CV3440
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Preguntas frecuentes y solución de problemas |
The thread tension is incorrect.
Check for the following matters.
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Probable cause
Adjustment of thread tension is not performed properly.
Remedy
Position "4" on the tension dial is the standard of thread tension. Start the adjustment with "4" when adjusting thread tension. When adjusting the thread tension, change the tension dial position little by little and then check the sewing result with trial sewing.
Refer to the instructions to learn the adjustment of thread tension.
Instructions for adjustment of thread tension
For fine tune of the thread tension, refer to the comparison chart below.
The different type of the cover stitches and a general guideline for thread tension settings
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Probable cause
Adjustment of the looper thread tension is improper.
Remedy
Check the position of the looper thread tension adjustment lever.
The spring operated by the lever absorbs slack of the thread.
Fine adjustments can be made to the looper thread tension with the looper thread tension adjustment lever.Refer to the instructions to learn the adjustment of the looper thread tension
Instructions for adjustment of the looper thread tension
(1) Looper thread tension adjustment lever
(2) SpringThread tension of back side looks bit loose?
The stitches of cover stitch sewn with machine have elasticity not to disturb elasticity of elastic fabrics.
The looseness of the stitch makes it possible to be stretchy.
Preguntas frecuentes relacionadas
- Adjusting the thread tension dials
- Preparation before threading
- How to remove and install the needle
- Differential feed adjustment
- How to adjust the looper thread tension
- How to adjust the stitch length
- Basic operations and sewing [Video instructions]
- How do I thread the machine?
- The different type of the cover stitches and a general guideline for thread tension settings.