ak118 pedal-driven with its full array of options the machine further increases ... reverse-stitch correction auto-lifter thread trimming and the cancellation of one ... cycle of repetitive stitching remaining bobbin ... thread detector ae-8 part no gae-080000a0 ... when the amount of remaining bobbin thread reaches the setting the buzzer will ... operator not to press on the front part of the foot pedal with this function the ... the sewing work to check the bobbin thread to retrofit the ae-8 to your existing ... device can be installed on the back of the face plate it is very convenient ... the sewing machine and actuates the thread trimmer this enhances productivity by ... stitch length needle bar stroke lift of the presser foot needle at the time of ... from needle to machine arm size of bed bobbin thread winder micro-lifter ...