Singer 337 Sewing Machine User Manual
Contents
1. Speed Controller Speed of machine is regulated by amount of pressure on pedal of foot controller or knee lever CAUTION Do not attempt to remove the arm end cover A Trademark of THE SINGER COMPANY 34 Electrical Information Cont d Sewing Light To Remove Bulb Press bulb into socket and turn it in unlock direction as shown and withdraw To Replace Bulb Pre2. Insert needle upward into clamp as far as it will go with fiat side of needle to back and long groove toward you Tighten needle clamp screw NEEDLE CLAMP LONG GROOVE TOWARD YOu 10 STITCH CONTROLS REVERSE Stitch Length Lever ES Numerals on either side of the lever represent number of stitches per inch The TO RELEASE higher the number the shorter the stitch m The area above 20 is used for adjusting zig zag satin stitch length To set stitch length o pom thumb nut by turning it to the eit 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 15 locked and thumb nut must be loosened before lever cari be raised to reverse stitching position 11 Stitch Width Selector ao 2207277 rs E 3 4 3 i STRAIGHT STITCH SETTING ZIG ZAG STITCH SETTINGS 0 1 to4 The stitch width selector regulates the swing of the needle from a straight position 0 to a maximum zig zag width 4 5 32 inch To position slide selector to desired setting As the lever is moved to the right the width of the zig zag stitch is increased Settings of 1 thru 4 are indicated but intermediate settings may also be used avoid damage to needle and fa
3. RSS eJ A perfectly locked straight stitch results with upper and lower tensions balanced so that needle and bobbin threads are drawn equally into fabric 59 15 BOBBIN THREAD TENSION STRAIGHT STITCHING E N 4 M j PI if 2 Beaty Ci any toph un me 2 Hih ra MUR 11 i Bobbin thread tension too loose Bobbin thread tension too tight correct by turning screw clockwise correct by turning screw counterclock wise EED 5 PRESS A perfectly locked straight stitch results with upper and lower tensions balanced So that needle and bobbin threads are drawn equally into fabric 16 STITCH LENGTH ADJUSTMENT FOR ZIG ZAG SATIN STITCHING oe SATIN fom smcuwim RUM AREA 20940120 x in E i peel o oe ii 3 8 wd E 337 STITCH LENGTH LEVER IN SATIN STITCH AREA n p 1 1 I 4 e t Satin stitching a series of closely spaced zig zag stitches that form a smooth satin like surface is useful for both utility and decorative stitching To Adjust Stitch Length for Satin Stitching E Move stitch length lever ab
4. 3 If area to be darned is open baste an underlay in place 4 Place area to be darned under presser foot 5 Lower presser foot and start stitching alternately letting fabric feed normally away from you and then gently pulling fabric toward you Continue this forward and backward motion until area to be darned is filled with parallel lines of stitching 4 For additional strength turn fabric and cover area with crosswise lines of stitching 25 FASHION AIDS AND ATTACHMENTS Available for separate purchase at your local SINGER CENTER Designed to cut down your sewing time enlarge the scope of your accomplishment and produce professional looking results the following attachments are available for your use on the 337 Machine THE AUTO PILOT BUTTONHOLER automatically produces straight and eyelet end worked buttonholes embroidered eyelets and perfectly aligned rectangles of straight stitching for bound buttonholes Buttonholes may be made in a variety of basic sizes up to 13 in length with the twelve templates that are furnished with the attachment Additional templates in sets of four are available for separate purchase A Trademark of THE SINGER COMPANY THE RUFFLER for gathered and pleated ruffles Ruffles may be made separa tely or made and applied in one operation THE STRAIGHT STITCH PRESSER FOOT AND THROAT PLATE for delicate and spongy fabrics and for sewing procedures that req
5. LEVER TAKE UP LEVER eee HAND 6 WHEEL Des BOBBIN XO WINDER SPINDLE Tracer ene PRESSER FOOT LEVER NEEDLE THREAD TENSION REGULATOR STITCH LENGTH LEVER THREAD CUTTER LIGHT SWITCH THROAT PLATE BOBBIN WINDER SLIDE PLATE TENSION BRACKET 4 HOW WIND THE BOBBIN To Remove the Bobbin Open slide plate and lift out bobbin To Wind the Bobbin Place spool of thread on spool pin Thread through guide and between bobbin winder tension discs Lead end of thread through hole in bobbin and place bobbin on spindle Move bobbin winder lever to the right Hold end of thread and start machine STOP MOTION SCREW Cut off thread end after a few coils have been wound on bobbin Loosen stop motion screw 2 BOBBIN WINDER amp ine Cut connecting thread about 3 inches from bobbin Move bobbin winder lever to left and remove bobbin b 2 fi Tighten stop motion screw as shown BOBBIN WINDER gt above TENSION DISCS 6 To Replace the Bobbin n 7d 5A uf Hold bobbin so that thread leads off in Place bobbin in case direction shown Lead thread into slot and under spring Draw thread into notch at end of spring pull about 3 inches of thread across 4 S bobbin Close slide plate 7 HOW THREAD THE MACHINE Raise take up lever to highest point Lead thread through th
6. CARE OF THE MACHINE BETWEEN TENSION DISCS CLEAN To Clean the Machine v d E T i amp 27 i i 77 5 es e 1 When in regular use Machine should be cleaned periodically with lint brush to remove lint and fluff which may have accumulated around working parts To clean bobbin case area remove bobbin case as instructed on page 29 Oil machine after each cleaning as instructed on pages 30 31 and 32 When stored If machine is to be stored away for an indefinite period a thorough brush cleaning to remove all traces of lint and fluff followed by swabbing of all exposed parts with a lint free brush saturated with SINGER oil is necessary to protect machine against rust damage A Trademark of THE SINGER COMPANY CLAMPING PIN 28 To Remove and Replace Throat Plate To remove the throat plate To replace the throat plate Raise needle bar and presser foot Open slide plate Position fork of plate under clamping Place thumb under right front end of pin as shown above throat plate and raise until clamping Push to left and press down until plate lifts up snaps into position Draw plate toward right to disengage _ Close slide plate 29 To Remove and Replace Bobbin Case Open slide plate and remove throat plate see page 28 Unlock bobbin case by lifting and pulling holder to right as shown Remove bobbin case from machine Remove all lint
7. 337 Sewing Machine THE SIN GE R C OM PAN Y Form K6644 m NE Printed in Great Britain 865 Sewing Machine Model 337 CONGRATULATIONS As the owner of SINGER 337 Sewing Machine you have a dependable smooth running zig zag sewing machine that is outstanding in its simplicity of operation You can overcast a seam make a buttonhole or stitch a decorative applique Then switch instantly to straight stitching for seaming machine basting or darning You will find these features especially helpful TRANSPARENT DROP IN BOB BIN located in front of the needle shows thread supply at a glance SINGLE TURN TENSION num bered to eliminate guesswork in duplicating settings SINGER SERVICE 2 THROAT PLATE clamp type for easy removal calibrated for control of seam width BUILT IN SEWING LIGHT pull down bracket for easy bulb replacement Wherever you go you will find expert dependable SINGER Service close at hand Look under SINGER COMPANY in the phone book for the address of the nearest SINGER CENTER Here you can obtain the services of a trained SINGER repair man warranted SINGER parts sewing information and services sewing aids and notions Copyright Under International Copyright Union A Trademark of THE SINGER COMPANY 3 PRINCIPAL PARTS OF MACHINE 337 SPOOL PIN STITCH WIDTH lee PRESSURE REGULATOR SELECTOR BOBBIN WINDER f
8. bric do not make any selector adjustments with the needle in the fabric 12 NOS PREPARING TO SEW 6 MM M m DNE CON ERGO i Hold needle thread lightly with left hand Turn hand wheel so that needle enters plate and brings up bobbin thread i X i se Pull end of bobbin thread up through Place both needle and bobbin threads throat plate diagonally under presser foot 13 PRESSURE ADJUSTMENTS To decrease pressure turn thumb screw counterclockwise To increase pressure turn thumb screw clockwise DECREASE INCREASE Smooth even handling of several thicknesses of fabric results when pressure is correctly regulated Surface finish as well as the weight and texture of the fabric must be considered in determining the amount of pressure needed Adjustment of the thumb screw regulates the amount of pressure exerted on the material while it is being stitched Too light a pressure will result in irregular feeding which affects both quality of stitch and evenness of seams Too heavy a pressure not only affects stitch and seam quality but will mar smooth surfaces and pile fabrics 14 NEEDLE THREAD TENSION STRAIGHT STITCHING E DA Needle thread tension too Needle thread tension too tight correct by setting dial to loose correct by setting dial to lower number higher number N
9. drop of oil to hook raceway as indicated Close side plate replace arm top cover and face plate 32 To Oil the Machine Cont d lt lt et 2 N Tilt machine back and remove thumb nut from screw being careful not to lose felt washer and remove cover from underside of machine Oil each of the places indicated by arrows Avoid getting oil on any part of the motor Replace bottom cover THE MOTOR REQUIRES NO LUBRICATION 33 ELECTRICAL INFORMATION The SINGER Electric Motor in your machine is furnished for operation on an alternating current of 110 120 volts 25 to 75 cycles or on 110 120 volts direct current Special motors are available for direct or alternating current for any voltage between 50 and 145 and for 32 volts direct current Before inserting Electric Plug be sure that voltage and cycles on arm end cover are within range marked on electrical meter installed by your power company Electrical Connections Insert the three hole plug into the three pin receptacle at the right end of the machine Connect the two pin plug into your electrical outlet and the machine is ready to sew
10. fluff or other foreign matter which might clog machine Replace bobbin case so that groove under tension spring fits on hook raceway and fork of case straddles positioning stud Push bobbin case holder to left until it snaps down into lock position Replace throat plate and close slide plate POSITIONING STUD ev EN 30 To Oil the Machine To keep your machine in top running condition use SINGER Oil and SINGER Lubricant Both are quality products especially prepared for sewing machines and should always be used in the care of your 337 machine M gra NJ nit qc oM I Clean machine periodically as in structed on page 27 Apply a drop of oil to each place indicated Remove screws A and lift off arm top cover Apply a small amount of lubricant to gears as shown tube of this lubricant can be purchased at your SINGER CENTER Q NEVER APPLY OIL TO GEARS bo Disconnect Machine from electricity supply before removing Arm Top Cover or Bed Cover Plate Trademark of THE SINGER COMPANY a ih 31 a am Tu s Mn ae wow a a a j PEOR E d jt NUM 45 n n gs Me amp Remove face plate see page 27 and oil the places indicated Open slide plate and apply a
11. ove 20 to satin stitch area Run machine at slow speed Tighten indicator by turning thumb screw to the right until stitches form a smooth surface Make a test sample first before proceeding with the actual work The Special Purpose presser foot described on page 26 is recommended for decorative satin stitching and for making buttonholes 17 NEEDLE THREAD TENSION ADJUSTMENT FOR ZIG ZAG SATIN STITCHING Zig zag stitching requires less needle thread tension than straight stitching and closely spaced zig zag stitches that form a smooth satin like surface require less tension than widely spaced open zig zag stitches Further more the wider the satin stitching the lighter the tension required To determine correct tension setting a test sample should be made on a scrap of the fabric to be used A properly balanced satin stitch should lie flat across the material Some soft fabrics may require the addition of a backing to insure good stitching Crisp organdy and lawn are suitable for this purpose The Special Purpose presser foot described on page 26 is recommended for decorative satin stitch work and for making buttonholes s Correct Incorrect 18 ZIG ZAG APPLICATIONS LINGERIE SEAMS Dainty lingerie seams are made durable with zig zag stitching After straight stitching seam on wrong side press both seam allow ances in same direction From right side top stitch with a fine zig zag setting 14
12. reading points shown e Thread needle from front to back Draw about 4 inches of thread through eye of needle 8 FABRIC THREAD NEEDLE AND STITCH LENGTH CHART FABRICS DELICATE tulle chiffon fine lace silk organdy fine tricot LIGHTWEIGHT batiste organdy Jersey voile taffeta silk crepe plastic film MEDIUM WEIGHT gingham percale pique linen chintz faille satin fine corduroy suitings MEDIUM HEAVY gabardine tweed sailcloth denim coatings drapery fabrics HEAVY overcoatings dungaree upholstery fabrics canvas MACHINE STITCHES PER INCH THREAD NEEDLE E SIZES SIZES STRAIGHT STITCHING Fine Mercerized Te 100 150 Cotton 9 15 to 20 Synthetic Thread 50 Mercerized 80 to 100 Cotton T I2tol5 A silk 8 to 10 for plastic Synthetic Thread Ey otton A Silk 14 12 to 15 Synthetic Thread Heavy Duty Merc 720 to 60 Cotton 16 l0 to I2 Heavy Duty Merc i8 8 to 10 24 to 40 Cotton 9 HOW TO INSERT NEEDLE This machine uses needle Catalog 2020 15 x 1 Sizes 9 11 14 16 NEEDLE and 18 BAR gt For perfect stitching select correct needle and thread to correspond with fabric according to table on page 8 Be sure to use like threads for both needle and bobbin Raise needle bar to highest point by turning hand wheel toward you gite Loosen needle clamp screw
13. ss bulb into socket with bulb pin in slot and turn it in lock direction as shown 77 FINGER GRIP The built in sewing light is located beneath the machine arm It is turned on or off by the light switch located under the stitch length UNLOCKS lever To Change Bulb Switch light off Pull light down by finger grip and hold in down position Release hold and light will return to normal position BULB PIN To all whom it may concern The improper placing or renewal of the trademark SINGER or any other of the trademarks of The Singer Company all of which are duly Registered Trademarks on any machine that has been repaired rebuilt reconditioned or altered in any way whatsoever outside a SINGER factory or an authorized SINGER agency is forbidden SINGER GUARANTEE WE GUARANTEE that each SINGER sewing machine has been carefully manu factured and is in perfect operating condition on delivery When subject to normal family use and care any parts requiring replacement at any time due to defects in material or workmanship will be replaced without charge THIS GUARANTEE does not apply to parts requiring replacement due to natural wear or to abuse or negligence of the user or in the event the machine is serviced by other than a SINGER representative or Approved Dealer or with parts other than those supplied by The Singer Company IN ADDITION to the above guarantee of par
14. tarting at point A and stopping at end of marking point B Leave needle in fabric Raise presser foot and pivot work on needle Lower foot and take one stitch at same width setting Leave needle in fabric at point Bar Tack With needle in fabric raise presser foot and set stitch width at 4 Lower foot and take approximately six stitches to complete tack Leave needle in fabric at point D Side Stitching With needle in fabric raise presser foot and re set stitch width at 2 Lower presser foot and stitch to point E Leave needle in fabric at point E 23 BUTTONHOLES Cont d Final Bar Tack With needle in fabric raise presser foot and set stitch width at 4 Lower presser foot and duplicate tack previously made Leave needle in fabric at point F Fastening Stitch With needle in fabric raise presser foot and set stitch width at O lower foot take approximately three stitches Remove work draw threads to wrong side and trim Cut opening for button with a pair of sharp embroidery scissors 24 DARNING With just a little practice you will be able to darn clothing and household linens effort lessly and quickly 1 Set Stitch Width Selector on O setting and adjust Stitch Length Lever for desired stitch length usually about 10 or 12 2 Decrease pressure by turning Pressure Regulator thumb screw to right Pressure should be lighter than for normal sewing but not too light to prevent work from feeding smoothly
15. ts each machine will be inspected and adjusted whenever necessary without charge for labor for a period of one year from date of purchase THIS GUARANTEE is effective only with respect to the person making the purchase from The Singer Company or one of its Approved Dealers The original Sales Agreement or Cash Receipt must be presented to obtain the benefits of the guarantee AGREEMENTS inconsistent with the foregoing shall be void and of no effect THE SINGER COMPANY
16. uire close control THE SEAM GUIDE aids in maintaining uniform seam width guides placement of top stitching FASHION AIDS AND ATTACHMENTS Cont d THE ZIPPER FOOT indispensable for the placement of stitching close to a raised edge For zipper insertions corded seams and slip cover welting THE BINDER FOOT for the application of commercial and hand made bias binding THE HEMMER FOOT forms and stitches a perfect narrow 1 8 hem without pressing or basting THE TUCKER a time saver for making tucks 1 8 to 1 inch in width Gauges tuck width and tuck spacing marks and stitches in one operation THE THROAT PLATE LIFTING PLATE fits under the regular throat plate Necessary for free motion darning and embroidery work and for button sewing THE BUTTON SEWING FOOT holds two and four hole buttons securely for stitching and provides for formation of thread shank THE GATHERING FOOT ensures evenly spaced shirring with locked in fullness THE EDGE regulates the placement of straight stitching in relation to a fabric edge by means of a series of slotted guides THE SPECIAL PURPOSE FOOT designed to facilitate the placement of satin stitching It provides maximum visibility and allows closely spaced zig zag stitches to feed freely Eyelet accommodates a filler cord For buttonholes applique and mono grams KEA nd e 27 HOW TO TAKE
17. underlay Shorten stitch length at ends and corners for added strength Application of Elastic Elastic must be stretched as it is applied to insure fullness required in the garment 21 ZIG ZAG APPLICATIONS APPLIQUE Motifs or designs applied with a zig zag stitch add beauty and interest to wearing apparel and household textiles Bands flowers leaves or figures in con trasting or self fabric may be effectively applied to another surface by two methods The appropriate method is determined by the fabric being used A test sample is advisable Method 1 Position and baste design to fabric Outline entire design with a short straight stitch Trim raw edges close to stitching Set stitch width and stitch length for zig zag stitch desired Overedge design This smooth uniform finish requires no additional trim ming Method 2 Position and outline design as for Method 1 Follow the shape of the design outlining it entirely with zig zag stitching Trim away excess fabric on the outer edges of the applique after stitching has been completed 22 BUTTONHOLES STITCH LENGTH ABOVE 20 STITCH WIDTH 2 AND 4 To establish exact stitch setting and buttonhole length a test sample is advisable Be sure to use the same fabric and number of fabric layers as in the garment 2 Procedure Mark button length on garment Allow 1 8 at each end for bar tacks Side Stitching Set stitch width at 2 Stitch down left side s
18. width letting needle alternately enter seam line and seam thicknesses This finish is particularly suitable for bias seams KNIT FABRIC SEAMS A narrow zig zag stitch is ideal for seaming knit fabrics It is particularly suitable for underarm seams or other seams where elasticity and give are needed For curved or bias seams where a stay is needed to prevent undue stretching this same stitch can be used to apply seam tape 19 ZIG ZAG APPLICATIONS SEAM FINISHES Seam edges support garment and should be given a durable finish where fabrics have a tendency to ravel The zig zag stitch is ideal for seam finishing Place stitching near edge of seam allowance and then trim excess fabric 4 ae a Be gt m p m 5 ae Interfacing can be shaped without bulk with zig zag stitching Cut out dart allowance on stitching line and bring raw edges together Pin over a muslin stay and stitch Reinforce both ends with reverse stitching QD AT I E P Y T 14 UM S D i SS 20 ZIG ZAG APPLICATIONS MENDING Zig zag stitching is well suited for all types of household mending It provides a firm flexible bond for repair of tears and is ideal for reinforcement and application of elastic Stitch length and width are regulated accordin g to need Tears Trim ragged edges and reinforce tear with
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