3 - 7
Adjustment
In
s
p
ect
ion and
Ad
ju
s
tme
n
t
7. Adjustment of the BH Left Over Edging (Zero Feed Adjustment)
• BH left over edging shall provide 35 to 45 stitches for every 20 mm feed.
1
Attach a J presser foot, lower the presser lever, and attach a cover.
2
Turn the selection dial to select the BH left over edging (BH b).
3
Insert a piece of paper under the BH presser foot.
4
Turn the pulley to pierce the paper with the needle and take a measurement for verification.
5
Loosen the screw (Screw, pan (S/P washer) M 3
×
8) within the selection dial to adjust. (Left center screw)
6
Tighten the screw (Screw, pan (S/P washer) M 3
×
8) within the selection dial.
7
Turn the pulley to verify that the stitches are within criteria.
20mm
40 ± 5 Needle
www.promelectroavtomat.ru