3 - 3
Thread tension mechanism
Main unit
Assembly
1
Tension disk attachment
1. Attach the spring cover shaft 1, thread tension shaft 2 and thread tension
holder assy.
2. Attach the thread tension adjusting screw 4 to the tension control nut 3.
*Key point
• After assembling and attaching the thread tension
mechanism, perform 4 - 13 "Upper thread tension
adjustment."
3. Attach tension disc A 5, tension disk B 6, washer 6, thread release plate
A 8, the tension disc washer 9, washer 7, thread tension spring 0 and
tension control nut assy. A to the thread tension shaft 2.
Start movie clip (CD-ROM version only)
Spring cover shaft
Torque
0.57 - 0.78 N-m
21
34
07 9 8 7
A
65 2
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