Horizontal Feed Timing Against Chainstitch Needle - ELNA 745 Service Manual

HORIZONTAL FEED TIMING AGAINST CHAINSTITCH NEEDLE

15a
L0
L0
1
A2
Fig.1
2
A2
B
3
A1
Fig.2
B
A1
A2
2mm
a
A2
3
+0.3mm
-0.3mm
Fig.3
A1
Fig.4