957_trimming cam roller setting.wmv
16/07/2023
957_trimming cam setting.wmv
16/07/2023
957_feed cam setting.wmv
16/07/2023
4_5 Adjusting the Hook Timing 1.wmv
16/07/2023
957_lower thread holder setting.wmv
16/07/2023
4-7. The thread release setting.wmv
16/07/2023