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Threading the machine
Threading the looper
1
2
3
4
Threading the needle
1
2
3
4
>
Raising the needle via back-kick.
>
Raise the presser foot and swing it out.
>
Place the thread cones on the respective
spool pin.
>
Engage the thread in the thread
pretension.
>
Thread along the colored thread paths
markings.
1
Open the threader cover and the looper
cover.
2
Set air threader connector to «I». The air
threader pipes are coupled.
3
Hold the thread end above the respective
air threader nozzle and press the foot
control.
4
Release the foot control as soon as the
looper thread emerges from the looper
eye.
1
Select needle position yellow or green.
2
Press the needle threader lever down.
3
Pull the thread counterclockwise around
the thread deflector and through the
guide slots at the threader head.
4
Release the pressure on the needle
threader lever and let it go back to its
initial position. A thread loop is formed
behind the needle eye.
>
Pull the thread end back.
Sewing start / Sewing test
Sewing start
•
The machine is switched on and the presser foot is raised.
•
The fabric and the application have been selected.
fabric
•
The thread has been selected.
•
The combination of the needle and the thread is correct.
the needle
•
The stitch has been selected.
•
The machine settings based on the stitch selection have been
adjusted.
•
Threading has been performed according to the stitch chart.
Threading preparation
•
All threads are beneath the presser foot positioned to the back and left.
•
The threader cover is closed.
>
Lower the presser foot.
>
Press the foot control to start the sewing process.
̶ A thread chain is formed.
If no thread chain is formed.
Sewing test
>
Raise the presser foot.
>
Place the fabric sample under the presser foot in front of the knife.
>
Start sewing slowly, guiding the fabric lightly.
>
Sew beyond the fabric end so that a thread chain is formed.
>
Pull the thread chain over the thread cutter.
>
Assess the test sample and make the necessary fine adjustments, if
necessary. |
Adjusting the thread tension
The thread tension has influence on the stitch formation. The stitch
chart provides a recommended default value for each stitch. This
recommended value can optimized for the different thread/fabric
combinations as follows.
The looper threads are intertwined on the wrong side of the fabric.
>
Reduce the lower looper thread tension (red).
>
Increase the upper looper thread tension (blue).
The looper threads are intertwined on the right side of the fabric.
>
Reduce the upper thread tension (blue).
>
To reduce the thread
tension, turn the thread
>
Increase the lower looper thread tension (red).
tension adjustment dial
The left needle thread forms loops on the wrong side of the fabric.
down to a lower value.
>
Reduce the lower looper thread tension (red).
>
To increase the thread
>
Increase the left needle thread tension (yellow).
The right needle thread forms loop on the wrong side of the fabric.
tension, turn the thread
>
Increase the right needle thread tension (green).
tension adjustment dial
down to a higher value.
Selecting the thread
Stitch chart
Machine settings
Machine settings
Machine settings / Troubleshooting
Selecting the
Selecting
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