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Y-axis not moving by hand(power turn off)


coloseaum
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Posted · Y-axis not moving by hand(power turn off)

Hi there,

i have a problem, that Ultimaker head has been not moving Y axis.(power turn on and turn off too)

head has been moving X axis good by hand.

my Ultimaker was printed very good , but this problem is happened suddenly.

two stepmotor(x,y) functions is good. but i think, pole of Y axis did not turning, by hand too(power turn off) .

i habe uploaded two video.

5a33150d3b9b5_2015-12-138_01_54.thumb.png.cc6da6c3fd47a615bbed6ee102223ad8.png

I would like to solve really this problem .

I await your good help.

https://www.youtube.com/watch?v=XyVMQ2yAcz4

https://www.youtube.com/watch?v=GWAaYySAxQs

5a33150d3b9b5_2015-12-138_01_54.thumb.png.cc6da6c3fd47a615bbed6ee102223ad8.png

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    Posted · Y-axis not moving by hand(power turn off)

    I hope you can understand all this...

    Un-clip the x/y rails out of the black Belt/rod holders and remove the head assembly.

    Make sure the rods slide easy in the bearings in the head.

    I'm guessing the Bushes in the main guides have gunk in them and needs cleaning out. For this you will need to slide the black holders and find which one is jammed. Undo the pulleys on that axis, Put some sewing machine oil on that rod and try to pull it out. It may be really hard to slide the holder off but you need to get it off.

    After you get it off you need to clean all axis with a cloth wet with sewing machine oil till all the black gunk is gone.

    Also clean inside the bush that was jammed. Run the rod in and out and keep cleaning.

    Put back together and move head around and give another wipe.

    You need to lube the axis with sewing machine oil on a regular basis.

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    • 1 year later...
    Posted · Y-axis not moving by hand(power turn off)

    You need to remove the shafts to remove the belts as the belts are a continuous circle.

    To do that you need to loosen the pulleys at either side of the shaft. Then slide the shaft out. You do this for the shafts on both sides of the belt.

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    Posted · Y-axis not moving by hand(power turn off)

    Same problem here. I just acquired an old UM2 Extended with a total of 2km of filament printer. Although it homes correctly, when moving the print heat by hand (with it turned off) the movement in the Y axis jams in two specific point, really hard. Visually I just can't point nothing wrong that could be a reason for it.

    Any hints or clues? Thank you.

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    Posted · Y-axis not moving by hand(power turn off)
    On 8/31/2020 at 10:24 AM, my3DBr said:

    Same problem here. I just acquired an old UM2 Extended with a total of 2km of filament printer. Although it homes correctly, when moving the print heat by hand (with it turned off) the movement in the Y axis jams in two specific point, really hard. Visually I just can't point nothing wrong that could be a reason for it.

    Any hints or clues? Thank you.

    It was rustted.

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