Pfaff hobbylock 2.5, Owner'S Manual, Page: 26 / 32

26 Stitch adjustments
Thread tension fi ne tuning
Thread tension is automatically set when selecting a stitch type with the Auto Tension Dial (ATD), but it may have to
be fi ne tuned with the fi ne tuning levers depending on:
• Type and thickness of the fabric
• Needle size
• Size, type and fi bre content of the thread
2-thread overlock
When the lower looper thread lies on the underside of the
fabric
Move the lower looper thread tension fi ne tuning lever
(yellow) toward a higher position.
Or, move the needle thread tension fi ne tuning lever (blue
or green) toward a lower position.
When the needle thread tension is too loose Move the needle thread tension fi ne tuning lever (blue or
green) toward a higher position.
Or, move the lower looper thread tension fi ne tuning lever
(yellow) toward a lower position.
2-thread overlock, wrap
When the lower looper thread tension is too tight or needle
thread tension is too loose
Move the lower looper thread tension fi ne tuning lever
(yellow) toward a lower position.
Or, move the needle thread tension fi ne tuning lever (blue
or green) toward a higher position.
When the lower looper thread tension is too loose Move the lower looper thread tension fi ne tuning lever
(yellow) toward a higher position.
3-thread fl atlock stitch
When the lower looper thread tension is too loose Move the lower looper thread tension fi ne tuning lever
(yellow) toward a higher position.
Or, move the needle thread tension fi ne tuning lever (blue
or green) toward a lower position.
When the upper looper thread tension is too loose Move the upper looper thread tension fi ne tuning lever
(red) toward a higher position.
Or, move the needle thread tension fi ne tuning lever (blue
or green) toward a lower position.
When the needle thread tension is too loose Move the needle thread tension fi ne tuning lever (blue or
green) toward a higher position.
Or, move the upper looper thread tension fi ne tuning lever
(red) toward a lower position.