– 6 –
9.THREAD THE MACHINE HEAD
11.FORWARD/REVERSE SEAM RATIO
(For the DSC-245-7,DSC-245V-7)
Thread the machine head in the order of
❶
through to
.
(Caution)
Be sure to pass the thread through the left-hand side of
the screw at point
.
(For the DSC-245,DSC-245V)
Thread the machine head in the order of
❶
through to
.
1. Turn stitch length dial
❶
counterclockwise or clock-
wise to bring the desired value at the top.
● How to engage the reverse feed stitching
1. Push feed lever
❷
down.
2. The machine performs reverse feed stitching as long
as the lever is held depressed.
3. The moment you release the lever,the machine re-
sumes the normal stitching mode.
The seam ratio of forward stitch and reverse stitch is
adjusted to be 1:1,but sometimes it shifts according to
the sewing condition.
In order to adjust it to 1:1.
1.
Loosen four feed regulating stud metal setscrews
❶
.
2. When increasing the forward stitch pitch,turn the
slotted portion
❸
of eccentric bushing
❷
clockwise
in the direction
A
by the screwdriver.
3.
When decreasing the forward stitch pitch,turn eccen-
tric bushing
❷
counterclockwise in the direction
B
.
4.
After adjustment,tighten four setscrews
❶
.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
10.ADJUSTING THE STITCH LENGTH
– 7 –
12.THREAD TENSION
13.THREAD TAKE-UP SPRING
14.PRESSURES OF THE PRESSER FOOT AND WALKING FOOT
● Adjusting the needle thread tension
Turning tension nut
❶
clockwise (toward
A
) increases
the needle thread tension. Turning it counterclockwise
(toward
B
) decreases the tension.
● Adjusting the bobbin thread tension
Turning tension screw
❷
clockwise (toward
C
) increas-
es the bobbin thread tension. Turning it counterclock-
wise (toward
D
) decreases the tension.
1. Standard stroke
❷
of thread take-up spring
❶
is 8 to
10 mm. To adjust the stroke, loosen setscrew
❸
,and
turn whole thread controller
❹
.
2. The standard spring tension is 40 to 50 g.
3.
To adjust the tension,turn the thread tension post
❺
,us-
ing a screwdriver.
The pressure of walking foot (height of adjustment
screw
A :
Standard 26 mm) or the presser foot (height
of the adjustment screw
B
Standard 10 mm) can be
adjusted in accordance with the type of sewing product
to be used.
(Caution)
It is advisable to minimize the pressures of both
feet.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
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