Brother LK3-B448E Sewing Machine User Manual


 
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10. Adjustment
LK3-B448E MARKII/BA-16
10-14. Adjusting the vibrating bowl
The vibrating bowl arranges all of the buttons face up and feeds the buttons to the shooter.
Be sure to readjust the vibrating bowl whenever the buttons are changed.
If buttons are not fed properly, check the following.
1. Loosen screw w and adjust the gap between the bottom of arm B q and the vibrating bowl so that two buttons can
pass.
2. Loosen screw r and adjust the gap between the bottom of arm C e and the vibrating bowl so that one button
can pass.
In addition, the arms should topple any standing buttons to assure a smoother flow.
3. Loosen screw y and adjust the gap between the bottom of arm A t and the vibrating bowl so that one button
can pass.
4. Loosen bolt i and move selector plate u in or out so that the buttons are aligned face up.
5. Loosen screw !0 and adjust the gap between the bottom of height control arm o and the top of the buttons to
approximately 0.7 mm.
6. Loosen screw r and adjust the button to button width adjustment arm !1 gap to approximately 2 mm so that the
buttons are fed to the shooter.
7. If buttons become clogged at the entrance to the shooter, loosen screw !2 and turn it so that buttons do not clog at
the shooter entrance.
Gap for double row of buttons