Viking Emerald 183 Owner's Manual download pdf (Page 21)

3.19. Placing the bobbin in the machine

Turn off the main switch.

1. Verify that the needle is fully raised before inserting or

removing the bobbin. Move the release button to the right

to open the bobbin (A). Remove the cover (B).

2. Place the bobbin in the bobbin case so that the thread is

running in a counterclockwise rotation.

3. Pull the thread though the slit and pull it towards the left

into the tension.

4. Pull the thread so that you have about 6 inches (15cm) of

thread. Attach the bobbin cover plate.

3.20. Presser foot lifter

The presser foot is lowered or raised with the presser foot lifter. If

you are sewing on heavy fabric or several layers of fabric, the

presser foot can be raised higher to make it easier to place the

fabric underneath the presser foot.

3.21. Correct and incorrect thread tension

To understand the correct thread tension, sew a few sample

straight stitches at different settings.

1. Begin with a tension that is too loose (set at the lowest number). The bobbin thread will lie

straight and the top thread will be drawn to the underside of the fabric.

2. If you set the tension at the highest number, the top thread might break and the seam may

pucker.

3. The correct thread tension is set when the threads interlock in the middle of both fabric layers

or, in the case of decorative stitches, on the underside.

Make a few tests on a scrap piece of the fabric you intend to use, then check the tension.

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Viking Emerald 183 Owner's Manual Page 21