Adjustment
Adjustment
9.04.06
ghPïðñá
Bobbin thread retaining spring
9.04.06
ghPïðñá
Bobbin thread retaining spring
Cî
1.
ghPïðáBìPb P8QöKy。
3
2.
ghPïðáoBQf ，¤åP|7DghPBQöK@ïðX
Cî
1.
ghPïðáBìPb P8QöKy。
3
2.
ghPïðáoBQf ，¤åP|7DghPBQöK@ïðX
Requiement
1. the bobbin thread clamp spring should be guided reliably in the thread groove of the thread
catcher .
3
2. the tension of the bobbin thread spring clamp should be as low as possible, but the bobbin
thread should be reliably after the cutting operation.
Requiement
1. the bobbin thread clamp spring should be guided reliably in the thread groove of the thread
catcher .
3
2. the tension of the bobbin thread spring clamp should be as low as possible, but the bobbin
thread should be reliably after the cutting operation.
● [«Ô cCîg
1
hPïðá （äå ）。
1
2
● [«Ô cCî，"°
2
qghPïðá O
1
x i¾o。
4
Adjust bobbin thread
●
clamp spring
(screw )
1
2
in accordance with
.
Requirement 1
Adjust the tension in
●
accordance with
by
Requirement 2
bending side
of the
4
bobbin thread clamp
spring .
1
● [«Ô cCîg
1
hPïðá （äå ）。
1
2
● [«Ô cCî，"°
2
qghPïðá O
1
x i¾o。
4
Adjust bobbin thread
●
clamp spring
(screw )
1
2
in accordance with
.
Requirement 1
Adjust the tension in
●
accordance with
by
Requirement 2
bending side
of the
4
bobbin thread clamp
spring .
1
[Ô cCî
1
● b¡àPta。
● |ìPb ÒOÍ67w，¡[Ô cC。â`!Ài`Ò。
3
1
Control requirement
1
Switch off the machine and bring the take-up lever to its bottom dead centre.
●
Engage and disengage the thread cather
by hand and check
●
3
. Adjust if necessary.
Requirement 1
2
[Ô cCî
● åPD，"°|nËPd，§¨Ô ËOÔ ËPdÚÛoøghP
1
3
@Æïðá×，â`!ÀÒðëáo。
С
requirement 2
ontrol
●
After the thread has been cut, sew a few stitches by turning the balance
wheel, checking whether the bobbin thread is drawn out of the bobbin
thread clamp spring between the
and
stitched, if necessary, correct
1
3
st
rd
the tension.
[Ô cCî
1
● b¡àPta。
● |ìPb ÒOÍ67w，¡[Ô cC。â`!Ài`Ò。
3
1
Control requirement
1
Switch off the machine and bring the take-up lever to its bottom dead centre.
●
Engage and disengage the thread cather
by hand and check
●
3
. Adjust if necessary.
Requirement 1
2
[Ô cCî
● åPD，"°|nËPd，§¨Ô ËOÔ ËPdÚÛoøghP
1
3
@Æïðá×，â`!ÀÒðëáo。
С
requirement 2
ontrol
●
After the thread has been cut, sew a few stitches by turning the balance
wheel, checking whether the bobbin thread is drawn out of the bobbin
thread clamp spring between the
and
stitched, if necessary, correct
1
3
st
rd
the tension.
1
2
3
1
4
9-37
