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No.
!~~
m=m:&~~
Problem
Exam and Adjustment
5.
IIIT~t
A
)!~CAUTION
Needle broken
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IJX~U11A~fB~!
o
In order to prevent the broken needle sticking in the
material and stab people so please search for broken
needle until the whole of the needle is found.
6.
**
WJi
1'
~JB~U
1.m~t:;tfttffm~t~Ji~~JX:;t:A
•
f~IR~2.rs~ffi:g:
Uneven stitch
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The lower needle cause the big thread loop and
make the thread loop intertwist together.
©~~~mWi'AErum~t~M
o
Reset the needle height by following the standard.
2.~t~.&~gijg~:;t~. 1fm~t~@~~~f1=Hifff.i~m
~~1'~~~u
0
The needle plate tongue is too narrow which make
the needle come close easily and have uneven
stitch.
©~~Wf~t~
0
Replace with the new needle plate.
3.m~tw~~tlcS1'~
o
The needle and looper didn't cooperate well.
©~~~~~m~tw~~tlcS1Tiim
o
Adjust the needle and looper position by following
the standard.
7.
Ki**1'ItZ~
1-~~~)J~/j\?
Uneven Seam
The presser foot pressure is too weak?
©~~~~~JJo
Adjust the presser foot pressure.
2
-~~~~~ftt
0
The feed dog teeth is too low.
©~~~~~~F=j)j!o
Adjust the feed dog teeth height.
8.
;fiffi~~~
l.~!J.]~ffitt$1'=
0
The fabric is puckering
The improper differential fabric feeding ratio.
©~=~~~!J.J~ffitt$
0
Adjust the differential fabric feeding ratio properly.
2
-~~~~~fttM~lliim1'=
o
The improper position of feed dog teeth.
©~~~~~~~~~~ftt
0
According to the standard to adjust the feed dog
teeth height.
3.~1R~:t.J~:A
0
The stitch tension is too strong.
©~=~~~IR~:i.Jo
Adjust the stitch tension properly.
-41-
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