-52-
21.
BH LEFT NEEDLE DESCENT AND ZIGZAG MAXIMUM LEFT NEEDLE
DESCENT ALIGNMENT
STANDARD
The difference between the BH left needle descent and the Zigzag maximum left needle descent must be 0.7 -
0.9 mm.
ADJUSTMENT
1.
Move the feed drop slide to the right to put the feed dog in the down position. Lay paper under the presser
foot.
2.
Turn the selection dial to zigzag sewing and turn the Zigzag dial to the maximum.
3.
Turn the balance wheel to lower the tip of the needle to the paper with left needle descent.
4.
Turn the selection dial to button hole.
5.
Turn the balance wheel and lower the tip of the needle to the paper with left needle descent.
6.
Loosen the adjustment screw nut.
7.
Turn the adjustment screw to adjust the needle descent.
8.
Tighten the adjustment nut.
Adjustment Points
7.
When you turn the adjustment screw to the right, the needle descent moves to the right side.
8.
When fastening the adjustment screw with the nut, in order to maintain the position and prevent deviation,
hold the adjustment screw with the screwdriver while you tighten down the nut.
(BL6300)
(BL6800)
0.7-0.9 mm
