White 616 Sewing Machine Threading Instructions.
Threading Instructions
1. Turn the hand wheel toward you to raise the take-up lever to its highest position.
2. Place a spool of thread on the spool pin.
3. Lead the thread through the upper arm thread guides.
4. Run the thread through the thread guide bar to the tension discs, then around and between them from right to left.
5. Draw the thread up through the check spring and with o slight tug into the hook, (See insert Fig. 12)
6. Pass the thread under the bar and up through the eye of the take-up lever from right to left.
7. Lead thread down under bar, through the face plate guides and then through the needle bar guide from the back.
8. Thread needle FROM LEFT TO RIGHT, drawing it through about 3 or 4 inches. Hold the end of the upper thread loosely and turn the. hand wheel toward you until the needle goes all the
way down and comes back up. A loop (Fig.13) will be formed over the upper thread which then con be pulled out straight.
9. Place both thread ends under the slot of the presser foot and draw toward the bock of the machine, leaving both threads three or four inches long.
White 616 Sewing Machine Threading Instructions
You can find the complete instruction manual here.