– 11 –
❷
❶
4-6. Adjusting the thread tension
If thread tension controller No. 1
❶
is turned
clockwise, the length of remaining thread on the
needle after thread trimming will be shorter. If it is
turned counterclockwise, the length will be longer.
Shorten the length to an extent that the thread is
not slipped off.
Adjust needle thread tension from the operation
panel and bobbin thread tension with
❷
.
Longer
Shorter
[Adjusting the needle thread tension]
1) Select THREAD TENSION button
A
in the sewing screen.
2) Set needle thread tension
with SCROLL
button
B
. There is a setting range of 0
to 200. When the set value is increased,
the tension becomes higher.
* When the set value is 50 at the time of
standard delivery, the thread tension is
adjusted to 2.35N (spun thread #50).
(When thread tension No. 1 is released)
4-7. Intermediate presser height
Press INTERMEDIATE PRESSER SET-
TING button
A
and adjust with TEN keys
B
so that the clearance between the
bottom end of intermediate presser and the
cloth is 0.5 mm (thickness of thread used).
1. Setting range of the intermediate presser is up to the standard of 3.5 mm.
However, the setting range can be changed up to max. 7 mm with memory switch U112.
2. When increasing the height of intermediate presser or making the needle size thicker, con-
firm the clearance between the wiper and the components. Wiper cannot be used unless
the clearance is secured. Turn OFF the wiper switch. Besides, note that the wiper is set so
as to sweep at the position where the intermediate presser is in the lowest position in spite
of the setting of intermediate presser height at the time of delivery. (Memory switch U105)
When raising the intermediate presser height, turn the pulley by hand to lower the needle bar,
and confirm that the needle bar does not interfere with the intermediate presser.
0.5 mm
B
A
B
A
B
