Jupiter SE-Lead Screw Motor Replacement
Tools and materials needed
●4.0mm Allen wrench
●3.0mm Allen wrench
●2.5mm Allen wrench
●Diagonal pliers
●Gloves
Reference video
Operation steps
1. Use a 2.5mm Allen wrench to loosen the 4 screws fixing the motor baffle and remove the motor baffle.
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2. Use a 3.0mm Allen wrench to loosen the 2 screws fixing the lead screw stop.
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3. Use a 3.0mm Allen wrench to loosen the 4 screws fixing the motor base.
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4. Lay the printer down and use a 3.0mm Allen wrench to loosen the 4 screws fixing the anti-backlash nut.
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5. Hold the lead screw with one hand, turn the anti-backlash nut with the other hand, and remove the anti-backlash nut from the top of the screw rod.
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6. Use diagonal pliers to cut off the hot melt glue on the motor cable port, remove the lead screw motor and unplug the motor cable (gently pull out the cable to prevent tearing off the cable).
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7. Use a 2.5mm Allen wrench to loosen the 2 screws fixing the motor base and remove the motor base.
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8. Use a 2.5mm Allen wrench to loosen the 2 screws fixing the shock washer.
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9. Remove the shock washer from the top of the lead screw.
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10. Take out the new lead screw motor and place the shock washer from the top of the lead screw to the mounting position.
(Note: Please refer to the motor port direction to determine the installation direction)
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11. Use a 2.5mm Allen wrench to tighten the 2 screws fixing the shock washer.
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12. Align the screw holes, put the motor base in the mounting position, and use a 2.5mm Allen wrench to tighten the 2 screws.
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13. Place the motor assembly into the mounting position from the side and insert the motor cable.
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14. Use a 3.0mm Allen wrench from the rear of the Z-axis to tighten the 4 screws fixing the motor base.
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15. Hold the lead screw with one hand, turn the anti-backlash nut with the other hand, and install the anti-backlash nut from the top of the screw rod.
(Note that the anti-backlash nut screw holes are facing upward.)
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16. Use a 3.0mm Allen wrench to tighten "two-thirds" of the four screws of the anti-backlash nut.
(Note: These four screws cannot be tightened temporarily and will be tightened later)
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17. Align the screw holes, place the lead screw stop in the mounting position, and use a 3.0mm Allen wrench to tighten the 2 screws fixing the bearing seat.
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18. Align the screw holes, place the motor baffle into the mounting position, and use a 2.5mm Allen wrench to tighten the four screws fixing the motor baffle.
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19. Plug in the printer power supply and turn on the printer.
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20. Operate "[Tools]", and "[Manual]" on the touch screen, click the "[Return to zero]" button, and the printer will return to zero.
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21. Wait for the end of the return to zero movement, use a 3.0mm Allen wrench to tighten the four screws fixing the anti-backlash nut.
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22. Click the 10mm stroke on the touch screen, then click the up button several times.
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23. Observe that the Z-axis movement is normal. After re-leveling the printer, it can be used normally.
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