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Brother CS-80 Tire Ring Replacement

Introduction

Use this guide to replace a worn out tire ring for the bobbin winder of a Brother CS-80 sewing machine.

Over time and with constant usage, the bobbin winder tire ring in a Brother CS-80 sewing machine can wear out, break, or even disintegrate. You may need to replace your tire ring if your machine has issues with winding the bobbin correctly.

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  1. Brother CS-80 Tire Ring Replacement, Tire Ring: étape 1, image 1 de 3 Brother CS-80 Tire Ring Replacement, Tire Ring: étape 1, image 2 de 3 Brother CS-80 Tire Ring Replacement, Tire Ring: étape 1, image 3 de 3

    • Turn off the machine.

    • Unplug both the power cord and the foot pedal.

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  2. Brother CS-80 Tire Ring Replacement: étape 2, image 1 de 1

    • Remove the clear flap by sliding it to the left.

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  3. Brother CS-80 Tire Ring Replacement: étape 3, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 3, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 3, image 3 de 3

    • Pull the latch to detach the bobbin cover.

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  4. Brother CS-80 Tire Ring Replacement: étape 4, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 4, image 2 de 2

    • Remove the bobbin from the bobbin shuttle.

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  5. Brother CS-80 Tire Ring Replacement: étape 5, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 5, image 2 de 2

    • Use a flathead screwdriver to pry off the plastic plate that surrounds the bobbin shuttle.

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  6. Brother CS-80 Tire Ring Replacement: étape 6, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 6, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 6, image 3 de 3

    • Open the bobbin winder cover.

    • Flip up the spool pin.

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  7. Brother CS-80 Tire Ring Replacement: étape 7, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 7, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 7, image 3 de 3

    • Remove the grey bobbin winder seat from the bobbin winder shaft.

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  8. Brother CS-80 Tire Ring Replacement: étape 8, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 8, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 8, image 3 de 3

    • Unscrew the 13 mm Phillips head screw from the left side of the bobbin winder.

    • Place the screw on a magnet (or in a tray) to ensure you don't lose it.

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  9. Brother CS-80 Tire Ring Replacement: étape 9, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 9, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 9, image 3 de 3

    • Pry off the bobbin winder thread spool pin and the attached bottom plate of the bobbin winder area.

    • Use a flathead screwdriver to assist you in removing the plate.

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  10. Brother CS-80 Tire Ring Replacement: étape 10, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 10, image 2 de 2

    • Unscrew the 8 mm Phillips head screw from the metal plate to the right of the motherboard.

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  12. Brother CS-80 Tire Ring Replacement: étape 11, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 11, image 2 de 2

    • Open the thread compartment.

    • Press the back level on left side of the machine to eject the thread cassette compartment.

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  13. Brother CS-80 Tire Ring Replacement: étape 12, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 12, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 12, image 3 de 3

    • Remove the thread cassette compartment by pulling it up.

    • Remove the front clear shield to the thread cassette compartment holder by pulling it away from the machine.

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  14. Brother CS-80 Tire Ring Replacement: étape 13, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 13, image 2 de 2

    • Unscrew the singular 19 mm Phillips head screw from the back of the inside of the thread cassette compartment area.

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  15. Brother CS-80 Tire Ring Replacement: étape 14, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 14, image 2 de 2

    • Turn the machine so the back is facing you.

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  16. Brother CS-80 Tire Ring Replacement: étape 15, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 15, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 15, image 3 de 3

    • Unscrew the three large 19 mm Phillips head screws from the back left face of the machine.

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  17. Brother CS-80 Tire Ring Replacement: étape 16, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 16, image 2 de 2

    • Unscrew the 19 mm Phillips head screw from behind the handle of the machine.

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  18. Brother CS-80 Tire Ring Replacement: étape 17, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 17, image 2 de 2

    • Unscrew the large 19 mm Phillips head screw from the bottom right of the machine.

    • You should have unscrewed a total of five 19 mm large screws from the back face.

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  19. Brother CS-80 Tire Ring Replacement: étape 18, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 18, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 18, image 3 de 3

    • Unscrew the 33 mm Phillips head screw by the presser foot lever.

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  20. Brother CS-80 Tire Ring Replacement: étape 19, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 19, image 2 de 2

    • Slowly pull apart the two sides of the sewing machine.

    • The machine will still be partially attached on the inside.

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  21. Brother CS-80 Tire Ring Replacement: étape 20, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 20, image 2 de 2

    • Gently disconnect the ribbon cable from the motherboard.

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  22. Brother CS-80 Tire Ring Replacement: étape 21, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 21, image 2 de 2

    • Disconnect the 6-pin connector from the motherboard.

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  23. Brother CS-80 Tire Ring Replacement: étape 22, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 22, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 22, image 3 de 3

    • Completely pull apart the two plates of the machine.

    • Set aside the front side piece.

    • Place the back piece down so that the inside faces upwards.

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  24. Brother CS-80 Tire Ring Replacement: étape 23, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 23, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 23, image 3 de 3

    • Unscrew the gold 9 mm Phillips head screw from the front right of the motherboard.

    • Unscrew the silver 7 mm Phillips head screws from the front and back of the left side of the motherboard.

    Traduire

  25. Brother CS-80 Tire Ring Replacement: étape 24, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 24, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 24, image 3 de 3

    • Slide out the motherboard from the white plastic motherboard tray.

    • Handle the motherboard gently to avoid damaging the circuits or connectors.

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  26. Brother CS-80 Tire Ring Replacement: étape 25, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 25, image 2 de 2

    • Disconnect the 3-pin connector from the front left side of the motherboard.

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  27. Brother CS-80 Tire Ring Replacement: étape 26, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 26, image 2 de 2

    • Disconnect the 4-pin connector from the left underside of the motherboard.

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  28. Brother CS-80 Tire Ring Replacement: étape 27, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 27, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 27, image 3 de 3

    • Flip the motherboard over so it rests upside down and away from the balance wheel.

    • Handle the motherboard gently to avoid damaging the circuits or connectors.

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  29. Brother CS-80 Tire Ring Replacement: étape 28, image 1 de 2 Brother CS-80 Tire Ring Replacement: étape 28, image 2 de 2

    • Use a flathead screwdriver to pry off the tire ring.

    • The tire ring may have disintegrated and deposited black rubber on the inside of the machine. If so, clean the area with rubbing alcohol with q-tips and paper towels. Wearing disposable gloves is recommended.

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  30. Brother CS-80 Tire Ring Replacement: étape 29, image 1 de 3 Brother CS-80 Tire Ring Replacement: étape 29, image 2 de 3 Brother CS-80 Tire Ring Replacement: étape 29, image 3 de 3

    • Place the new tire ring onto its seat.

    • You may need to use a flathead screwdriver to help it seat fully.

    Traduire
Conclusion

To reassemble your sewing machine, follow the disassembly instructions in reverse order.

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