SINGER 14T968DC - Manual (Page 103)

Three-Thread Ultra-Stretch Mock Safety Stitch page 6
Engage Spreader. The Upper Looper has a hole for the thread on the top of the
looper. If the stitch requires that the looper be engaged, but not threaded then the
Spreader is used. The Spreader simply plugs-in (or closes) the looper’s hole. The
Spreader is disengaged when the Upper Looper is engaged/operative and threaded.
The Spreader is used with a stitch that requires only one looper thread. With
the help of the Spreader the single looper thread wraps around the fabric’s edge.
1. Raise the white handle on the Spreader to insert the tip into the eye of the
Upper Looper.
Thread Lower Looper with regular overlock thread.
1. Raise the Presser Foot to release the Tension disks. Thread the Lower
Looper as illustrated 1-10.
2. Pass thread from back to the front
through the thread guide.
Spreader Disengaged Spreader Engaged
Eye of Looper