Brother Z-8550A Manual Do Proprietário
7. ASSEMBLY
Z-8550A, 8560A
58
7-4. Zigzag mechanism
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
15. Screw
Pass the harness of
the pulse motor
encoder detection
unit through.
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”.
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.
(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.
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.