−14 −
Adjustment Procedures Results of Improper Adjustment
1. Adjust the most advanced position of spreader 3 to the state
that the flat portion of spreader 3 is projected NS : 1.1 mm
and NL : 0.9 mm from hook needle 4.
Loosen screw 1 in the spreader driving link and adjust the
position by the length of the link.
2. Loosen setscrew 2 in the spreader installing base and adjust
the clearance provided between spreader 3 and hook needle
4 to 0 to 0.05 mm.
Adjustment Procedures Results of Improper Adjustment
1. Fulcrum shaft can be moved by loosening hexagon nut 2.
™ Lower the position downward to increase the stroke of the
spreader, or lift it to upward to decrease the stroke.
(Caution) When adjustment is performed, it is necessary to
check the timing of the spreader and the looper
(11) and (12).
™ If the stroke is excessively large,
the spreader arm will come in
contact with the machine bed.
™ If the stroke is excessively small,
return of thread hooking will be
retarded.
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