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(6) Adjusting the origin of the needle rocking motor
™ Adjustment of the origin is performed in case the needle rocking amount in terms of the center is
not equal when (7) Adjusting the needle entry position is performed, or the motor or the sensor is
required to be replaced.
1)
3 )
4), 6), 8)
Origin sensor
(asm.)
5
9)
Standard Adjustment
1
Needle rocking
motor cover
1
Needle bar
support base
Sensor
installing base
8
90˚
7
2), 5)
6
2
<Condition of the origin "0">
When the link is at 90˚, move the light-up sensor
from the rightend to the left. The position of the
origin "0" is when the sensor gose out.
6)
9
Motor
90˚
Positioning jig
18
−
−
3
4
Needle rocking
unit base
6
Assemble link 9 and motor shaft
so as to be flush with each other.
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