Скачать или смотреть 🔧🔧Singer Sewing Machine Needle Bar Timing 🔧🔧

🔧🔧Singer Sewing Machine Needle Bar Height Adjustment🔧🔧

The needle bar height adjustment on a Singer sewing machine is a critical maintenance procedure necessary to ensure proper timing between the needle and the rotary hook (or shuttle hook). Correct height positioning prevents skipped stitches, thread breakage, and needle damage.
General Adjustment Process (Note: specific steps can vary by model):
Preparation: Power off the machine and raise the presser foot. Install a new, correct needle. Access the set screw for the needle bar. This is often done by removing a faceplate or a plug on the machine's head, or by accessing a screw through a hole in the back.
Locate Timing Point: Manually turn the handwheel to lower the needle to its lowest point (Bottom Dead Center - BDC), and then begin raising it slightly (typically a measurement or a timing mark is used).
Positioning: At the specific timing point (where the needle is rising from BDC), the point of the rotary hook should intersect the needle just above the eye. For many machines, the goal is for the hook point to pass directly over or just above the needle eye when the loop is forming. Some Singer models have a reference mark on the needle bar that aligns with a specific point on the machine head or needle bar housing.
Loosening and Adjustment: Gently loosen the needle bar set screw enough to allow the needle bar to slide up or down. Carefully move the needle bar to the correct height.
Tightening and Testing: Securely tighten the set screw. Test the timing by slowly turning the handwheel to observe the hook's interaction with the needle. Finally, test the machine by sewing a few stitches to check for proper loop formation and absence of skipped stitches.
Tags:
Sewing Machine Repair, Singer, Needle
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