530_replacement of the fixed mes.wmv
16/07/2023
530_the trimming cam setting.wmv
16/07/2023
530_replacement of the needle plate.wmv
16/07/2023
530_the thread retaining plate setting.wmv
16/07/2023
530_adjusting the hook timing.wmv
16/07/2023
530_replacement of the feed dog.wmv
16/07/2023
530_replacement of the mes.wmv
16/07/2023