My RUTUBE https://rutube.ru/channel/33121931/ Why the upper thread breaks on a sewing machine. All the reasons and repair. Part 2. Video #73. This video lists almost all the reasons for the upper thread to break and troubleshooting on a PMZ sewing machine. In this video, part #2, you will see: 00:00 Checking the bobbin case, where and why the upper thread can break. 03:50 How to check that the shuttle tip does not hit the thread and correctly enters the loop on the needle. 05:56 How to adjust the needle bar so that the shuttle tip correctly enters the loop on the needle. 08:00 How to thread the lower thread into the bobbin case. Adjusting the lower thread. 09:42 What stitch should be on the sewing machine. 10:56 Sewing machine repair advice. Master Universal sewing machines repair training. More than 877 videos on repairing household and industrial sewing machines. Each brand of machine has its own playlist. Each video has its own number. Go to the playlists, select the desired brand of machine, all the repair videos are there. My contacts. Mail: [email protected] VKontakte: https://vk.com/id329324685 Website: http://vadelina.ru/ Section: For those who sew. Twitter / master_univer Blog http://masteruniv.blogspot.ru/ My RUTUBE https://rutube.ru/channel/33121931/ Page of training videos: Do it yourself! http://vadelina.ru/dlya-tekh-kto-shet/ Devices for sewing in a long zipper. Devices for edging fabric edges with bias tape. Devices for making bias tape. Snail for double turning of fabric edge. Do-it-yourself edgings: for EVA car mats, in three folds, in four folds, for hard-to-slide materials of artificial leather, see here http://vadelina.ru/dlya-tekh-kto-shet/ Sewing machine with double feed and walking foot: Installing the shuttle, factory adjustment of the needle bar http://vadelina.ru/ustanovka-chelnoka... Adjusting the overstitching. Adjusting the eccentrics of the walking foot and the toothed feed http://vadelina.ru/kak-otregulirovat-... Industrial sewing machine class 862: http://vadelina.ru/dlya-tekh-kto-shet/ How to install and adjust the tension and release mechanism of the upper thread. How to set the eccentric of the feed and lift of the toothed feed. How to change the bronze gear and bearing on the shuttle roller. How to install and adjust the shuttle. How to install and adjust the shuttle take-off. Typical GK 6150H and other similar machines: see here http://vadelina.ru/kak-postavit-cheln... How to install the shuttle, set the factory setting of the needle bar and adjust the eccentric. on Typical GK 6150H and other similar machines. Setting up the Podolsk sewing machine for thick leather and thick shoe threads. Supplement to setting up the Podolsk machine for thick threads and thick leather. Setting up the Chaika 142M and Podolsk 142 machines for thick leather and thick shoe threads, See here http://vadelina.ru/dlya-tekh-kto-shet/ sewing machine, sewing machine, sewing machine repair, sewing machine setting, thick threads, thick leather, how to sew thick leather, sewing house, sewing repair, machine setting for leather, Podolsk sewing machine