Singer S0100 - Height of Lower Looper

10 S0100 / S0105 104 73 97-26
3. Height of lower looper
Check
The distance (A) between the centre of the looper shaft and tip of the looper
should be 66.3 mm
Adjustment
1. Turn the handwheel so the lower looper comes to its most right position.
2. Loosen up the lower looper screw (B).
3. Move the looper (C) up or down until the distance between the centre of the looper shaft
and tip of the looper is 66,3 mm.
4. Tighten the screw (B).
5. Check " Timing of lower looper and needle"
A
B
C