Brother CS-770 Maintenance, Cleaning the machine surface, Cleaning the bobbin case

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MAINTENANCE

Simple sewing machine maintenance operations are described below.

Cleaning the machine surface

If the surface of the machine is dirty, lightly soak a cloth in neutral detergent, squeeze it out firmly, and then wipe the surface of the machine. After cleaning it once with a wet cloth, wipe it again with a dry cloth.

CAUTION

●Unplug the power supply cord before cleaning the machine, otherwise injuries or an electric shock may occur.

Cleaning the bobbin case

Sewing performance will suffer if dust collects in the bobbin case; therefore, it should be cleaned periodically.

CAUTION

●Make sure you unplug the machine before you clean it. Otherwise, you may get an electric shock or be injured.

aSwitch the machine off and unplug it.

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bRaise the needle and the presser foot.

cLoosen the presser-foot screw and the needle

clamp screw to remove the presser-foot holder and the needle.

dGrasp both sides of the needle plate cover, and then slide it toward you to remove the needle plate cover.

aNeedle plate cover

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Contents Computerized Sewing Machine Important Safety Instructions For Users in the UK, EIRE, Malta and Cyprus only For safe operation For a longer service lifeContents Utility Stitches Main parts Names of Machine Parts and Their FunctionsButtons provided on some models Needle and presser foot sectionOperation buttons ASlideopen theit. flat bed attachment to the left to Operation panelFlat bed attachment Optional accessories AccessoriesCTo turn off the machine, set the main power switch to Using Your Sewing MachinePower supply precautions BSet the main power switch toChanging the needle stop position Foot controllerETurn on the sewing machine Threading the MachineWinding the bobbin Pass the thread around the pre-tension diskGTrim the excess thread above the bobbin CSlide the bobbin winder shaft to the right For models equipped with the fast bobbin winding systemActual size 11.5mm 7/16 inch This model Lower threadingFor models equipped with the quick-set bobbin Right side see arrow b until the cover clicks into placeUpper threading Thread take-up lever Catch the thread on the hook as shown below DFully lower the needle threader leverLightly hold the end of the upper thread Drawing up the lower threadFor models equipped with the quick-set bobbin Fabrics Needle precautionsReplacing the Needle Needle types and their usesIncorrect needle Checking the needleReplacing the needle Correct needleInstalling the needle clamp Twin needle threading Sewing with a twin needleMark on the wheel points up. With models Replacing the Presser FootReplacing the presser foot Remove the presser foot Removing the presser foot holderRemoving the presser foot holder Attaching the presser foot holderSewing General sewing procedureCAttach the presser foot DIfwidth.necessary, adjust the stitch lengthSelecting stitching Turn on the sewing machineBRaise the presser foot lever Starting to sewOn the wheel points up. With models equipped Upper tension is too tight Thread tensionSewing reinforcement stitches Correct tensionSewing curves Useful Sewing TipsTrial sewing Changing the sewing directionSlide the flat bed attachment to the left to release it Using a free-arm styleSewing thin fabrics Sewing stretch fabricsAttach overcasting foot G or zigzag foot J Select a stitch Overcasting StitchesChanging the needle position When sewing is finished, cut the threadBasic Stitching Basic stitchingIf the needle does not catch the hem fold Blind HEM StitchingBAttach blind hem foot R CSelect a stitch Buttonholes can be sewn and buttons can be sewn on Buttonhole SewingIf the button does not fit in the button guide plate Size of the buttonhole is setFPullpossible.down the buttonhole lever as far as CAttach presser foot M Button sewingSewing buttonholes on stretch fabrics With stitch Select stitch ESelect a stitchRev. Reverse Zipper InsertionElastic attaching Sewing Stretch Fabrics and Elastic TapeStretch stitching Appliqués APPLIQUÉ, Patchwork and Quilt StitchingPiecing Patchwork crazy quilt stitchingDSelect stitch , or Using the optional quilting guideQuilting Baste the fabric to be quiltedGAfter sewing is finished, slide the feed dog Free-motion quiltingAttach zigzag foot J Select stitch Start sewing Reinforcement StitchingTriple stretch stitching Bar tack stitchingPullpossible.down the buttonhole lever as far as Once sewing is completed,Decorative Stitching DTrim along the stitches FagotingScallop stitching DPull the bobbin threads to create gathers SmockingShell tuck stitching Sew parallel stitching at intervals of 1 cm 3/8 inchUnfold the fabric, and then iron the tucks down to one side JoiningHeirloom stitching Utility stitches Stitch SettingsRfc. Reinforcement Pattern No Rfc Binding Appendix Cleaning the bobbin case MaintenanceCleaning the machine surface Remove the bobbin case Troubleshooting Fabric is LowerOr breaks Thread tenPitched noise While sewing Stitches areSkipped There is a highOperation beep for models equipped with the operation beep Error MessagesNumerics Index30, 32 Page English 885-S33/S34/S36/S37 XC8835-7219