Shapeoko 3 XL initialization issues

My high school makerspace has a Shapeoko 3 XL that was built 3 years ago, but when we came back this school year and tried to initialize it, the y-axis was jamming against the back of the rails and the motors were making a buzzing noise. I disassembled and rebuilt the machine and found a bunch of missing parts that I replaced, but when I tried to initialize it again the z-axis also started jamming. Is there something I’m missing?

Did you send the correct machine configuration?

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