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UP 300 Service Manual
Operation Guide 23- Method of replacing X-axis belt
Tools
Cross screwdriver, hex wrench
1. Remove the aluminum column of the display and loosen the screws in the four holes marked in the right to release the
aluminum column, which is convenient for replacing the pulley bracket.
2. Use a cross screwdriver to remove the screws under the right fastening pulley bracket assembly and remove the pulley
bracket assembly. The pulley on the right requires special tooling.
3. Pull out the belt stuck in the X bearing sleeve in the direction shown in the figure, and then take out the X-axis belt;
3. When installing, put the belt into the corresponding gear on the X-axis connecting rod assembly, then put the other end of
the belt on the pulley bracket assembly, and then tighten the screws under the pulley bracket assembly;
4. Finally, keep the gaps between parts C and D on both sides basically the same by adjusting the amount of E.
