SINGER 610U - Manual (Page 9)

HOW TO THREAD YOUR SEWING MACHINE
1. Turn hand wheel to raise take-up lever to its highest
position.
2. Raise the presser foot.
3. Lead thread through all threading points shown.
4. Thread needle from front to back.
5. Draw about four inches of thread through eye of
needle.
FABRIC, THREAD, NEEDLE, AND STITCH LENGTH TABLE
FABRICS
THREAD
SIZES
NEEDLE STRAIGHT STITCHES
SIZES PER INCH
DELICATE—tulle, chiffon, fine lace,
silk, organdy, fine tricot
Fine Mercerized
80~120 Cotton
Synthetic Thread
15 to 20
LIGHTWEIGHT—batiste, organdy,
jersey, voile, taffeta, silk, crepe,
plastic film
MEDIUM WEIGHT—gingham,
percale, pique, linen, chintz,
faille, satin, fine corduroy,
suitings
MEDIUM HEAVY—gabardine,
tweed, sailcloth, denim,
coatings, drapery fabrics
50 Mercerized
60~80 Cotton
“A" Silk
Synthetic Thread
50 Mercerized
50~60 Cotton
“A" Silk
Synthetic Thread
Heavy Duty
Mercerized
40 to 50 Cotton
9~11
11~14
1Ó
12 to 15
(8 to TO for plastic]
12 to 15
10 to 12
HEAVY—overcoatings, dungaree,
upholstery fabrics, canvas
Heavy Duty
Mercerized
30 to 40 Cotton
18 8 to 10