Ender 3 Belt Kit assembly manual
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Belt tensioning:
Using a measure tape, compare both ends of ROLLER SHAFTS (RODS),
on both sides, adjust Screws until measure is the same on both sides, approximately
dimension is about 510 to 515 mm (size must be taken on the external side of each
rod), do not exceed tension on belt, otherwise it will cause a lot of friction problems
and misalignment:
Note:
One way to check for the right belt tension and alignment is once done previous
step, roll the belt by hand and it have to move easy, smooth and straight without
wobbling or needing to apply to much force, if this is happening, loose the screws and
repeat previous step.