typical GC6760 SERIES, Руководство по установке, инструкции и обслуживанию

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TYPICAL GC6760 Series
7 // THREAD TENSION
In this case is the upper thread tension is to tight or the
lower thread tension to loose. Loosen the upper thread tension
or tighten the lower thread tension
7/1 Setting the lower tread tension
1. Hold the bobbin case as shown in the picture.
2. Turn the adjusting screw (1) until the bobbin case slides
slowly down by it´s own weight while holding it on the
thread.
7/2 Setting the upper thread tension
You have to adjust the upper tension after setting the lower
thread tension, to get an even stitch.
1. Lower the sewing foot.
2. Regulate the upper thread tension by turning the
tension dial (2). Turn clockwise for a tighter tension, or
anticlockwise for a lower tension.
Lower tension
Tighten tension
Tighten tension
Lower tension
Caution
Switch the machine off before removing or inserting the bobbin case.
Injuries may occur if foot pedal is pressed accidently.
In this case is the upper thread tension is to loose or the
lower thread tension to tight. Tighten the upper thread tension
or loosen the lower thread tension.
For an even stitch the upper and lower tension must
be adjusted to an optimal setting.
Upper thread
Lower thread