Jema JM-988, Manual Book

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9
Brother products: 438HS Series
Installation Position of Sensor Fixing Support
Fig.6 Installation Position of Button Sender Sensor
Installation method:
trimming connecting rod, install button attaching machine sensor in screw hole,
adjust the sensor and connecting rod until the spacing is 0.5mm (sensor light is on),
as shown in Fig. (6). Notes: Don't touch sensor for fear of any damage.
The red circle with the corresponding position of the first punch ,bottom out the
Fig.(7)438HS Electromagnet Socket Position
Fig. (8) Installation Position of J28 Broken Needle
Protection Sensor (Protect the Button Attaching Machine)
Installation method:
before installation, pull out the pedal switch wire from socket, shear a red wire,
connect one end with J28 sensor wire and link up the other end with another J28
sensor (Fig. 8), wrap the insulated tape and insert the pedal switch in P8.
Find out pedal switch (Fig. 7) (P8 position) socket of button attaching machine