to Maintenance and Repairs.

Orias added a comment.Nov 6 2018, 1:03 PM

Leaving this open until we add T4433.