Janome 4900 QC manual Cleaning the hook race and feed dog, Inserting the bobbin holder

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CARE AND MAINTENANCE

Cleaning the hook race and feed dog

WARNING:

Turn the power switch off and unplug the machine before cleaning.

NOTE:

Do not dismantle the machine in any way other than what is explained in this section.

zRemove the needle and presser foot. Remove the setscrews and remove the needle plate.

xTake out the bobbin. Lift up the bobbin holder and remove it.

cClean the bobbin holder with a lint brush and soft dry cloth.

vClean the feed dog, auto thread cutter mechanism and hook race with the lint brush.

bClean the hook race with a dry cloth. (You may also use a vacuum cleaner.)

q Screwdriver w Setscrew e Needle plate r Bobbin holder t Lint brush y Feed dog

u Hook race i Soft dry cloth

Inserting the bobbin holder

zInsert the bobbin holder.

xThe knob of the bobbin holder should fit next to the stopper on the hook race.

cReattach the needle plate and tighten the screws. !0Knob

!1Stopper

NOTE:

After cleaning the machine, attach the needle and presser foot.

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Contents Page Important Safety Instructions Table of Contents Table of Contents Name of Parts Name of partsStandard Accessories Detaching the table Attaching the tableFree-arm sewing can be used for Connecting the Power Supply To use start/stop buttonTo use foot control Speed control slider Foot controlOperating Instructions Start/stop button Reverse stitch buttonAuto-lock button Up/down needle position buttonScreen brightness adjustment dial Mode key seeMonogramming key see Stock/Call key see page 294Stitch width adjustment key see page 28, 29 5Stitch length adjustment key see page 28, 296Function touchpad see 7Clear key seeMode selection Mode 1 Screen indicationMode 2 Monogramming modeMode Pattern selection and screen indication Mode 2, 3 and MonogrammingPattern Selection Example stitch patternResumption setting Sound settingLanguage setting Window duration time settingTo drop or raise the feed dog Pressure dialPresser foot lifter Changing the presser foot To remove and attach the foot holderKnee Lifter To removeChanging the needle Thread and Needle Chart Needle SizeSetting the spool of thread Bobbin WindingRemoving the bobbin Additional spool pin y Spool Inserting the bobbin Threading the machine Built-in needle threader Drawing up bobbin thread Manual thread tension adjustment Balancing thread tensionAuto-thread tension Balanced thread tensionMachine settings Straight stitchChanging sewing direction Securing a seamUsing the quilting guide Using the seam guides on the needle plateTurning a square corner Sewing on heavy fabricHelp button Adjusting the needle drop position Adjusting the stitch lengthRestoring the original settings Example To change the preset value for the stitch lengthBasting Attaching the darning foot PLock-a-Matic stitch Triple stretch stitchStretch stitch Locking stitch Saddle stitchNew sculpture stitch Decorative stitch French knotProgramming French knots Example Combination of patterns 54 Adjusting the stitch width Adjusting the stitch lengthZigzag stitch Types of Overcasting Stitches Overcasting with zigzag stitchMultiple zigzag stitch Tricot stitch Overcasting stitchKnit stitch Double overedge stitchOverlock stitch Button sewing Attaching the button sewing foot TTo sew Variations of Buttonholes Square Buttonhole Round-end ButtonholeFine Fabric Buttonhole Keyhole ButtonholeSquare buttonhole Pull the buttonhole lever down as far as it will go Start the machine to sew the buttonhole Double layer buttonhole Corded buttonholeAdjusting buttonhole width Adjusting stitch densityAdjusting buttonhole width on stitch pattern #18 Adjusting buttonhole width on stitch pattern #20Round-end buttonholes #18 Keyhole buttonholes #20Knit buttonhole #24 Faux chain buttonhole #25Welted buttonhole Page ⁄2t Eyelet Zipper sewing Fabric preparationFold back the left seam allowance. Turn the right Page Darning To adjust the evenness of darning To sew a shorter darningTo sew the same size darning To sew the darning at a different sizeTacking To sew a shorter tackTo sew the same size tack To sew a tack at a different sizeHow to fold the fabric Blind hemChanging needle drop position EPintucking QuiltingShell tuck AppliqueSmocking FagotingScallop a Scallop BPatchwork Satin stitchRolled hem CordingStrand cording Cross stitch Twin needle sewing Pattern combination Example Programming patterns 33, 35 Combinations for a mirror image Pattern Elongation Extender stitches Free-motion quilting Editing program Combining satin and decorative stitches Custom stitch adjustment Mode 2 and 3 only Programming a monogram Programming a monogram Reducing the size of a monogram Viewing a long text Editing the programmed patterns Deleting a letter characterExample To delete C from Abcd Inserting a letter character Duplicating a patternExample To insert a space between B and C in Abcd To duplicate the stitch pattern To store and call stitch pattern combinations Overwriting a stored combination To stock memory Recalling a stored combination Deleting a stored combinationCorrecting distorted stitch patterns Stretch stitch patternLetters and numbers ExampleCleaning the hook race and feed dog Inserting the bobbin holderReplacing the light bulb Replacing the light bulb on the underside of the sewing armTo replace Message Problem/Cause Try this Audible Signals Beep sounds duringPip Normal operation Troubleshooting Condition Cause Reference