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5. ADJUSTMENT
５-２０. Adjusting the position of the thread trimming link mechanism
3475
Q
3474Q3473Q
1.
Remove the top cover (1).
2. Loosen the two bolts (4) and adjust the position of the driving lever stopper (3) so that distance A between the
thread driving lever (2) and the driving lever stopper (3) shown in the illustration is 6 mm.
3. Loosen the nut (5) and use the adjusting screw (6) to adjust the position of the thread driving lever (2) so that
the clearance B between the thread driving lever (2) and the driving lever stopper (3) is 0.25 ± 0.05 mm.
4. Turn the machine pulley so that the set screw (8) at the front of the thread trimmer cam (7) in the direction of
rotation is facing upward, and then push the plunger (10) of the thread trimmer solenoid (9) in as far as it will
go and check that it returns smoothly when the roller (11) is in the slot.
5. Loosen the two screws (12) and adjust the position of the thread trimmer solenoid (9) so that the clearance
between the thread driving lever (2) and the driving lever stopper (3) is 0.5 mm when the plunger (10) of the
thread trimmer solenoid (9) is pushed in as far as it will go.
KE-430B, 430C series
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