Kenmore 1791 manual Incorrect thread tensions, Bent needle plate Hand wheel not returned to

Page 42

SUSPECTED PROBLEM

PUCKERING

SKIPPING

STITCHES

BREAKING UPPER THREAD

BREAKING BOBBIN

THREAD

FABRIC NOT

MOVING

MACHINE JAMMING,

KNOCKING NOISE

MACHINE DOES

NOT SEW

PROBABLE CAUSE

Incorrect thread tension{s),

Light pressure on presser foot. Using two different sizes or kinds of thread.

Sent or blunt needle. Loose presser foot_.

Fabric too sheer or too soft.

Incorrect size needle.

Certain knits and synthetics.

Bent or blunt, needle.

incorrect setting of needle, Tight upper thread tension, Light pressure on presser foot.

Starting to stitch too fast.

Improper threading.

Tight upper thread tension.

Incorrect size needle.

Sharp eye m needle.

Nicks or burrs at needepiate opening,

Improper bobbin case threading.

!Lint in bobbin case or shuttle.

J Darning plate attached.

t Light pressure on presser foot. Thread knotted under fabric,

i

Thread caught in shuttle.

Damaged needle.

Bent needle plate.

Hand wheel not returned to

stitching position,

Power cord not connected, Power!light switch off.

POSSIBLY EASY CORRECTION	41

Reset thread tension(s),

Increase pressure on presser foot.

Upper thread and bobbin thread should be same size and kind.

Insert new needle. Reset presser foot.

Use underlay of tissue paper.

Choose correct size needle for thread and fabric. Use "Q NEEDLE .... and "Q FOOT "T"

insert new needle. Reset needle.

Loosen upper thread tension.

Increase pressure on presser foot.

Start to stitch at a medium speed.

Rethread machine.

Loosen upper thread tension.

Choose correct size needle for thread and fabric, Insert new needle.

Replace needleplate, or polish off burrs completely.

Check bobbin case threading.

Clean bobbin case and shuttle.

Remove darning ptate.

Increase pressure on presser foot.

Place both threads back under presser foot before

beginning to stitch.

Disassemble and ctean shuttle,

Replace needle.

Replace needle plate,

Push m clutch,

Check plug.

Push to on position.

Image 42

Contents Needle Contro, stitch selector Indicator Knowing Parts and featuresSetting Check chartKnowing Your Sewing Machine Back ViewSolid State Foot Control Frontview SETrlNG UP Your Machine Getting Ready to SEWNeedle stops precisely in up or down position Electronic Needle ControlStitch Selector Push Before Turning DialWinding Bobbin Putt out to disengagePush Threading the Bobbin Case Drop-in bobbin Makes this a simple Sure operationNeedle threading Threading the Rest of Your MachineUpper threading Now quick and easyZigzag Stitching Thread TensionThread Tension Straight Stitching Checking for Correct Tension of ThreadTo Replace the Needleplate Insert Changing NeedlesNeedleplates Your Size 14 Needle is BASIC., oFabric is the KEY to Needle and Thread Choice ChoosingRight Needle For the Fabric Kenmore needles are Recommended for all Kenmore machinesApplies Pressure Your Foot Controls SpeedPresser Foot Straight and Zigzag SevngFeed Dogs Keep the Fabric MovingKeep YOU on Target Sewing Swing UP For Free ARMKey decision Easy to SET for ALL Straight Stitch I NGStitch length is your Here are Your Basic Seings for Straight StitchingTOP-STITCHING Making Permanent Seams Truly PermanentHandsome Backtacking Crossing seams oo Turning square cornersPIN Basting STAY-STITCHING NOW Simple TemporarySewing By Machine New free Basting method for Very long stitchesMany plain Fancy uses Zigzag StitchingExpands Your Skills For easy zigzag SewingMost important use for Special Edge Stitch Settings Stitch Selector -- ilChange Stitch Length Width For Strength For Variety Basic zigzagBlind HEMMING-- a Basic Stitch That Adds a Finishing Touch Heres how to set your machineHemming Can Simplified Also using the special Kenmore Built-in Blindstitch is a reai time-saverSo much easier Takes little practice Setting your machineMending Darning By Machine No Presser FootDecorative stitch that also is good for mending knits FagotingBAR-TACKING To reinforce points of strain on any garmentTo support and shape edges and details Zigzag Presser FootZigzag Its great for Making single Extra-long buttonholes Using Your BUILT-IN Buttonhole SystemButtonholes and Fastners Your Kenmore built-in system is the only one that can beIt wilt become Using Your Special Buttonhole AttachmentAnother important buttonhole accessory Get acquainted with whats in yourRound END Start with the ones You like in the chart belowYour NEW Buttonhole Skills ButtonholeSettings for round-end, keyhole, eyelet Worked ButtonholingAn art by our Grandmothers Now easy to do By machine Tips on Making Bound Buttonholes Bound buttonhole settingsPURL-EDGING For That Professional Touch Darning PlateCording is Simple with Same Zipper Settings Zippers That are SMOOTH-WORKING Good LookingHome-sewn zippers can look as nice as those on ex Clear plastic foot MACHINE-SEWED BUTTONS? YESKenmore Makes job easyStretch and Special Stitches Setting Your Machine for Straight Stretch StitchingStraight Stretch Stitching For seams That need to stretch With the fabricStretch RICK-RACK STR EtchUsed most often for Top-stitching Overcast Stretch Feather StretchElastic Stretch Youll love this For skirt-bands LingerieSome Favorite HOW to GET the HAND-SMOCKED Effect by MachineParis Point Stretch Stitches Can beMachine EMBROIDERY? Custom Designs By MACHINE? Satin Stitches AS the ProfessionalsUSE Them Finishing and Personal TouchesHere are Some SINGLE-NEEDLE Designs Youll Like to USE Only your fancy is needed for This fanciworkWeveadded an embroidered touch to a bias tape at These Kenmore Special Aids NOW Narrow HemmingIs Easy Even Feed Most USEFUL, Versatile AccessoryYour Kenmore Edgestitcher Makes Many Trims Possible FootLovely Lettuce Problem FABRICS? TOO Soft to FINISH? Here are Happy EndingsHandsome Shell Stitching EdgingQuilting the Kenmore WAY Easier with Your KenmoreGuide for Orderly rows Uniformly spacedSuspected Problem Incorrect thread tensions Bent needle plate Hand wheel not returned toCleaning Your Keeping IT CleanLight JOB To Keep YourSewing Bright Oiling Under Oiling YourKeeps IT Smooth Running TOP Cover PlateAccessories NeedlesPresser Feet Other Vital ITEMSUl o c