(7) Various origin adjustments
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.
Standard adjustment
7) Adjustment of active tension (only the DDL-9000C-F)
❶
19±0.1mm
❸
OFF
OFF
OFF
ON
ON
Set the height of a convex
portion to 1.5 ± 0.1 mm.
❶
❹
❻
❺
Press lightly
❺
＜Completion＞
* Attach it in
the right
direction.
To return smoothly
To have a gap of 1 mm or more in
the (thread tension) disk
❷
❷
❷
❷
❷
❶
Thread
tension
OK
The shaft center
is in alignment.
❸ ❸
NG
The shaft center is
out of alignment.
– 36 –
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