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(7) Turn the hook by hand and stop it at the position where the hook point (No.7) meets with the center
line of the needle (No.8).
<8>
(8) Move the hook by hand and adjust the clearance between the hook point and the needle to be about
0.05 mm.
(9) Hold the hook and tighten the three of hook set screws (No.4) securely.
<8>
(10) After the adjustment, put the sliding plate and bobbin case back to the original locations and close
the cylinder cover.
(11) When put the sliding plate back on the sewing machine, in order for the needle (No.8) to come into
the right center of the needle hole of the needle plate (No.9), make sure that the needle plate hole
center matches with the needle point then, tighten the set screws securely.
<8>
<7>
<7>: Hook point
<8>:Needle
<7>
0.05mm
<4>
<9>
<4>: Hook set screw
<7>: Hook point
<8>:Needle
<8>:Needle
<9>: Needle hole
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