Brother Z-8550A Manuale Proprietario

 

 

Z-8550A, 8560A 

74

Adjust so that the following are obtained. 
• The needle is in the center of the needle hole in the 

forward/back direction. 

•  There is no play in the needle bar in the forward/back 

direction. 

•  When the power switch is turned off, the needle bar can 

be moved smoothly sideways by hand. 

 

*  Carry out adjustment with the sewing machine set to the 

following conditions. 
•  With the needle bar base assembly (1) and the zigzag 

joint (2) not secured. 

•  With the screw (5) and nut (6) loosened so that the 

needle bar base presser pin (3) is further in than needle 
bar base guide R (4) as shown in the illustration. 

•  With the bolt (7) loosened. 

 

 

 
 
 
 
 
 

 

1. Remove the presser foot. (Keep it removed while 

adjustment is being carried out.) 

2. Loosen the two set screws (hexagonal hole, 2.5 mm 

width across flats) (8) and then push needle bar base 
guide R (4) to adjust the position. 
Turn the machine pulley and check that the needle drops 
into the center of the needle hole. 

3.  Securely tighten the set screw (8). 

 

*  After adjusting, check that there is no forward/back play in 

the needle bar, and also check that the needle bar can be 
smoothly moved sideways by hand when the power 
switch is turned off. 

*  After adjusting, carry out the adjustment in “9-12. Needle 

zigzag sideways position”.   

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

1148B

0148B

1147B

1149B