Shuttle shuttle frequently asked questions

　Guangyu for customers to understand the common problems are as follows:
　One shuttle bed. Through the pin hole and pin on the shuttle bed into one body for the shuttle rail part of the groove.
　Two shuttle cover. Secured to the shuttle with two screws, cut G for the needle to pass through, and the needle thread loop is removed from the shuttle assembly.
　③ shuttle bed. Use two screws to fasten it on the bottom of the sewing machine. The inner guide rail groove F matches with the guide ring D on the shuttle.
　Four bobbin sleeve positioning ring. Secure it to the shuttle bed with two screws to keep the bobbin case stationary.
　Wu shuttle. Swing back and forth in the rail groove of the shuttle bed. Hook A is used to hook the upper thread loop to form the stitch. Cone B turns the upper thread loop around the bobbin case smoothly. Arc C is used to tighten the bobbin 　thread in the bottom line, and draws the bottom line from the bobbin.
　⑥ Bobbin. Same as the shuttle bobbin.
　Seven bobbin sets. Central hollow sleeve in the shuttle spindle E, the positioning ring so that it can not rotate around the bobbin axis. Shuttle door H will be fixed on the bobbin, the appearance of the shuttle with a spring I to adjust the bottom line tension.