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Disassembly Procedure
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Thread Tension Assembly
1. Remove the holding screw (screw, pan M 3
×
4) to remove the notch spring.
2. Set the thread tension dial to 9 and remove the thread tension dial shaft.
3. Remove the thread loosening plate.
4. Remove the thread tension adjusting screw from the thread loosening plate.
5. Remove the following items in the following order: the spring, the washer, the tension spring receptacle, the
thread tension stud, the washer, the thread tension disc B, and the thread tension disc A.
6. Remove the one screw (screws pan (S/P washer) M 3
×
18DA) and remove the thread take-up spring case
and the thread take-up spring.
9
8
2
5
5
5
5
5
5
3
4
2
1
6
1
2
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