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Brother Z-8550A Manuale Proprietario

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5. MECHANICAL DESCRIPTIONS 
 
Z-8550A, 8560A 
37 
5-5. Feed mechanism 
 
[Forward/back movement] 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1.  Lower shaft 
 
 
7. Feed rocker bracket arm 
2.  Level feed eccentric wheel   
8. Feed bar 
3.  Feed driving connecting rod 
9. Feed dog (forward/back movement) 
4.  Side connecting rod 
 
 
5.  Feed rocker arm 
 
 
6.  Feed rocker shaft 
 
(1) Feed regulator
 
 
 
[Up/down movement] 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1. Lower shaft  
2.  Lower shaft tip (eccentricity) 
3.  Feed lifting link 
4. Feed bar 
5.  Feed dog (up/down movement)
 
 
1114B
1115B