Sewing Machine Servo Motor Circuit Board Repairing Tutorial 2
A tie bar connects with pedal to make infinitely variable speed. VARIABLE SPEED CONTROL- Unique tie bar design to make your work easy. Pulley, sprocket cover and mounting hardware included. Sewing machine electric servo motor adjustable speed 110 volt 750 watt 1 hp
easy to install, the same as the general motor installation method, without any modification.