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No.
!~~
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Problem
Exam and Adjustment
5.
IJT~t
7.
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,
~ffi1'N
o
Needle broken
The presser foot pressure is small or the fabric
feeding is improper.
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•
~~ffi
IE;% o
Increase the presser foot pressure to adjust the
fabric feeding properly.
a.
~~t~m~tffi~:ll!
o
The looper contact the needle.
©}3l:~~~~~~t~m~tw~
o
Adjust the position of needle and looper according
to the standard.
9.
_t~~t~m~tffiti~
o
The up looper contact the needle.
©}3l:~~~~_t~~t~m~tru~
0
Adjust the position of the upper looper and needle
according to the standard.
1
o.m~t~~~t J=1~c-81'~
o
The needle and needle guard plate didn't
cooperate well.
©}3l:~~~~m~t~~~t 1=1w~
0
Adjust the position of the needle and needle guard
plate according to the standard.
11.~~t~$iH
0
The looper tip is blunt.
©~~~~t
0
Replace the looper.
12.~H~~~H~Efc:iiH~~7\:
•
f~M~t~~H~E~c-8
~il.Jo
The needle lever and needle lever sleeve is worn
out so the needle and needle sleeve become loose.
©
~ ~ ~H~
9. J G
~H~
E Fc:i o
Replace the needle rod or needle rod sleeve.
13.~t;f&_t~~t~:tJJ\
0
The needle hole on the needle plate is too small.
©~~/j\5m§[~t9.JG~~~~t~~7\:~tif&
0
Replace the smaller needle or the needle plate with
bigger needle hole.
14.~f~~il.J~7\:
0
The parts is over-loosing.
©~•3~mz~~s~e~~~·}3l:~~~~~
SRn·~~-~Hm~~-6~~
0
Check cooperation and wear condition among the
mechanism and adjust the size according to the
standard. Replace the part which is worn out
seriously.
-40-
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