12
Mechanical Adjustment
MODEL: AirThread 2000D
To check:
1. Raise the presser foot.
2. Use the gauge to check if the distance between the
bottom of the presser foot and the surface of the
needle plate is 5.2 mm to 5.8 mm.
3. If not, adjust as follows;
Presser foot
Setscrew
To adjust:
1. Remove the top cover and face plate.
2. Loosen the setscrew, and adjust the presser foot bar
height up or down. Be careful not to turn the presser
bar while moving it.
Tighten the setscrew after adjustment.
3. Lower and raise the presser foot again.
Be sure that the distance between the presser foot
and the needle plate is 5.2 to 5.8 mm.
4. Turn the handwheel toward you.
Make sure that the clearance between the needle and
the upper looper is appropriate.
5. Make sure that the presser foot and the feed dog
teeth are parallel.
6. Attach the face plate and the top cover.
Presser bar
To adjust the presser bar height
The distance between the bottom of the presser foot and the surface of the needle plate should be in the range of 5.2
mm to 5.8 mm when the presser foot is raised.
Gauge
5.2 to 5.8 mm
5.5 mm
Surface of needle plate
The presser foot should be parallel
with the slots for feed dogs.
Measure just under the pin
