Singer 645 Owner's Manual
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Singer 645 Owner's Manual

Singer 645 Owner's Manual

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MODEL
645
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Summary of Contents for Singer 645

  • Page 1 MODEL...
  • Page 3 CONTE NTS PAGE SECTION;IPRE1JMINARY INFORMATION Parts Indentitication Principle Parts Accessories Installing Machine Head onto portable case or cabinet and Connecting Machine selection ot Needles and hreads Needle-Thread-Fabric-Stitching Guide Changing Needle Changing Needle Plate Selection of Presser Foot Winding Bobbin Upper Threading Threading Bobbin Case Placing Bobbin Case in Shuttle III...GETflNG TO KNOW YOUR MACHI NE...
  • Page 9 — SELECTION OF NEEDLES AND THREADS The needle and thread you choose depends upon the fabric you are stitching. The correct selection of needle and thread is very important to avoid damaging the fabrics of light weight, or tightly woven fabrics, and to prevent skip ped stitches when sewing on very sheer or stretchy fabrics or needle breakage when stitch ing heavy or stiff fabrics.
  • Page 10 THREAD— FABRIC NEEDLE STITCHiNG GUIDE — — Machine SynThetic: Fabric Stitching ‘Per inch Extremely heavy Heavy Duty tarpaulin, sacking, canvas, duck, etc. Heavy upholstery fabric, ticking, Heavy Duty denim, leatherette. Medium heavy drapery fabric, velveteen, Heavy Duty jiting, felt, terry, etc. Medium broadcloth, percale, gingham, linen, chintz, taffeta, sheer...
  • Page 13 WINDING BOBBIN Disengage the hand wheel (1) from the stitching mechanism by turning the clutch nut (2) toward you or counter-clockwise. ‘A Place a spool of thread on one of pins and lead thread the spool through the rear Top Thread Guide (3) after winding around Bobbin, Winder Tension Disc.
  • Page 14 UPPER THREADING 1. Turn the hand wheel toward you to raise the take-up lever to its highest position. r-—- 2. Place a spool of thread on the ----- spool pin. 3. Lead the thread through the top thread guides. 4. Down and between the tension discs, from right to left.
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  • Page 18 STRETCH STITCH LEVER Selection between ordinary stitching and triple auto matic backand4orth stitching called stretch stitch is made by the stretch stitch lever. With the lever up at “REGULAR STITCH” position, ordinary sewing is performed.With the lever down at “STRETCH STITCH” position, your machine automatically performs the stretch stitch with the repetition of two forward and one backward stitch combination.
  • Page 20 VVVVV.V•V___ •__V__...
  • Page 21 SEWING LIGHT The sewing light is located in face cover directly over the needle so as to better illuminate the stitching area. Turn the light on and off by pushing the switch on face cover. To replace bulb, turn light off and open face cover to the left.
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  • Page 34 Pattern: Length: Red bar mark Width: 5-2-2-5-2-0 Feed Dog: Down-High-Down-High-Down Pressure: Full Foot: Buttonh ole Foot Stretch Control: REGULAR...
  • Page 35 :::::. .--..:.... •-.-• • • ••-.:-•-•- .- •...
  • Page 36 STRAIGHT STRETCH STITCH: This stitch may be used on knits and wovens in areas of stress as a reinforcement stitch. It is excellent for curved seams such as armholes and crotch seams. For active wear Pattern: Lenoth: 5 such as ski pants and girdle fabrics which endure a lot of Width: 0 stress in .bending and stretching, this stitch may be used Feed Dog: High...
  • Page 40 CLEANING AND OILING THE SHUTTLE AREA The stitch forming mechanism occasional ly becomes clogged with loose threads and lint. This will interfere with the efficient operation machine. Cleaning and removal of the lint will safeguard the performance. To remove the shuttle assembly, proceed as follows: 1.
  • Page 42 ‘—• ‘- -‘ ‘‘- Stftthes —- .—--.- — — —- — --——-— .‘.-. —-.,—-- -—--. —-- — —--S —----.- -“ — ‘. • -‘ •• •—---— -- ,—.--—- -——— ---- -—-*-.- — •.
  • Page 45 BINDER This attachment folds bias binding applies it to the edge of material in one operation. Slots on scroll of the binder are for corres ponding widths of commercially folded bias binding. The open mouth of binder scroll is used for unfolded bias strips cut 15-16 inch wide.
  • Page 49 LACE TRIMMED HEM To sew a narrow hem and attach lace in one stitching, insert lace in the slot next to needle.Sew hem as shown, guiding lace under needle into scroll. Rickrack stretch may be used in the same way. LACE EDGE WITH INVISI BLE STITCHING Hold lace 1/8 inch from raw edge...

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