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luisito

Flaw in the new UM2+ feeder

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Posted · Flaw in the new UM2+ feeder

I have found that the gear that is attached to the motor shaft can travel inwards along the shaft, eventually loosing contact with the larger gear. The visble effect is that the feeder starts to fail.

It happened to me just after three spools printed, so I think it may happen easily.

I would recommend using at least one washer lock in the inside part of the shaft ofr even two washers one in each side of the smaller gear.

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Posted · Flaw in the new UM2+ feeder

I forgot to say it works that way on the UM2+ upgrade kit. I dont kown if it is designed same way on the original UM2+.

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Posted · Flaw in the new UM2+ feeder

How do you know if your upgrade kit is affected or not?

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Posted (edited) · Flaw in the new UM2+ feeder

Easy, remove the feeder external cap (you should remove the 4 external screws, not the two internal ones) and try to push with your fingers the small gear (the one that is mounted on the motor shaft) towards the motor. If you can, it is affected by this problem.  In my feeder i can push it easily. Dont forget to pull it back to its original position, or your feeder will not work!

Edited by Guest

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Posted · Flaw in the new UM2+ feeder

Good info.

I bought the upgrade kit in case I find a used Ultimaker 2 and upgrade it :)

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