
10
Adjustment
Fig. 1 - 06
●
Rotate lifting crank
1
( screws
2
) and excenter sleeve
3
(screws
4
) in accordance with
rule
1
.
Align the transporter in the needle plate recess at the same time in accordance with
rule
2
.
The height of the bottom feed dog can also be increased or reduced as required
by moving crank
5
(nut
6
) up or down.
0,5 mm
1
2
3
4
127-091
6
5
1
.05.06
Height of the bottom feed dog
Requirement
1. When the needle bar is positioned at b.d.c. (balance wheel position
180
°), the bottom feed
dog should be positioned
0
.
5
mm
horizontally above the top edge of the needle plate,
when crank
6
is in the centre of the slot.
2. In the direction of sewing, the bottom feed dog should be positioned in the centre of
the needle plate slot.