Buttonholer Pendulum Timing (1-Step Buttonholer) - Singer Inspiration 4228 Service Manual

Setting

Buttonholer pendulum timing (1-step buttonholer)

Check
1. Set the machine on Buttonhole.
2. Mount the button hole foot.
3. Place a piece of paper on the needle plate and
lower the presser foot.
4. Turn handwheel to sew the buttonhole lower bar
tack.
5. The needle must perform three equidistant stit-
ches and lateral displacement of the needle takes
place above and out of the paper.
Adjustment
1. Set the machine on Buttonhole.
2. Mount the button hole foot.
3. Place a piece of paper on the needle plate and lower the presser foot.
4. Turn handwheel to sew the buttonhole lower bar tack.
5. Loose the screw (a) and turn the eccentric bushing (b)
upwards or downwards to reach the correct balancing
point.
6. Tighten securely the screw (a)
7. Check that The needle performs three equidistant stit-
ches and lateral displacement of the needle takes place
above and out of the paper.
30 Singer Inspiration