Stitch Length - Singer 1640 Instruction Manual

Section 5
STITCH ING TIPS
• Check that dials are set correctly for the stitch you want
—
stitch pattern,
stitch length, and stitch width.
• Use proper needle and thread for your fabric.
Needle should be straight,
sharp and inserted properly. Change your needle frequently.
• Test machine stitch on double thickness of a scrap of the fabric you plan to
use. Adjust machine for length of stitch, tension and pressure, if necessary.
• Place fabric under presser foot with bulk of material to the left of needle.
For most seams, place right edge of fabric on the 5/8" seam marking on
needle plate. Pull thread ends behind presser foot. (Fig. 31) Lower presser foot.
• To prevent fabric from being drawn into needle hole when you begin
stitching, start about
%"
from edge of fabric.
• To reinforce beginning and end of seams, backstitch about
1/2
from edge of
fabric.
• Regulate speed of machine by increasing or decreasing pressure on foot
pedal. Run machine at a slow even speed. I.
• Allow fabric to feed forward with the movement of the fabric feed. Don't
pull or hold fabric back as needle may bend or break. Instead, guide fabric
gently with your hand in front of presser foot.
• When finished stitchinq, turn hand wheel toward you to raise needle to its
highest position before removing fabric from under presser foot. Raise presser
foot. Pull threads over thread cutter located at back of presser bar, and press
threads down to cut. (Fig. 32)
F;• 31
—19
A—