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Adjustment procedure:
1. Remove the face cover. (Refer to page 4).
2. Remove the needle plate and bobbin holder.
Attach the master needle.
Turn the power switch on.
Select the zigzag stitch , and set the stitch width to “5.0”.
3. Remove the needle plate and bobbin holder. Replace the needle with the master needle and tighten the
needle clamp screw.
4. Loosen the setscrews A (2 pcs.) and move the presser bar base plate in the direction of the arrows (B or C).
* Move the presser bar base plate in the direction of B when the clearance is too large.
* Move the presser bar base plate in the direction of C when the clearance it too small.
Adjust the clearance betweeen the needle and hook betweeen -0.10 to +0.05 mm. Tighten the setscrews.
* The edge of presser bar base plate should always touches the bosses while adjusting the clearance it.
5. Attach the bobbin holder and needle plate. Attach the face cover.
NOTE:
Be sure that the clearance between the needle drop position and the edge of needle should be 0.2 mm more
for both sides (Refer to page 9).
* The clearance between the needle and the point of hook should be –0.10 to +0.05 mm.
CLEARANCE BETWEEN NEEDLE AND TIP OF THE ROTARY HOOK
MECHANICAL ADJUSTMENT
Boss
Needle plate
Setscrew
Setscrew A
Direction B
Direction C
Bobbin holder
Needle clamp screw
–0.10 to +0.05 mm
Tip of hook
Master needle