Baby Lock BL7800, Service Manual

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8. Remove the presser holder and needle.
9. Remove the 8 connectors, the two screws, and the main PC board.
10. Remove the two screws and handle holder assembly.
11. Remove the screw and the bobbin winder switch assembly.
12. Remove the motor belt and pull out the motor connector. Remove the two screws and the motor unit.
13. Remove the screw and the board set plate D.
14. Remove the spring plate, the three screws and the SPM holder.
15. Remove the two screws, and pull out the thread guide cover.
16. Remove the screw and the needle bar supporter stud holder.
17. Remove the two springs and the needle bar supporter assembly.
18. Remove the two screws and the ZPM assembly.
Disassembly Points
9. To disconnect the connectors, grab the base of the connector and pull it straight out.
* In order to reduce the risk of static electric damage to the main PC board after it is removed from the
sewing machine, do not touch the board’s front surface and only carry it by its edges in the same way that
you hold a compact disk.
16. To remove the needle bar supporter stud holder, move it upward while removing it from the pin.
17. Before removing the needle bar supporter assembly, remove the two springs (A).
18. Before removing the ZPM holder assembly, remove the lamp cord connector from the power supply PC
board.