5. MECHANICAL DESCRIPTIONS
Z-8550A, 8560A
38
<Dial feed mechanism>
1. Stitch length dial 5
2. Feed regulator
3. Connecting rod U
4. Feed adjusting lever U
5. Connecting rod D
6. Feed adjusting lever D
7. Feed regulator shaft
8. Feed connecting lever
9. Feed regulator connecting rod
10. Feed regulator lever
11. Feed regulator
12 Feed regulator spring
Adjusting the stitch length dial changes the angle of the
feed regulator.
(1) Feed regulator
(2) Side connecting rod
(3) Feed driving connecting rod
(4) Feed rocker arm
Changing the angle of the feed regulator causes the amount
of horizontal feed movement to change.
(Continued on next page)
1116B
0084B
Summary of Contents for Z-8550A
Page 102: ...11 ELECTRICAL MECHANISM Z 8550A 8560A 93 Power supply P C board 0165B ...
Page 105: ...11 ELECTRICAL MECHANISM Z 8550A 8560A 96 0304B ...
Page 110: ...11 ELECTRICAL MECHANISM Z 8550A 8560A 101 11 6 Wiring diagrams 0124B ...
Page 111: ...11 ELECTRICAL MECHANISM Z 8550A 8560A 102 0125B ...
Page 127: ...Z 8550A 8560A MEMO 118 ...
Page 128: ...SERVICE MANUAL Z 8550A 8560A I5120896B 2006 12 B 1 Printed in Japan ...