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9. Adjusting the position of the moving knife
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the following
work after turning the power off and ascertaining that the motor is at rest.
1)
Loosen the bed cover setscrews (1-needle machine: Two pieces; 2-needle machine: Four pieces) to remove
the bed cover.
Loosen clamping screw(s) ❶ (1-needle machine: One piece; 2-needle machine: Two pieces) of the moving
2)
knife shaft connecting arm A.
3)
In the state where the flat surface of the thread trimming cam and the cam roller come in contact with each
other, adjust the distance between the tip of counter knife ❸ and the tip of moving knife ❷ to 1.3 ± 0.1mm.
Tighten clamping screw(s) ❶ (1-needle machine: One piece; 2-needle machine: Two pieces) of the moving
4)
knife shaft connecting arm A in such a way that there is no thrust play in moving knife driving shaft ❹ .
❹ ❹
❶
– 9 –
❸
❸
❷ ❷
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