Upper Thread Retainer - SunStar SC 7900-Series User Manual

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

Hide thumbs Also See for SC 7900-Series:

Table of Contents

Adjust the needle bar

Tighten the needle bar clamp screw

5) UPPER THREAD RETAINER

(1) Upper thread retainer standard position

Set the upper thread retainer to the first and second needle behind on the left when the upper thread retainer

the needle. (Refer to the Figure 50)

Set the upper thread retainer like above by loosening the upper thread retainer clamp screw . Then set according to the fixation

by tightening the upper thread retainer clamp screw .

(2) Upper thread holder standard position

When the upper thread holder

retainer needle

to 0.5mm.

Set the upper thread retainer like above by loosening the upper thread retainer clamp screw . Then set according to the fixation

by tightening the upper thread retainer clamp screw .

like the above.

firmly and close the rubber cap .

is at the closest to the upper thread retainer , set the distance between them to 0.4~0.7mm.

is at the end of the right direction, set the distance between the upper thread holder

is at the closest to

and the

Table of Contents