30
Mechanical Adjustment
MODEL: AirThread 2000D
To adjust the position of the chaining finger
The standard distance between the side edge of the needle plate and the left edge of the chaining finger is 0.2 mm.
The side edge of the needle plate should not interfere with the left edge of the chaining finger. When setting the chaining
finger switch knob to “S”, the tip of the chaining finder should align with the point of the needles on the needle plate.
To adjust:
1. Open the side cover.
2. Remove the presser foot (unit).
3. While pressing the upper knife release knob, turn it
clockwise by half a rotation to deactivate the upper
knife.
4. Set the chaining finger switch knob to “S”.
5. Loosen the setscrews (2 pcs.). Adjust the position of
the chaining finger by moving the chaining finger set
plate. Tighten the setscrews (2 pcs.).
6. Move the chaining finger switch knob to check if the
chaining finger moves smoothly.
7. Attach the presser foot (unit).
8. While pressing the upper knife release knob, turn it
clockwise by half a rotation to activate the upper knife.
9. Close the side cover.
Chaining finger switch
knob: R
Chaining finger switch
knob: S
Upper knife
Setscrew
Chaining finger switch set plate
Upper knife release knob
Upper knife release knob
Upper knife
Left edge of
the chaining finger
Side edge of
the needle plate
