Singer 3337 SIMPLE Instruction Manual and Troubleshooting Guide - Page 9

Needle and Presser Foot Area

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1 ABOUT YOUR MACHINE Needle and Presser Foot Area 8 1 9 3 4 10 11 2 12 5 13 6 14 7 1. NEEDLE THREADER LEVER is used to engage the automatic needle threader mechanism. 2. NEEDLE THREADER GUIDE holds thread securely before placing it in hook pin. 3. THREAD GUIDE controls movement of upper thread. 4. NEEDLE holds thread during stitch formation. 5. PRESSER FOOT SCREW secures the presser foot holder (shank) onto the presser bar. 6. PRESSER FOOT holds fabric against the feed teeth while sewing. Various optional presser feet are available, depending on fabric sewn and sewing techniques. (see page 10) 7. FEED TEETH (OR FEED DOGS), which look like rows of teeth under the presser foot, control the movement of the fabric under the presser foot. 8. NEEDLE CLAMP holds the machine's needle in position. 9. NEEDLE CLAMP screw secures the needle when placed in needle clamp. 10. ONE STEP BUTTONHOLE LEVER automatically determines the length of the buttonhole when lowered. (see page 23) 11. PRESSER BAR accommodates the presser foot holder. 12. PRESSER FOOT HOLDER (OR SHANK) holds presser foot. 13. NEEDLE PLATE covers the bobbin area and provides flat area around presser foot for sewing. 14. STITCHING GUIDELINES are used as a visual reference for guiding fabric straight while sewing. The first line is 3/8" (10mm) from center needle position. The most popular seam allowance measurements are 1/2" (13mm) and 5/8" (16mm). The 1/2" seam allowance is the 2nd line, and the 5/8" seam allowance is the 3rd line from center needle position. 9

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9
1
Needle and Presser Foot Area
ABOUT YOUR MACHINE
1
8
9
2
3
4
5
10
11
12
13
14
6
7
1.
NEEDLE THREADER LEVER
is used to engage the automatic needle threader mechanism.
2.
NEEDLE THREADER GUIDE
holds thread securely before placing it in hook pin.
3.
THREAD GUIDE
controls movement of upper thread.
4.
NEEDLE
holds thread during stitch formation.
5.
PRESSER FOOT SCREW
secures the presser foot holder (shank) onto the presser bar.
6.
PRESSER FOOT
holds fabric against the feed teeth while sewing. Various optional presser feet
are available, depending on fabric sewn and sewing techniques. (see page 10)
7.
FEED TEETH (OR FEED DOGS)
, which look like rows of teeth under the presser foot, control the
movement of the fabric under the presser foot.
8.
NEEDLE CLAMP
holds the machine’s needle in position.
9.
NEEDLE CLAMP
screw secures the needle when placed in needle clamp.
10. ONE STEP BUTTONHOLE LEVER
automatically determines the length of the buttonhole when
lowered. (see page 23)
11. PRESSER BAR
accommodates the presser foot holder.
12. PRESSER FOOT HOLDER (OR SHANK)
holds presser foot.
13. NEEDLE PLATE
covers the bobbin area and provides flat area around presser foot for sewing.
14. STITCHING GUIDELINES
are used as a visual reference for guiding fabric straight while sewing.
The first line is 3/8” (10mm) from center needle position. The most popular seam allowance
measurements are 1/2” (13mm) and 5/8” (16mm). The 1/2” seam allowance is the 2nd line, and
the 5/8” seam allowance is the 3rd line from center needle position.