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Your feed dogs won’t come up and the machine won’t feed fabric. I’ve fixed this hundreds of times. Nine times out of ten it’s something simple you can check in thirty seconds. See also Diagnostic flowchart. See also Noisy feed…
Tension Spring: Function, Cleaning, and Replacement The tension spring in the bobbin case controls the lower thread tension. It is a small flat spring that presses against the thread as it leaves the bobbin. A bent or flattened tension spring…
Shuttle Hook: Horizontal vs Vertical, Maintenance, and Replacement A shuttle hook is a type of hook used in industrial and some vintage home machines. Unlike a rotary hook that rotates 360 degrees, a shuttle hook moves in a horizontal arc.…
Needle Plate: Types, Markings, and When to Replace The needle plate sits under the presser foot and has a hole for the needle and slots for the feed dogs. Most home machines use a standard needle plate with an oval…
Brush: Best Types, What NOT to Use, and Cleaning Guide A small brush is the most important cleaning tool for a sewing machine. A brush designed for sewing machines costs about $3. It has stiff bristles that reach into the…
Screwdriver Set: Types, Sizes, and What You Actually Need You need only two screwdrivers for most sewing machine repairs: a Phillips #0 and a flat 2mm. A precision screwdriver set costs $8 and covers both. The Phillips #0 removes the…
In the industrial sewing industry, the efficiency and precision of bar-tacking and button-sewing processes directly determine the quality and output of garments, bags, and other products. ZOJE, a leading brand in domestic sewing machinery, has introduced the 20X Bar-tacking and…
Hemostats: Why You Need Them, Sizes, and Where to Use Hemostats are the most useful tool in my repair kit. A pair of curved 8-inch hemostats costs about $6 and works better than tweezers for removing thread nests from the…
Tension Mechanism: Upper vs Lower, Adjustment, and Comparison The tension mechanism has two parts: upper and lower. The upper tension sits on the front of the machine. The lower tension is in the bobbin case. The upper tension has a…
Handwheel Won’t Turn? Here Is the Fix A handwheel that will not turn means something is physically blocking the mechanism. Do not force it. The most common cause is thread wrapped around the hook assembly under the needle plate. Remove…
