17
Clearance adjustment 2
1. Remove the base. (Refer to page 2)
2. Loosen the setscrews A, B and C, and tighten
setscrew C lightly.
3. Adjust the clearance by moving the hook setting plate.
Turn the handwheel and make sure that the clearance
between the needle and the tip of the rotary hook is
-0.10 to +0.05 mm.
4. Tighten the setscrews A, B and C rmly.
* Check the backlash between hook drive gear and
lower shaft gear, hook timing and needle bar height.
Adjust, if necessary after the adjustment.
5. Attach the base, bobbin holder, needle plate, presser
foot and needle.
Setscrew C
Setscrew B
Setscrew A
Hook setting plate
Clearance between needle and tip of the rotary hook adjustment (2)
The clearance between the needle and the tip of the rotary hook should be between -0.10 to
+0.05 mm.
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