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Application of Disassembly
Needle threading mechanism
Application
Application
2 Disassembly of Thread guard assy
îš„ Type A
1. Remove the screw 1, and then remove the notched spring 1 from the
thread tension holder assy 2.
2. Remove the tension dial shaft 3, and then remove the thread tension dial
4 and the thread tension nut 5 from the shaft of the thread tension holder
assy 2.
*Key point
• Turn the thread tension dial 4 until see the tension dial shaft
3 by feeding the thread tension nut 5 to the left side.
3. Remove the thread tension adjusting screw 6 from the thread tension nut
5.
4. Remove the spring , the spring holder 7, the tension release plate 8,
the tension plate 9 and the tension disc A 0 from the shaft of the thread
tension holder assy 2.
<In case of Type B, refer to next page.>
S07
3
4
8
2
9
7
6
5
0
35 116
4 2
S07
S07