Basic Maintenancefor Embroidery Sewing MachinesInstructor...Greg Fierst…$20.00 By popular demandthe perfect class to learn the ins and out of keeping your embroidery sewing machine in top shape.Our senior technician, Greg Fierst will show you basic steps to keep your machine clean, to make minor adjustments and perform minor repairs.Greg will also give you a checklist to do before you bring your machine in for service.