Upper Tension Take-Up Spring
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Upper Tension Take-Up Spring

Replica for Singer 221, 222, 301 and many more Singer Models.

The standard tension is set at 3-4 for quilter’s cotton weight fabric.  However, if your standard tension is set considerably different, you might try calibrating it by disassembling and reassembling the Tension Unit completely - starting the gauge from scratch.

Following the illustrative photos above, use the following information to calibrate your Tension Unit.