7
6. Loosen screw for needle bar boss and set needle bar
position with the following condition, then tighten screw
again ;
-
Borer blade locates front of needle bar
-
Height of needle bar is same as other needle bar
7. Take out Set screws on Needle bar boss check plate
which locates behind of Moving head. This is for setting
Borer plate in next operation.
8. Set Borer plate and fix by Set screws which were taken in
previous operation. Keep pressing Borer plate to the arrow
direction in below photo and temporary fix by set screws.
9. Move 15
th
needle bar up and down by hand 2-3 times,
then tighten set screws.
10. Press down Needle bar and confirm that needle bar
cannot be turned to the left and right.
Blade locates front of Needle bar
Same level as other
Needle bar
Borer plate
Set screw