Baby Lock BLDY Service Manual page 272

Application of
Assembly
2
Attachment of Gears, PF pulse motor assy, Photo transistor PCB assy and Thread cutter lever
1. Set the cutter cam gear to the shaft of motor holder assy, and then secure it with the retaining ring
external C3.
2. Insert the hook of the spring into the hole of the thread cutter lever gear assy, and then insert another
hook of the spring into the hole of the thread cutter lever gear B. Assemble the thread cutter lever gear
assy, spring and thread cutter lever gear B.
3. Align the positioning hole of the thread cutter lever gear assy and positioning hole of thread cutter lever
gear B with the match mark on cutter cam gear, insert them into the shaft of motor holder assy, and
then secure them with the retaining ring E3.
4. Connect the lead wire assy CPM to the PF pulse motor assy.
5. Align the positioning hole of thread cutter lever gear assy and positioning hole of thread cutter lever
gear B with the match mark on gear of PF pulse motor assy, and then attach the PF pulse motor assy
to the motor holder assy with the two screws (screw, bind M3x4).
Retaining ring
external C3
Cutter cam
gear
Match mark
Thread cutter lever gear assy
PF pulse motor assy
Thread cutter module
Positioning hole
Spring
Positioning hole
Hole
Positioning
hole
Screw, bind M3x4
3 - 174
Retaining ring E3
Thread cutter
lever gear assy
Hole
Thread cutter
lever gear B
Motor holder assy
Positioning hole
Lead wire assy CPM
Gear of PF pulse motor assy
Screw, Bind M3X4
Thread cutter lever
gear assy
Match mark