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4
Height of the bottom feed dog
.05.05
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. The bottom feed dog should be positioned in the centre of the needle plate slot.
Fig. 4 - 05
● Turn lifting crank 1 (screws 2) in accordance with requirement 1.
● Adjust eccentric sleeve 3 and feed bar 5 (screws 4) in accordance with requirement 2
1
2
5
3
The height of the bottom feed dog can be increased or reduced by moving
crank 6 (nut 7) up or down.
Adjustment
2
6
127-091
4
4
7
81
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