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ryanmandell

Diagram or photos of Print Head Assembly

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The UM2 hot end has the following screws:

4 - very long ones in the corners holding it all together

2 - holding the top horizontal plate to the vertical grid

2 - holding the bottom horizontal plate to the vertical grid

8 - attaching the two fans to the bent metal frame

4 - attaching the bent metal to the print head assembly (2 on each side)

2 - holding the small back fan to the assembly of three metal plates

1 - long threaded rod that fits into the heater block and keeps the heater and temp sensor in place, and then passes up through the bottom metal plate to stop the nozzle block twisting

I think that's it. The screws are all pretty different, so it should be pretty easy to tell what you're missing. Post a photo if you can't figure it out.

 

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Thanks illuminarti,

I think I forgot to put one of the two screws that hold the top horizontal plate to the vertical grid back... I don't remember taking one out of there, but it was the same size as the two I removed from the bottom horizontal plate.

Your description also makes me realize that I might have put the threaded rod back in before the temp sensor was in place, thinking its only job was to keep the nozzle block from twisting.

Very helpful, thank you.

 

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Hello,

Does anyone have an exploded view diagram or some really detailed photos of the UM2 Print Head Assembly? I just took mine apart to clean the hot end, and like a dummy, I didn't take good photos during the disassembly. Now I've got one extra screw without a home.

Thanks for your help.

Last friday Ultimaker released all their documents about the ultimaker2. Im sure everything you need is in there !

Ian :-)

Here is the link.

https://www.ultimaker.com/blogs/news/2014/03/28/ultimaker-s-open-sourcing-continues-ultimaker-2-source-files-now-online

 

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