Brother Z-8550A Manuale Proprietario

 

 

Z-8550A, 8560A 

82

The knife unit (1) should already be installed in the correct 
way when the following adjustments are carried out. 

1.  Tilt back the machine head. 
2.  Loosen the two screws (2). 
3. Move the stopper (4) to adjust so that the edge of the 

movable knife (3) is aligned with the edge of the knife unit 
(1). 

4.  Securely tighten the two screws (2). 
5.  Loosen the two set screws (5) and the two set screws (6). 
6.  While pushing the thread trimming driving rod (7) by hand, 

adjust the horizontal position of the thread trimming cam 
(10) so that the roller (9) of the main lever (8) moves 
smoothly in and out of the unbevelled straight section (A) 
of the groove in the thread trimming cam (10). 

7.  Provisionally tighten the two set screws (5). 
8. Place the set screw collar (11) firmly against the thread 

trimming cam (10), and then securely tighten the two set 
screws (6). 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1.  While still pushing thread trimming driving rod (7) by hand, 

turn the machine pulley slowly by hand toward you until 
the reference line on the thread take-up lever (12) is 
aligned with the T mark on the face plate. Adjust the 
position of the thread trimming cam (10) so that the knife 
begins to move at this point. 

2.  Securely tighten the two set screws (5). 
3. While still pushing the thread trimming driving rod (7) by 

hand, turn the machine pulley slowly by hand toward you 
until the reference line on the thread take-up lever (12) is 
aligned with the T mark on the face plate. Check that the 
knife begins to move at this point. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1182B

1166B

1183B

1157B

3809M

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