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Singer 7640 User Manual

Singer 7640
120 pages
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7
1
ABOUT YOUR MACHINE
Main Parts of the Machine Front
1. THREAD TENSION DIAL allows you to select just the right tension for your stitch, thread and
fabric. (See Page 19)
2. THREAD TAKE-UP LEVER controls the Àow of the upper thread while sewing. (See Page 15)
3. OPERATION BUTTONS control the needle up/down and Start/Stop functions, as well as the
reverse function. (See Page 20)
4. THREAD CUTTER is conveniently located for trimming thread ends at the end of sewing.
5. NEEDLE THREADER LEVER is used to engage the automatic needle threader. (See Page 16)
6. PRESSER FOOT holds fabric against feed teeth, drawing fabric under the foot for you as you sew.
(See Page 29)
7. NEEDLE PLATE has guidelines to help you keep seams straight. (See Page 9)
8. REMOVABLE STORAGE COMPARTMENT provides Àat surface for sewing, storage for
accessories, and provides access to the free arm. (See Page 10)
9. BOBBIN WINDING STOPPER determines when bobbin is full and disengages automatically. (See
Page 13)
10. SPEED CONTROL ADJUSTMENT LEVER controls the speed at which the machine sews when
using the Foot Control or the manual Start/Stop Button. (See Page 20)
11. LCD SCREEN visually displays the stitch number, the stitch length or the stitch width depending
on what Mode you have selected (See Page 20)
12. FUNCTION BUTTONS control the stitch width and the stitch length, as well as the pattern memory
for alpha and numerical stitches. (See Page 21 and 22)
13. PATTERN ADJUSTMENT BUTTONS control the selection of the stitch patterns. The left button
controls the left digit and the right button controls the right digit. (See Page 20 and 22)
14. BOBBIN holds the thread that forms the stitching that appears on the bottom side of the fabric.
(See Page 14)

Table of Contents

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Singer 7640 Specifications

General IconGeneral
Buttonhole Styles6
Automatic Needle ThreaderYes
Stitch Width7mm
Stitch Length5mm
Speed ControlYes
Start/Stop ButtonYes
Needle Positions13
Twin Needle CapabilityYes
LCD ScreenYes
TypeComputerized
Bobbin TypeTop Drop-In
Stitch OptionsAdjustable Stitch Length and Width
Drop FeedYes
Presser Feet IncludedAll-Purpose Foot, Zipper Foot, Buttonhole Foot, Satin Stitch Foot, Blind Hem Foot, Button Sewing Foot

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