Adjusting the Thread Tension | Brother NX-450, N5V specs

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Adjusting the Thread Tension

The tensions of the upper thread and of the bobbin thread (thread tension) should be adjusted so that they are equal.

Changing the tension of the upper thread

You may need to change the thread tension, depending on the fabric and thread being used.

■Correct thread tension

The upper thread and the bobbin thread should cross near the center of the fabric. Only the upper thread should be visible from the right side of the fabric, and only the bobbin thread should be visible from the wrong side of the fabric.

1

2

3

4

aWrong side of fabric

bRight side of fabric

cUpper thread

dBobbin thread

■Upper thread is too tight

If the bobbin thread is visible from the right side of the fabric, the upper thread is too tight.

1

2

35

4

aWrong side of fabric

bRight side of fabric

cUpper thread

dBobbin thread

eThe bobbin thread is visible from the right side of the fabric.

Turn the thread tension dial to the left to loosen the upper thread.

2

■Upper thread is too loose

If the upper thread is visible from the wrong side of the fabric, the upper thread is too loose.

5

1

2

3

4

aWrong side of fabric

bRight side of fabric

cUpper thread

dBobbin thread

eThe upper thread is visible from the wrong side of the fabric.

Turn the thread tension dial to the right to tighten the upper thread.

Note

zIf the upper thread is not threaded correctly or the bobbin is not installed correctly, it may not be possible to set the correct thread tension. If the correct thread tension cannot be achieved, rethread the upper thread and insert the bobbin correctly.

Adjusting the Thread Tension 57

Image 58

Brother NX-450, N5V Adjusting the Thread Tension, Changing the tension of the upper thread, Correct thread tension

Contents

Read before use Important Safety Instructions For a longer service life For Users in the UK, EIRE, Malta and Cyprus only Contents Sewing Adjusting the Thread TensionAdjusting the Stitch Width and Length Useful Functions Troubleshooting Stitch SettingsCare and Maintenance Appliqué, Patchwork and Quilt Stitching Sewing Machine Features Introduction Included accessories AccessoriesAttaching the stitch pattern plate Optional accessories Following are available as optional accessories Names of Machine Parts and Their Functions Front view Needle and presser foot section Right-side/rear view Operation buttons Start/Stop button Operation panel LCD liquid crystal displayPage Getting Ready Power supply precautions Turning the Machine On/Off Turning off the machine Turning on the machineMake sure that the machine is not sewing Understanding the LCD Screens BPresspanel. Settings key in the operation Changing the Machine SettingsChanging the settings EPresskey. OK key or Cancel/clear List of stitch or machine attributes Attribute Icon Details Reference CPresskey. OK key or Cancel/clear Adjusting the brightness of the LCDChanging the screen language Bobbin precautions Winding/Installing the BobbinWinding the bobbin Place the spool of thread for the bobbin onto the spool pin Make sure that the thread passes under the pretension disk NPress Start/Stop button once Remove the bobbin from the shaft Installing the bobbinSlide the bobbin cover latch to the right Correctly, reinsert the thread GReattach the bobbin cover Upper Threading Threading the upper thread Upper Threading DOpen the top cover Needle bar thread guide Threading the needle CLower the presser foot lever to lower the presser foot Needle threader lever BLower the presser foot lever Using the twin needleAThreadguide. the machine to the needle bar thread Threadeye. the upper thread for the left needle DInsert the extra spool pin onto the bobbin winder shaft Attach zigzag foot J KSelect a stitch LPress Needle mode selection keyStart sewing Pulling up the bobbin thread Insert the bobbin into the bobbin case Replacing the Needle Needle precautionsThis section provides information on sewing machine needles Needle types and their uses Fabrics Correct needle Checking the needleReplacing the needle Incorrect needle DLower the presser foot lever Replacing the presser foot Presser foot precautionsReplacing the Presser Foot Presser foot presses down on the fabric Presser foot holder releases the presser foot Removing the presser foot holder Adjusting the pressure of the presser footWhen you are finished sewing, reset the dial to 3 standard Lower the presser foot lever Attaching the walking foot ARemove the presser foot holder Using the walking footBTurn off the sewing machine CRaise the presser foot lever EAttach the presser foot holder Sewing large pieces of fabric Sewing Cylindrical or Large PiecesStitching cylindrical pieces Pull the flat bed attachment off to the left CInstall the wide table Getting Ready Saving stitch settings Sewing Basics General sewing procedure Sewing Positioning the fabric CPlace the fabric under the presser foot Starting to sew Using the operation buttonsUsing the foot controller BPress Start/Stop button once Machine stops sewing with the needle lowered in the fabric Securing the stitching Sewing reinforcement stitches Cutting the threadBRaise the presser foot lever Using the manual thread cutter Correct thread tension Adjusting the Thread TensionChanging the tension of the upper thread Upper thread is too tight BSelect a stitch Adjusting the Stitch Width and LengthAdjusting the stitch width Wider, press Stitch width key Adjusting the stitch length Changing the needle stop position Useful FunctionsBPress Needle stop position key Useful Functions Automatically cutting the thread CPress Automatic thread cutting key Saving stitch settings Hands-free raising Lowering of the presser foot Changing the sewing direction Useful Sewing TipsTrial sewing Sewing curves Sewing thin fabrics Sewing thick fabricsSewing stretch fabrics Sewing an even seam allowance Sewing leathers or vinyl fabricsAligning the fabric with the presser foot Sewing Basics Satin stitching using the sewing Speed controller Using overcasting foot GUsing zigzag foot J Selecting stitching Overcasting Stitches Selecting stitch types Selecting StitchingPatterns Decorative stitches No.01-31 Selecting stitching Decorative stitches Character stitches To select a different stitch Memo Overcasting Stitches Sewing overcasting stitches using overcasting foot GAttach overcasting foot G Sewing overcasting stitches using zigzag foot J Sewing overcasting stitches using the optional side cutter Remove the presser foot Position the fabric in the side cutter Lower the presser foot lever, and then start Ksewing CStart sewing Basic StitchingBasting AAttach zigzag foot J CSelect a stitch When sewing is finished, cut the threadBasic stitching Changing the needle position CAttach blind hem foot R Sew a blind hem according to the following procedureBlind Hem Stitching DSelect a stitch If the needle catches too much of the hem fold Buttonhole Stitching/Button Sewing Buttonhole sewing Buttonhole Stitching/Button Sewing CAttach buttonhole foot a If the button does not fit in the button guide platePullpossible.down the buttonhole lever as far as Seam ripper Sewing buttonholes on stretch fabrics DSelect stitch Button sewingAttach button-sewing foot M Place the button into button-sewing foot M Attaching a shank to a button CCut off any excess thread Inserting a centered zipper Zipper InsertionZipper can be sewn in place FSelect stitch Inserting a side zipper GSelect stitch Topstitch around the zipper Zipper Insertion Zipper/piping Insertion Zipper and piping can be sewn in place Inserting a piping HTopstitch around the zipper Elastic attaching Sewing Stretch Fabrics and Elastic TapeStretch stitching CSew the fabric without stretching it BAttach zigzag foot J 100 Appliqué, Patchwork and Quilt StitchingStitch Appliqué stitching Select a stitch 102 Patchwork crazy quilt stitchingPiecing CSelect stitch Quilting ABaste the fabric to be quilted. bAttach the walking foot Free-motion quilting 104 AConnect the foot controller Satin stitching using the sewing speed controllerDPressis displayed.or Stitch length keys until 106 FPresskey. OK key or Cancel/clearEPress. or Stitch width keys to select Triple stretch stitching Reinforcement StitchingBar tack stitching 108 Darning CSelect stitch 58 or 110 EPullpossible.down the buttonhole lever as far as Attach monogramming foot N Eyelet StitchingSelect stitch Decorative Stitching 112 ESet the stitch width to 7.0 mm 1/4 inch FagotingCAttach zigzag foot J DSelect stitch 32 or GAfter sewing is finished, remove the paper Smocking Scallop stitching114 Shell tuck stitching ESelect stitch 31 , 32 or Heirloom stitching Install the wing needleJoining 116 DStart sewing FPress or Stitch length keys until is displayed GPress. or Stitch width keys to select HPresskey. OK key or Cancel/clear118 DSew along the center of the unfrayed section Sewing beautiful patterns Sewing the Various Built-In Decorative PatternsSewing patterns Select the first pattern Combining patterns120 Select the next pattern Repeat sewing patterns Checking the selected pattern 122 DPresskey. OK key or Cancel/clearChanging the pattern size CPress or Stitch length keys until is displayed Select a decorative satin stitch No -62 Selected with Press Changing the stitch densityRepeat steps a through e Bpanel Changing the pattern length EPress OK key or Cancel/clear key124 Press or Stitch length keys until is displayed Select a stitch Presspanel. Settings key in the operationMirror imaging the pattern DPress. or Stitch width keys to select Retrieving a pattern Saving patterns126 BSelect Realigning the patternCheck the sewn pattern 128 GPress or Stitch width keys Drawing a sketch of the pattern Designing a PatternADrawset. a sketch of the pattern on the grid sheet 130 Entering the pattern dataBTurn on the sewing machine CSelect No of , selected with GSelect , and then press OK key To delete a point 132 Examples of designsPoint Error messages Cleaning the machine surfaceCleaning the race Cancelling the operation beep Utility stitches Stitch Settings134 Stitch Settings 136 Auto Manual Reinforcement 138 Other stitchesStitches Utility Character 140Gothic font Stitches Script font Stitches Outline style Cleaning the race Care and MaintenanceCleaning the machine surface 142 Installposition.the flat bed attachment in its original HInstall the needle plate coverRemove the bobbin case 144 TroubleshootingOperate Troubleshooting 146 Skipped LCD Error messages 148 Operation beep Cancelling the operation beepNothing appears in the LCD CPressdisplayed.or Stitch length keys until is EPress Cancel/clear key or OK key 150 Index 152 LCD Index English 885-U22 XE0403-001