Duerkopp Adler 558 Operating Instructions Manual page 27

Path of the underthread when using yarn or wool cones:
If yarn or wool cones are used as hook thread then these are to be set on the as
optional equipment available thread unreeler 1 (Order no. 558 3001) underneath the
table.
–
Lead the thread through the thread guides under the table.
–
Lead the thread up through the thread tube.
–
The threading of the machine above the table is conducted as described above.
1
29