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13) Height adjustment of corner knife
1. Make adjustments by loosening the fixing screw so that the tips
of both moving and fixed corner knifes are positioned about 4.5 to
5.5mm from the table upper face to the knife holder upper face
at the rising end of the corner knife elevator cylinder, as illustrated.
14) Tension adjustment of corner knife feeding belt
1. Loosen the fixing screw and the lock nut and move the follower
side pulley along the oblong hole of the base. (By moving the
adjusting screw forward and backward, the follower side pulley
can be moved.)
2. When a pressing force of 4.6± 0.6N is applied to the center of the
pulley, exert a tension to a degree where a deflection of 4.4mm is
caused.
3. After adjustments, tighten the fixing screw and the lock nut
assuredly.
o If the tension is too weak, the sew-
ing and knife positions may give
rise to deviation.
Adjustment Procedures Results of Improper Adjustment
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