SINGER 14T967DC-WORKBOOK QUANTUMLOCK - Manual (Page 24)

10. Thread the looper eye (A) from front to back. Pull about 4 inches of thread.
Position thread into V cutout (B) on threader. Firmly hold thread tail with left
hand and pull Threader lever (C) up into place (D).
Thread Right Overedge needle with regular thread.
1. Raise the Presser Foot to release the tension discs. Thread the right
needle as illustrated 1-9.
2. Pass thread from back to the front
through the thread guide .
Two-Thread Wrapped Edge Overlock (narrow) page 8
Threader Lever
“V” cutout