30
⇒
Presser foot
actuator arm
bush
Mechanical adjustment
Knee lifter
To adjust:
1. Remove the top cover (see page 2)
2. Remove the presser foot holder.
3. Lower the presser foot lifter.
4. Turn the handwheel toward you to lower the presser
foot bar at its lowest position.
5. Loosen the nut. Adjust the distance between the bush
and pin in the range of 0.2 to 0.5 mm by loosening or
tightening the setscrew A.
After this adjustment, tighten the nut (see fig. 2 and 3).
6. Turn the power switch ON while pressing the Start/
Stop button and the Reverse stitch button to enter the
factory setting mode.
Press "Foot Sen/Feed Dog" key.
7. Attach the knee lifter.
8. Push the knee lifter to the right as far as it goes and
hold it.
Loosen the setscrew B and adjust the thread release
plate
(for knee lifter) position so that the thread
release plate pushes the presser foot detecting switch,
and "Foot U/D" incicates "H" (see fig. 4).
* The presser lifter detecting switch should not be closed
completey in case of the procedure 8.
Start/Stop button
Reverse
stitch button
Thread release plate
(for knee lifter)
Knee lifter link (2)
Setscrew A
Fig. 1
Fig. 2
Fig. 3
Pin
Knee lifter link (1)
Knee lifter link (3)
Nut
The distance between the bush and pin should be in
the range of 0.2 to 0.5 mm.
Fig. 4
Thread release plate
(for knee lifter)
Thread release plate
Setscrew B
Knee lifter link (1)
Presser foot
lifter detecting
switch