for feed
Origin point positioning for feed is that the motor pinion with cam touches with the
stopper pin and the motor pinion turns from the position above at a designated angle
in reverse direction, while feed regulator gear turns for the feed regulator to stop at the
the angle of feed "0". (This adjustment has been made at the factory and is not
needed for local maintenance/repair.)
Fine adjustment of feed amount: Adjustment is to be made by turning the screw on the
motor bracket support plate below the feed generating unit as shown on the next
page.
It is recommended to adjust feed pitch with stretch stitch patterns such as pattern #17.
Note: Feed pitch for all stitch patterns can be adjusted with the screw A only.
It is desirable to adjust feed pitch with most needed stitch pattern.
Switch
pinion
Stopper pin
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