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Replacing External Parts
MODEL: AirThread 2000D
To change the micro switch (presser foot lifter)
To remove:
1. Remove the belt cover.
2. Remove the setscrew A and remove the switch set
plate 2.
3. Remove the setscrew B and remove the micro switch.
4. Remove the terminals from the relay cable RF (unit)
and the relay cable FF (unit).
To attach:
1. Insert the terminals into the relay cable RF (unit) and
the relay cable FF (unit).
2. Tighten the setscrew B to fix the micro switch to the
switch set plate 2.
3. Partially tighten the setscrew A to fix the switch set
plate 2 to the thread tension set plate.
4. Adjust the position of the switch set plate 2 so that the
micro switch is set ON or OFF when the presser foot
lifter is lowered or raised. Tighten the setscrew A.
5. Attach the belt cover.
Setscrew A
Switch set plate 2
Micro switch
Thread tension set plate
Setscrew B
Relay cable FF
Relay cable RF
