Brother Z-8550A Manuale Proprietario

7. ASSEMBLY 

 

Z-8550A, 8560A

 

58

 

1.  Needle bar base 

 

 

 

  8. Wick 

(With needle bar base guide pin inserted) 

               (Pull in oil tank.) 

2.  Needle bar base guide R  

 

 

  9. Wick (ring) 

3.  Set screw 

 

 

 

 

      (Pass the shaft through the ring.) 

4.  Needle bar base guide pin 

 

 

10. Zigzag joint (Pass the shaft through.) 

5.  Set screw 

 

 

 

 

11. Bolt (Temporarily tighten) 

6.  Pulse motor assembly 

 

 

 

12. Screw 

7. 

Bolts 

[3 

pcs] 

    13. 

Screw 

 
 

 
 
 
 

 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

14.  Knee lifter bar 
15. Screw 
 

 

Pass the harness of 
the pulse motor 
encoder detection 
unit through. 

After carrying out the assembly operations 
in “7-5. Needle bar mechanism”, tighten 
while carrying out the adjustments in “9-12. 
Needle zigzag sideways position”.Then 
carry out the adjustments in “9-11. Needle 
zigzag forward/back position”. 

If there is a lot of looseness in the wick
(ring) after installing, pull only the wick
shown in the illustration through the oil tube
to adjust. 

0123B 

0122B

After pushing in needle bar base guide R, check that
there is no play between the needle bar base guide pin
and needle bar base guides R and F, and also that the
needle moves smoothly when it zigzags.