Baby Lock BLDY Service Manual page 273

Application of
Assembly
6. Set the photo transistor PCB assy to the sensor holder, and then hang the two hooks on the photo
transistor PCB assy. Pass the photo transistor PCB assy lead wire through the securing fixtures. Attach
the sensor holder to the motor holder assy with the screw (screw, pan (S/P washer) M3x6).
*Key point
• Refer to "Wiring of Thread cutter
7. Assemble the thread cutter lever and spring, twist (XE4139), hang the end "A" of spring, twist (XE4139)
on the thread cutter lever, attach them to the shaft of motor holder assy, and then secure them with the
retaining ring E4. Hang the end "B" of spring, twist (XE4139) on the notch of motor holder assy.
Retaining ring E4
Thread cutter lever
"A"
Thread cutter module
module".
Screw, pan (S/P washer) M3x6
Sensor holder
Thread cutter lever
"A"
Spring, twist
(XE4139)
"B"
Motor holder assy
3 - 175
Photo transistor
PCB assy
"B"
Photo transistor
PCB assy lead wire
Screw, Pan (S/P washer) M3X6
SPRING, TWIST (XE4139)
Hooks