Singer 337 User Manual

10
STITCH CONTROLS
REVERSE
TO RELEASE
TO TIGHTEN
Stitch Length Lever
Numerals on either side of the lever
represent number of stitches per inch. The
higher the number, the shorter the stitch.
The area above' 20 is used for adjusting
zig-zag satin stitch length.
To set stitch length
Loosen thumb nut by turning it to the
left.
• Move lever to desired stitch length
setting.
Tighten thumb nut by turning it tO the
right.
To stitch in reverse
Set stitch length as explained above, and
raise lever as far as it will go. Exception:
When lever is in No. 6 position, it is" locked"
and thumb nut must be loosened before lever
cari be raised to reverse stitching position.

Singer 337 Specifications

General

Type	Mechanical
Built-in Stitches	23
Free Arm	Yes
Buttonhole Styles	1-Step
Built-in Needle Threader	Yes
Maximum Sewing Speed	750 stitches per minute
Stitch Functions	Zigzag
Needle Position	Adjustable
Stitch Options	Adjustable Stitch Length & Width
Presser Feet	Buttonhole Foot, Zipper Foot
Needle Positions	Left, center, right