Thread Tension Ne Tuning - Pfaff coverlock 4.0 Owner's Manual

Hide thumbs Also See for coverlock 4.0:
Table of Contents

Advertisement

Thread tension ne tuning

Thread tension is automatically set when selecting a stitch but it may have to be ne tuned depending on:
• Type and thickness of the fabric
• Needle size
• Size, type and bre content of the thread
See page 24 for how to adjust the thread tension settings.
2-thread overlock
When the lower looper thread lies on the underside of
the fabric
When the needle thread tension is too loose
2-thread overlock, wrap
When the lower looper thread tension is too tight or
needle thread tension is too loose
When the lower looper thread tension is too loose
3-thread atlock stitch
When the lower looper thread tension is too loose
When the upper looper thread tension is too loose
When the needle thread tension is too loose
3-thread overlock
When the upper looper thread lies on the underside of
the fabric
When the lower looper thread appears on the top of the
fabric
When the needle thread is too loose
4-thread overlock
When the upper looper thread lies on the underside of
the fabric
When the lower looper thread appears on the top of the
fabric
When the left needle thread tension is too loose
When the right needle thread tension is too loose
Safety stitch
When the lower looper thread tension is too loose
When the upper looper thread lies on the underside of
the fabric
When the lower looper thread appears on the top of the
fabric
When the right needle thread tension is too loose
When the chainstitch needle thread tension is too loose
Increase the looper thread tension (yellow), or decrease
the needle thread tension (blue or green).
Increase the needle thread tension (blue or green), or
decrease the lower looper thread tension (yellow).
Decrease the lower looper thread tension (yellow), or
increase the needle thread tension (blue or green).
Increase the lower looper thread tension (yellow).
Increase the lower looper thread tension (yellow), or
decrease the needle thread tension (blue or green).
Increase the upper looper thread tension (red), or
decrease the needle thread tension (blue or green).
Increase the needle thread tension (blue or green), or
decrease the upper looper thread tension (red).
Increase the upper looper thread tension (red), or
decrease the lower looper thread tension (yellow).
Increase the lower looper thread tension (yellow), or
decrease the upper looper thread tension (red).
Increase the needle tension (blue or green).
Increase the upper looper thread tension (red), or
decrease the lower looper thread tension (yellow).
Increase the lower looper thread tension (yellow), or
decrease the upper looper thread tension (red).
Increase the needle thread tension (blue).
Increase the right needle thread tension (green).
Increase the lower looper thread tension (yellow).
Increase the upper looper thread tension (red), or
decrease the lower looper thread tension (yellow).
Increase the lower looper thread tension (yellow), or
decrease the upper looper thread tension (red).
Increase the needle thread tension (green).
Increase the chainstitch needle thread tension (blue), or
decrease the chainstitch looper thread tension (purple).
Stitch adjustments
39

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents