How To Convert The Upper (Green) Looper To A Spreader - Singer Quantumlock 14T957DC Detailed Threading Manual

HOW TO CONVERT THE GREEN UPPER LOOPER
To produce the following stitches you must convert the upper looper to a spreader.
• 2-Thread Wrapped Edge Overlock
• 2-Thread Overedge
• 3-Thread Ultra Stretch Mock Safety Stitch
• 4-Thread Safety Stitch
Push white spreader lever up so that spreader slips into the eye of the looper.
Looper with spreader activated.
TO A SPREADER