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As many have reported my rods were way to tight. This is my second Original Prusa i3 build the first being an MK2S and these parts were much tighter than in the first. I recommend adding the the end point viewing holes for the top rod also.
Better to pitch the allen wrenches all together and get a quality set of hex screw drivers.
Please add a link at the end to the next section of the manual.
It would be nice to mention what the “proper offset distance” is.
Wow, sure wish that I had received the new spool holders. They are a whole lot less work.
DIttos on the box screw hole being too small. I replaced the M3x10 machine screw with a 4-40x3/8” flat head self tapping screw that worked perfectly. After three or four attempts I was able to get all of the wires packed away but it sure didn’t feel elegant.
I concur with these comments. I can see how there may be filament feed issues because of the tight tolerances on the holes and their alignment with the pulley teeth. I also ran a piece of filament all of the way through both holes. I am wondering if it would be good to open the holes slightly with a drill bit slightly larger than the as printed hole size. What is the specified diameter for the holes?
I'm seeing a similar issue to Daniel except pushing the carriage all of the way towards the motor doesn't reach the limit switch because the Y-belt holder part is hitting the pulley before it reaches the limit switch. At first, on my assembly, the tail of the timing belt was sticking out from the Y-belt holder and hitting the pulley before the pulley hit the Y-belt holder. Also, when I was installing the Y-belt holder part I noticed that the hole for the bolt away from the motor had a different depth than the hole for the bolt near the motor. This prevented the bolt from being long enough to reach through the Y carriage. Another issue that I noticed about the Y-belt holder part is that it doesn't provide very good axial alignment of the belt with the pulley and the idler. I think the Y-belt holder design needs some refinement.
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