Singer 337 User manual

T H E S I N G F__ R C O M P A N Y

Form
(865) K6644 Printed in Great Britain

SINGER*
Sewing Machine Model 337

2
CONGRATULATIONS !
As the Owner of_a SING[R*337 Sewing Machine... you
have a dependable, smooth running zig-zag sewing machine
that is outstanding in its simplicity of operation. You can
overcast a seam, make a buttonhole or stitch a decorative
applique. Then, switch instantly to straight stitching for
seaming, machine basting, or darning.
You will find these features especially helpful
•TRANSPARENT "DROP-IN " BOB-
BIN... located in front of the needle;
shows thread supply at a glance.
• SINGLE-TURN TENSION . . . num-
bered to eliminate guesswork in duplicating
settings.
•THROAT PLATE... clamp type for
easy removal; calibrated for control of seam
width.
• BUILT-IN SEWING LIGHT... pull-
down bracket for easy bulb replacement.
SINGER SERVICE
Wherever you go you will find expert, dependable SINGER* Service close at hand. Look
under SINGER COMPANY, in the phone book, for the address of the nearest SINGER
CENTER. Here, you can obtain the services of a trained SINGER repair man, warranted
SINGER parts, sewing information and services, sewing aids and notions.
Copyright Under International Copyright Union
*A Trademark of THE SINGER COMPANY

3
PRESSURE
PRESSER FOOT
NEEDLE THREAD
TENSION
REGULATOR
THREAD CUTTER
PRINCIPAL PARTS OF
STITCH WIDTH
SELE(
L1GH'[
MACHINE 337
BOBBIN WINDER
LEVER
HAND
WHEEL
BOBBIN
WINDER
SPINDLE
STITCH
H
LEVER
THROAT
3HT SWITCH
BOBBIN WINDER
TENSION BRACKET
SLIDE PLA

TO Remove the Bobbin--
4
'HOW TO WIND THE BOBBIN
Open slide plate and lift out bobbin.

O
To Wind the Bobbin
Loosen stop-motion screw.
!,
.... i
%.
D
BOBBIN WINDER
TENSION DISCS
STOP-MOTION
SCREW
5
BOBBIN WINDER
LEVER
•Place spool of thread on spool pin.
•Thread through guide and between
bobbin winder tension discs.
• Lead end of thread through hole in
bobbin and place bobbin on spindle.
• Move bobbin winder lever to the right.
• Hold end of thread and start machine.
• Cut off thread end after a few coils have
been wound on bobbin.
.... '_'_,,_, ,,_,,,,._,,_,,_7,_-_-,,_,_%.
1 _¢_
When bobbin is full, stop machine.
Cut connecting thread about 3 inches
from bobbin.
Move bobbin winder lever to left and
remove bobbin.
Tighten stop-motion screw, as shown
above.

6
To Replace the Bobbin
0
/
Hold bobbin so that thread leads off in
direction shown. •Place bobbin in case.
•Lead thread into slot and under spring.
Draw thread into notch at end of spring;
pull about 3 inches of thread across
bobbin. •Close slide plate.

7
HOW TO THREAD THE MACHINE
'_:; !
?
iJ
i/::
Raise take-up lever to highest point.
Lead thread
shown. through threading points
._'_
• Thread needle from front to back.
• Draw about 4 inches of thread through
eye of needle.

FABRIC, THREAD, NEEDLE
8
AND STITCH LENGTH CHART
FABRICS
__ m
DELICATE---tulle, chiffon, fine lace, silk,
organdy, fine tricot
LIGHTWEIGHTBbatiste, organdy, Jersey,
voile, taffeta, silk crepe, plastic film
MEDIUM WEIGHTBgingham, percale, pique,
linen, chintz, faille, satin, fine corduroy, suitings
MEDIUM HEAVY--gabardine, tweed, sailcloth,
denim, coatings, drapery fabrics
HEAVYmovercoatings, dungaree, upholstery
fabrics, canvas
THREAD
SIZES
Fine Mercerized
100 to 150 Cotton
Synthetic Thread
50 Mercerized
80 to 100 Cotton
"A" silk
Synthetic Th read
50 Mercerized
60 to 80 Cotton
"A" Silk
Synthetic Thread
Heavy Duty Merc.
40 to 60 Cotton
NEEDLE
SIZES
9
II
14
MACHINE STITCHES
PER INCH
STRAIGHT STITCHING
15 to 20
-- w
12 to 15
(8 to 10 for plastic)
Heavy Duty Merc.
24 to 40 Cotton
16
12 to 15
10 to 12
18 8 to 10