*
Adjusting
the
thread
take-up
spring
(for
purl
stitch)
The
suitable range
of
the stroke
of
thread take-up spring 0 is from 6 to
8mm
with a starting tensi
on
of
20 to
50g.
For adjusting the stroke
of
the thread take-up spring
,l
oose screw 8 and insert a thin screwdriver into the slit
of
tension
post8to
turn the tension
po
s
t.
To adjust the tension
of
the thread take-up spring insert a thin screwdriver into the slit
of
tension pos
t8to
turn
it
, with screw 8 tightened.
The
tension
of
the thread take-up spring increases when the tension post is turned
clockwise
, and decrease when turned counterclockwise.
21:
缝边长度(送布量)的调节
ADJUSTING
THE
OVEREDGING
LENGTH
(BUTTONHOLE
LENGTH)
/
斗
不
X
。
1. Pull
out
co
ver 0 , and raise cover 8 .
l
、拉出外
罩 0
,就可以抬起外
罩
@
。
2
、用附属的扳手拧松蝶母
8
,
把指
引
@
对(fË
送布曲柄
@
上希
望
的刻度(与切布刀宽度相
同的尺寸)
,
然后拧紧螺母
@
。
请不要把螺
母
@ 拧
下
来
。
3
、进
行试验缝
制
,微调整让切
刀不切加
固缝部
。
食
压脚的更换
请使用接
近钮扣眼长
度的压
脚
步 @
。
拧松压脚固定螺
fì
,就可以更
换
压脚
。
2.
Loosen nut 8
by
出
e
spanner supplied with the machine. Set point Ð to a
de
sired length on sca
le
(this
l
e n
g
由
is the same with the knife
wid
由),
and then retithten nut 0 .
3. Through your trial sewing,
adjust
由
e
overeding
leng
出
accu
rately to the extent that the bar tacking seams
are not cut by the
kniie.
食
Changing
the
work
clamp
check
Use work clamp check
0h
avi
ng
the size nearly the same as that
of
a buttonhole length.
By
removing
se
tscrew
fì
, a work clamp checks can be changed
toge
由
er
with a work clarnp ch
eck
holder as
a se
t.
22:
锁眼宽度以及缝锁基准位置的调节
ADJUSTING
THE
OVEREDING
WIDTH
AND
OVEREDGING
REFERENCE
POSITION
机针的摆动以机针摆动的右侧为
基
准
。
调整
时
请按照以下要领进行
。
l
、
摆动宽度
0
,移动螺丝
@把
指针
@
对准
刻度板
@
上希
望
的刻度
。
实际的摆动宽度
是
刻度的1/
2
的
量
(单位
:
mm)
。
2
、加固缝宽度
@)
,移动螺丝
@把
指针
@
对
准刻度板的指针
@
指
示
的刻度,设定为摆
动宽度的
2
倍
。
3
、
右基线
@的
位
置
,移动螺丝
(3
,
设定到切