Basic of Disassembly
1
Removal of Bobbin winding
1. Remove the two screws (screw, pan (S/P washer) M4x12) to remove the bobbin winder assy.
Screw, Pan (S/P washer) M4X12
Screw, pan (S/P washer) M4x12
2
Removal of Thread tension assy
1. Remove the two screws (screw, pan (S/P washer) M4x12) to remove the thread tension assy.
2. Remove the screw (taptite, cup S 4x16) to remove the upper tension control lever from the mounting
position of the arm bed.
Screw, Pan (S/P washer) M4X12
Taptite, Cup S 4X16
Screw, pan (S/P washer) M4x12
Upper tension control lever
Bobbin winding and Needle threading mechanism
Bobbin winder assy
Thread tension assy
2 - 15
Taptite, cup S 4x16
Mounting position