Pfaff hobbylock 2.5, Owner'S Manual, Page: 27 / 32

27 Stitch adjustments
3-thread overlock
When the upper looper thread lies on the underside of the
fabric
Move the upper looper thread tension fi ne tuning lever
(red) to a higher position.
Or, move the lower looper thread tension fi ne tuning lever
(yellow) to a lower position.
When the lower looper thread appears on the top of the
fabric
Move the lower looper thread tension fi ne tuning lever
(yellow) toward a higher position.
Or, move the upper looper thread tension fi ne tuning lever
(red) to a lower position.
When the needle thread is too loose Move the needle tension fi ne tuning lever (blue or green) to
a higher position.
4-thread overlock
When the upper looper thread lies on the underside of the
fabric
Move the upper looper thread tension lever (red) toward a
higher position.
Or, move lower looper thread tension fi ne tuning lever
(yellow) toward a lower position.
When the lower looper thread appears on the top of the
fabric
Move the lower looper thread tension fi ne tuning lever
(yellow) toward a higher position.
Or, move the upper looper thread tension fi ne tuning lever
(red) toward a lower position.
When the left needle thread tension is too loose Move the needle thread tension fi ne tuning lever (blue)
toward a higher position.
When the right needle thread tension is too loose Move the right needle thread tension fi ne tuning lever
(green) toward a higher position.