Pfaff hobbylock 2.5 Owner's Manual - Page 27

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 Move the upper looper thread tension fine tuning lever (red) to a higher position. Or, move the lower looper thread tension fine tuning lever (yellow) to a lower position. Move the lower looper thread tension fine tuning lever (yellow) toward a higher position. Or, move the upper looper thread tension fine tuning lever (red) to a lower position. Move the needle tension fine tuning lever (blue or green) to a higher position. 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 Move the upper looper thread tension lever (red) toward a higher position. Or, move lower looper thread tension fine tuning lever (yellow) toward a lower position. Move the lower looper thread tension fine tuning lever (yellow) toward a higher position. Or, move the upper looper thread tension fine tuning lever (red) toward a lower position. Move the needle thread tension fine tuning lever (blue) toward a higher position. Move the right needle thread tension fine tuning lever (green) toward a higher position. Stitch adjustments 27