Brother Z-8550A Manuale Proprietario

5. MECHANICAL DESCRIPTIONS 

 

Z-8550A, 8560A

 

38

 
 
 
 
 
 

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