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Brother PC 3000 Thread Tension, Correct upper thread tension, Loosening the upper thread tension

Models: PC 3000

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THREAD TENSION

THREAD TENSION

Correct upper thread tension

�

5	4	3

The thread tension is normally set on “4” for gen- eral sewing applications. (Refer to the FABRIC/ THREAD/NEEDLE COMBINATION CHART on page 27.)

However, the thread tension dial can be used to adjust the tension of the upper thread in the follow- ing cases.

2

3

1

4

*when using specialty threads or sewing on spe- cial fabric

*when sewing gathers, shirring or shell tucks

*when the normal settings do not give the de- sired result

The upper thread and the bobbin thread should cross at about the center of the fabric. If the thread tension is incorrectly set, flat attractive seams will not be sewn or the fabric will pucker.

1Reverse side

2 Surface

3 Upper thread

4 Bobbin thread

Loosening the upper thread tension

�

5	4	3

3

	2	4
	2	1
		1

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

1Bobbin thread

2 Upper thread

3 Surface

4 If the upper thread tension is too strong, locks appear on the surface of the fabric.

22

Image 25

Brother PC 3000 operation manual Thread Tension, Correct upper thread tension, Loosening the upper thread tension

Contents

OPERATION MANUAL SEWINGMACH INE“SAVE THESE INSTRUCTIONS” “IMPORTANT SAFETY INSTRUCTIONS”“This sewing machine is intended for household use.” FOR USERS IN THE UK, EIRE, MALTA AND CYPRUS ONLY For a longer service life PLEASE READ BEFORE USING YOUR SEWING MACHINEFor repair or adjustment CONGRATULATIONS ON CHOOSING A BROTHER COMPUTER SEWING MACHINECHAPTER CONTENTSBEFORE USE 1. SEWINGERROR MESSAGES MAINTENANCESEWING CHART HOW TO USE WALKING FOOTCHAPTER BEFORE USEPART NAMES B D C AB. FLATBED ATTACHMENT WITH ACCESSORY COMPARTMENT A. MAIN POWER SWITCH AND CONNECTORS1 Main power switch 3 Power cordOPTIONAL ACCESSORIES OTHER ENCLOSED ACCESSORIESNote For U.S.A. only Foot controller Model N5V info DISPLAY PANELC. DISPLAY PANEL 1 Stitches and patternsOPERATION BUTTONS Using the operation buttonsD. OPERATION BUTTONS 1 Speed range control lever1 Main power switch POWER SUPPLY2. Set the main power switch to “ I ” 3. To turn off the sewing machine, set the main power switch to “ ”SCREEN Adjusting the brightness of the screenAbout the screen Example To change the display language to Spanish LANGUAGE SELECTION KEYExample To change the display language from Spanish back to English Clearing the language selectionThis function can not be used as a translation function Winding the bobbin and setting the bobbin thread BOBBIN WINDING / BOBBIN THREAD SETTING1 Spool cap 2 Spool 3 Spool pin 1 Cross wound thread 2 Spool cap small 3 Gap1 Bobbin winder seat 1 Spring on the shaft 2 Groove of the bobbin1 Bobbin cover 2 Bobbin cover release button Setting the bobbin1 Built-in thread cutter UPPER THREADING 1 Thread take-up lever 1 Wire loop1 Needle threader lever 2 Guide Large hook 1 Second set of hooks 2 Third hookExtra spool pin Using the extra spool pin and the net1 Insert the extra spool pin into the end of the bobbin winder shaft 2 Spool felt 3 Thread spool“START/STOP” button STARTING AND STOPPING SEWINGFoot controller 1 Foot controller 2 Foot controller jack0 1 2 3 5 6 7 8 Using the “ info ” information key1 2 3 4 info 6 7 8Not adjustable Quick adjustment reference chart for stitch width and stitch lengthStitch width mm in Stitch width mm inCorrect upper thread tension THREAD TENSIONLoosening the upper thread tension 1 Reverse side 2 Surface 3 Upper thread 4 Bobbin thread1 Upper thread 2 Bobbin thread 3 Reverse side Tightening the upper thread tension4 If the upper thread tension is too weak, locks appear on the reverse side of the fabricPRESSER FOOT Removing the presser foot holder while cleaning, etcChanging the presser foot 1 Presser foot holderFEED DOGS NEEDLE Installing the needle securelyChecking the needle 1 Space between the needle and the flat surfaceThread FABRIC/THREAD/NEEDLE COMBINATION CHARTNeedle size Type1. SEWING Sewing using a utility stitchTRIAL SEWING Be aware of the needle at all1 Thread cutter 0 1 2 5 6 7 Cancelling automatic reinforcement stitchingAUTOMATIC REINFORCEMENT STITCHING 1 The machine automatically stopsAdjusting the stitch length Adjusting the stitch widthSTITCH WIDTH AND LENGTH Making the stitch widerSewing corners USEFUL SKILLSSewing folded parts Sewing curvesSewing on thin fabric Sewing on thick fabricSewing a curve with a zigzag stitch Free-arm sewing Using the needle plate1 1.5 cm 19/32 STRAIGHT STITCHES 2. UTILITY STITCHES03For stretch fabric 1 3 to 4 reverse stitchescenter needle position setting Automatic stitch length setting 2.5 mm 3/32Sewing stretch fabrics Changing the stitch lengthApplique using a zigzag stitch Overcasting using a zigzag stitchZIGZAG STITCHES Patchwork for crazy quiltsSewing using stitch 05 or Sewing using stitch 06 , 07 orOVERCASTING STITCHES 05For stretch fabric 06For thin and medium fabric 07For thick fabric00Normal sewing OVERCASTING WHEN USING THE OPTIONAL SIDE CUTTER05Zigzag stitch 06Thin and medium fabrics 07Thick fabric1 2 cm 13/16 When sewing straight stitches only1 Guide plate lower knife 2 Presser foot 2 Presser foot 3 Upper thread10For other fabric BLIND HEM STITCHING1 0.5 cm 13/64 2 Surface 3 0.5 cm 13/64 4 Reverse side 5 Basting 1 Guide 2 Folded hem1 Reverse side 2 Surface Adjusting the needle drop point1 Reverse side 2 Surface 18 12For horizontal holes on blouses or BUTTONHOLE STITCHINGshirts made from thin or medium fab- ric 13For thin or medium fabric 14For jeans or stretch fabric with a coarse weave1 Metal bracket on the buttonhole foot 1 Small eyelet punch accessory #9 on page 2 PinNormal buttonhole and rounded buttonhole 1 Pin Keyhole buttonholeSewing stretch fabrics “ ” and “ ” Buttonhole sewing order1 Reinforcement stitch Example Buttons that do not fit into the guide plate Odd-shaped buttons1 Thickness 1 cm 25/64 2 Diameter 1.5 cm 19/32 3 Button holder plate 4 Scale 5 Diameter + thickness 2.5 cm 0.5 cm 13/64 in one scale1 Automatic stitch width setting 5.0 mm 13/64 2 Narrower 1 Longer 2 Automatic stitch length setting 0.4 mm 1/64 3 ShorterChanging the stitch width Changing the stitch lengthFor reinforcing the openings of pockets, etc BAR TACKING1 Button holder plate 2 Scale on the presser foot 3 0.5 cm 13/64 4 Length of bar tack1 Presser foot 2 Cardboard Thick fabricsChanging the bar tack stitch length 1 Wider 2 Automatic stitch width setting 2.0 mm 5/64 3 NarrowerChanging the bar tack stitch width 1 Longer 2 Automatic stitch length setting 0.4 mm 1/64 3 Shorter19For medium fabric 20For thick fabric DARNING1 Scale on the presser foot 2 Button holder plate 3 0.5 cm 13/64 4 Length of darning 5 Width 7 mm 9/321 Automatic stitch width setting 7.0 mm 9/32 2 Narrower 1 Longer less dense 2 Automatic stitch length setting 2.0 mm 5/64Changing the darning stitch length Changing the darning stitch width1 Reinforcement stitch Darning stitch sewing orderSize of eyelet Actual size EYELET STITCHFor sewing eyelets on belts, etc 1 Needle drop pointFor attaching buttons BUTTON SEWINGAttaching a shank to the button Attaching buttons with four holes1 Shank lever Centered application ZIPPER INSERTION CENTERED AND SIDE APPLICATIONSFor attaching zippers 1 End of opening 2 Reverse stitch 3 Basting 4 Reverse side1 Reverse side 2 Allow 3 mm 1/8 for sewing 3 Teeth of zipper Side application4 Slider on head of zipper 5 Crotch end base of zipper 1 End of opening 2 Reverse stitch 3 Basting 4 Reverse side4. Close the zipper and turn over the fabric. Then sew the other side of the zipper onto the fabric 1 Reverse side1 Right side of fabric 1 Right side of fabric1 Basting DART SEAMFor the waists of skirts, the sleeve openings of shirts, etc GATHERING1 Upper thread 2 Bobbin thread 3 About 5 cm 1 Seam line 2 1.0 to 1.5 cm 25/64 to 19/32 3 About 5 cm1 Shuttle Pulling out the bobbin threadFor decorating blouses, etc PINTUCK1 Width for pintuck 2 Reverse side 3 Right side of fabric 1 Reverse sideFor reinforcing seams and neatly finishing edges FLAT FELL SEAM1 About 1.2 cm 1/2 2 Reverse side 1 Finish line 2 Reverse side1 Right side of fabric Finished flat fell seamSewing the applique around corners or curves APPLIQUES1 Applique 2 Fabric glue 1 AppliqueFor decorating the collars of blouses, the edges of tablecloths, etc SCALLOP STITCH1 Right side of fabric For making decorative stitching SMOCKING STITCH1 About 1 cm 25/64 1 Straight stitch 2 Seam allowance 3 1 cm 25/64 4 Reverse side PATCHWORK STITCH1 Surface 2 Seam For fagoting, decorating, etc FAGOTING1 Basting 2 0.4 cm 5/32 3 Thin paper or stabilizer sheet 1 BastingDecorative stitching DECORATIVE STITCHINGShell tacking Other decorative stitches 56Hem-stitching HEM-STITCH HEIRLOOM STITCHDecorative stitches 46 rative stitching on shirtfronts3 Five threads Leave 1 Approx. 4.0 mm 5/32 or less 2 Four threads Pull outHem-stitching TWIN NEEDLE Decorative stitches where the zigzag width can be changed manually1 Stopper 2 Push the spool pin securely into place 1 Extra spool pin for right needle threadingStitch width Stitch lengthFONT STITCHES 3. FONTS AND DECORATIVE STITCHESmemory enterExample To combine outline letters to create “ ” Combining charactersinfo DECORATIVE STITCHESmemory enterCombining decorative stitches Selecting a decorative stitchExample To select the decorative stitch “ ” Example To combine decorative stitches to create “ & ”Example To change “ ” to “ ” CORRECTING A PATTERN COMBINATIONinfo memoryChanging the size of a decorative stitch CHANGING THE SIZEExample To check the pattern combination “ ABCDEFGHIJKLMN ” CHECKING A PATTERN COMBINATIONMEMORY Do not turn off the power while a pattern is being storedSaving a pattern combination Checking a stored pattern combinationExample To recall the pattern combination “ Recalling a stored pattern combination”, stored under stitch number 0 1 2 3 5 6 7 8Sewing attractive finishes SEWINGFabric Stabilizer1 Needle hole reference line Sewing0 1 2 3 5 6 7 8 ADJUSTING STITCH PATTERNSCLEANING MAINTENANCECleaning the screen Cleaning the sewing machine surface1 Projection 2 Spring 1 Race 2 ShuttleCHANGING THE LIGHT BULB When replacing the light bulb1 Screw 2 End cap 1 Light bulbWarning messages ERROR MESSAGESMessages AlarmTrouble with threads and stitches Mechanical trouble SEWINGCHART Adjustments can be made Adjustments cannot be made 1 Connecting lever 2 Presser bar holder HOW TO USE WALKING FOOT OPTIONAL ACCESSORYUtility stitches PATTERNS PROGRAMMED IN MACHINECharacter sewing Alphabet Block styleAlphabet Outline style Decorative stitchesSatin stitches Cross stitchesDecorative stitch ENGLISH 194955-011 Printed in Taiwan