JUKI LU-1510N Engineer's Manual page 35

Adjustment Procedures
1. Loosen needle stop adjusting screw 1 and nut 2, turn needle
stop adjusting screw 1 to adjust the dimension to 30.9±0.1
mm and fix it with needle stop adjusting nut 2.
Adjustment Procedures
1. Loosen nuts 1 and 2 attached to ball joint 4 and turn release
adjusting shaft rod 3 so that position "0" of the thread tension
base plate aligns with the change lever.
™ Increase the distance of the rod :
The change lever moves in the direction R.
™ Decrease the distance of the rod :
The change lever moves in the direction L.
2. After the adjustment, tighten nuts 1 and 2 while being careful
that adjusting shaft rod 3 does not turn.
(Standard) Adjust the distance between both ends of ball joint
4 to 49.7 mm.
Results of Improper Adjustment
™ W h e n t h e d i m e n s i o n i s
i m p r o p e r , v a r i o u s p l a ce s
related to the needle bar rocking
frame will be affected and
trouble of needle stop will be
cause.
Results of Improper Adjustment
™ When the position of the change
lever is improper, trouble of the
organized split needle bar
occurs.
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