Adjustment
13 - 23
13.05.20 Distance of the looper from the needle (in sewing direction)
Requirement
In the sewing direction the distance of the looper point from the needle should be approx.
0.1 mm.
Fig. 13 - 20
0,1 mm
2
1
2
3
● Turn the balance wheel until the looper point coming from the right has reached the left
side of the needle.
● Align looper unit 1 (screws 2) in accordance with the requirement.
If it is not possible to achieve the distance of 0.1 mm, a correction can be made
on the eccentric bearing pin 3.
After this adjustment the looper height and looper angle must be checked, see
Chapter 13.05.18 and 13.05.19 Looper height and Looper angle.
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