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Jack JK-T718E - Page 29

Jack JK-T718E
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23
20:
线张力
THREAD
TENSION
直锁
H
的线张力
1
m
壳张力螺
@
把底线张力调节为
0
.
15~
0
.
2N
左1:
1
2
、调整第
线张力器
@
缝制tU漂亮的锯齿边
缝那样的缝迹
果背而线头露
出的
话,请
调紧第
线张力器
3
、对
于平行
A
的锯齿
J~
状,请用第
工线张力
@
调节
锯齿边缝
的线张力
1
用张力螺丝
@
把底线
张力调节
O
.
ω0.5
N
2
、更换第
线张力器
@
和第
线张力器
@
的调节弹簧
(第
线张力器要稍弱
些)
3
、用
线张力器
@
行调节,不让缝
j
f
后脱线
4
、用
线张力器
@
调节平行部、加罔缝部的缝迹
Adj
u
sting
the
thread
te ns io n fo r
purl
st
i
tc
h:
1.
Adjust the bobbin thread tension to approx.
15
to 20g by adjusting screw O
of
the bobbin case.
2. Adjust tension controller No. 18 for proper needle thread tension so that the bar-tack part is formed by
well-shaped whip stitches
If
the tension is too low bar tacking seam may form thread knots on the rear face
offabric.
3. Adjust tension contro
l1
er
No. 2 8 for proper tension
of
the p
a1
1arel sideseams
by
judging from the stitch
formation .
Adj
u
sting
the
th
read te
ns
io
n fo r whip
stitch:
1.
Adjust the bobbin thread tension to approx 40 to 50g by adjusting screw 0
of
the bobbin case.
2.
Exchange the adju
st
ing springs
of
tension controllers NO.l 8 and No.28 each other (the tension contro
ll
er
NO.2
wiH
have a weak spring).
3. Adjust tension contro
l1
er
No.2 8 to prevent ravelling off at the end
of
a seam.
4.
The stitches
of
the parallel sides or bar-tack can be adjusted by tension controller No. 18 .
拉线弹簧(直锁缝)
把拉线弹簧
@
的拍;线
调节成
8
-
IOmm
把始动时的张力强
度调节为
O
.l
---O
.
2N
变更拉线弹策的动作范围时,请拧松螺丝
8
把细蝶
刀插到线张力柯
:
8
的切缝处转
动调节
变更拉线弹策
的强
,请在螺丝
@
拧紧的状
态下,把细螺丝刀插到线张力杆
@
的切缝处转
动调节
向右转动拉线弹簧和强度变大,向左
转动变弱

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