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11
Threading the bobbin case, adjusting the thread tension
.04
on purl buttonholes
2
1
5
Fig. 11 - 05
Insert bobbin 1 into bobbin case 2.
Pass the thread through slot 3 and under spring 4.
Then pass the thread into slot 5.
Pass the thread out of hole 6 again.
Adjust the thread tension by turning screw 7.
Use the enclosed tool for this process.
6
The bobbin thread should be able to be pulled easily and evenly out of the
bobbin case 2 for sewing purl buttonholes. Therefore, turn screw 7 so that the
bobbin case 2, with a full bobbin 1, slides slowly downwards when hanging
freely from the thread.
Preparation
3
4
7
11 - 4
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