Main unit
1
Removal of Bobbin base assy.
1. Remove the bobbin base assy. 1 from the bobbin winder assy. 2.
1-1
Disassembly of Bobbin base assy.
1. Remove the bobbin thread cutter holder 2 from the bobbin base assy. 1.
*Key point
• Be careful not to damage the hooks 3 (4 locations).
2. Remove the NT lower thread cutter 4 from the bobbin base assy. 1.
Bobbin winder mechanism
1
2
3
2
1
3
1
2
4
2 - 23