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(8) Adjustment of the origin of a presser lifter motor
WARNING :
Be sure to turn the power OFF before the following work in order to prevent personal injury due to
unintentional starting of the sewing machine.
（
Reference) Operating specification of DDL-8000A presser motor
<Operating position of presser motor>
Height from throat plate
Height from throat plate
Presser lowering position
<Pedal operation>
Neutral
Depressing
back part
of pedal to
the 1st step
Depressing back part of
pedal to the 2st step
(thread trimming)
Standard adjustment
Height from throat plate
Presser foot 1st step lifting position
Origin
position
– 29 –
Presser foot 2nd step lifting position
CW
CCW
Presser foot 1st step lifting position
• Presser foot lifting position when the sewing machine is
stopped during sewing
• Presser position after depressing the back part of the
pedal to the 2nd step and trimming the thread
Presser foot 2nd step lifting position
• Presser lifter at depressing the back part of the pedal
to the 2nd step position (thread trimmer) again after
completion of thread trimming
Sensor (Low)
0 (origin)
Sensor (Hi)
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