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Adjustment
Adjustment
Needle clearance left/right
[Adjustment standard]
The clearance between the needle top and the outer rotary hook point must be the same at the base line of both left
and right.
[Adjustment procedure]
1. Remove the presser foot, the needle plate B and the needle plate A, then remove the inner rotary hook.
2. Start the test mode.
3. Select the pattern number "02" (3-point needle drop mode).
4. Turn the pulley by hand until the needle aligns with the outer rotary hook point.
5. Loosen the screw (bolt socket M3 x 10) of the needle holder shaft block with the hex wrench (2.5mm).
6. Move the needle holder shaft block to the left and right, to adjust the clearance between the needle top and the
outer rotary hook point is the same at the base line of both left and right.
7. Tighten the screw (bolt socket M3 x 10) of the needle holder shaft block.
Outer rotary hook assy.
Left
Right
Hook Point
Needle
Top
Needle
Top
Hook Point
Needle holder shaft block
Bolt socket M3 x 10
Hex wrench
(2.5mm)