JUKI SC-956, Instruction Manual

Page: 120 / 185

– 115 –
②
[Adjusting the remaining length of needle
thread]
Adjust the length of thread remaining at the nee-
dle by turning thread tension control nut No.
② .
1) Turn thread tension No. 1 nut ② clockwise
(in direction A ), to shorten the thread length
remaining on the needle after thread trim-
ming or counterclockwise (in direction
B
), to
lengthen the thread length.
So-called "bird's nest phenomenon" is reduced by shortening the length of needle thread
remaining at the needle. In this case, however, the needle thread is likely to slip off the
needle eyelet. To reduce slip-off of the needle thread, sewing speed at the beginning of
sewing should be reduced.
[Memory switch]
• U286 Thread clamp sewing speed: Decrease (the factory-set value: 250 sti/min)
• U293 Thread clamp sewing speed reset angle: Retard (the factory-set value: 460 °
3) Press ❸ or ❹ .
(
❹
will be placed in ON.)
4) Press ❺ to confirm the setting.
The "sewing data edit screen" is dis-
played.
<Thread clamp setting screen>
No. Item Setting range Unit
U286
Thread clamp sewing speed:
This memory switch is used to set the sewing speed when operating
the thread clamp.
100 to 3000 sti/min
U293
Thread clamp sewing speed reset angle:
This memory switch is used to set the angle at which the thread clamp
sewing speed is reset.
* This set angle is in effect when the thread clamp operates.
0 to 720 Degree
B A
❺ ❹ ❸