-
67
-
(2) Adjustment of needle-to-hook relation
1) Rotate hand driving wheel in accordance with
regular rotation direction to lift needle from the
lowest point.
2) Insert part [2] B of timing gauge into the gap
between the bottom end of needle bar and throat
plate, where the needle bar touches the timing
gauge.
3) Loosen setscrew C of the hook sleeve, and align
blade point of the sewing hook with the center of
needle hole.
Make a clearance of approx. 0.05 mm between the
needle and the blade point of the hook.
(3) Adjusting the inner hook stopper
Adjust with setscrew ③ so that the contact of the top
end of inner hook stopper ①
and the end face of inner
hook
②
is 0 to 0.2 mm.