Feed Dog Height Setting - SunStar SC 7900-Series User Manual

Speed overlock direct drive, 4-needle flat seamer feed off the amp type

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8) FEED DOG HEIGHT SETTING

Differential feed dog

(1) Standard height of the feed dog

Loosen the main feed dog clamp screw . When the feed

dog height is on the top, adjust the part A of the main feed

dog

at the needle plate to the 1.2~1.5mm. Then fix it by

tightening the main feed dog clamp screw . Fix the

differential feed dog

dog clamp screw

after loosening the differential feed dog

clamp screw

and adjusting the height of the main feed dog

and feed dog horizontally. (Refer to the Figure 60, 61)

(2) Fine tuning of the feed dog

After fine tuning the feed dog height with the feed bar

eccentric pin

by loosening the feed bar eccentric pin

clamp screw

which is at the center of the bed, fix it by

tightening the feed bar eccentric pin clamp screw .

(Refer to the Figure 62)

and the main feed dog

is set to be adjusted independently.

by tightening the differential feed

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