15
• Remove the connecting plug 14 from presser bar lifter sensor (fig. 12).
• Remove the connecting plug 15 from button hole sensor.
• Remove the connecting plug 16 from ZZ stepping motor.
• Remove the connecting plug 17 from feeding stepping motor.
• Remove the connecting plug 18 from speed sensor.
• Remove the ESD cable 19.
• Remove the connecting plug 20 from the knee lifter.
• Remove the connecting plug 21 from presser bar stepping motor.
• Remove the connecting plug 22 from PC board for presser bar stepping motor.