Features:
1: Pair your industrial sewing machine with a synchronizer to precisely control your sewing operation.
2: Needle stop up or down positioner, synchronizer for brushless motors of industrial sewing machines.
4: Only suitable for industrial sewing machines with handwheel fixed or screwed to the spindle. Not suitable for all machines, adapters may be required.

Specifications:
Part name: External needle positioner
Size: As shown
Material: Metal
Color: Silver

Positioning sensor installation steps
1. Remove the fixing screws at the end of the machine head pulley shaft.
2. Fix the accessory "connector" to the shaft end with the "connector screw".
3. Install the external sensor and tighten the two set screws to fix the positioning rod in the slot of the sensor.
4. Insert the sensor signal line into the sensor socket of the motor.
5. Start the motor and detect the needle stop position. If there is any deviation, first loosen the two set screws on the sensor, then turn the pulley (do not let the sensor rotate) to for align the needle position, and then tighten the two screws.

Package Contents：
1 x Needle Holder
2 x Wrench
1 Set of Matching Accessories
Only the above package contents, other products are not included.