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5. MECHANICAL DESCRIPTIONS
Z-8550A, 8560A
39
<Backtacking mechanism>
Adjusting the condense dial changes the angle
of the feed regulator when the reverse stitching
lever is pushed down. When the condense dial
is aligned with the - side scale, the angle of the
feed regulator increases and feed is reversed.
1. Reverse stitching lever
2. Lever guide
3. Reverse lever shaft
4. Feed adjusting lever U <4> Condense regulator
5. Connecting rod D (Touching tip of screw)
6. Feed adjusting lever D <5> Feed regulating stud tip
7. Feed regulator shaft
8. Feed connecting lever (1) Condense dial 5
9. Feed regulator connecting rod
10. Feed regulator lever
11. Feed regulator
(1) Feed regulator shaft
0083B
<8550A-A31, 8560A>
1117B