1-1.Hook Timming.wmv
                                     16/07/2023
                                                                    
                                
                            1-4.Adjusting the Opener Location.wmv
                                     16/07/2023
                                                                    
                                
                            1-3.The Thread Timming Cam Setting.wmv
                                     16/07/2023
                                                                    
                                
                            1-6.Defective Feed Dog.wmv
                                     16/07/2023
                                                                    
                                
                             
                        











