JanomeメーカーDC3050の使用説明書/サービス説明書
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INSTRUCTION BOOK Model DC 3050.
IMPORT ANT SAFETY INSTRUCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the followings: Read all instructions before using this appliance. DANGER — To reduce the risk of electric shock: 1. An appliance should never be left unattended when plugged in.
1 KNOW YOUR MACHINE Name of Parts ........................................................... 2 Standard Accessories ............................................... 3 Extension table .......................................................... 3 GETTING READY T O SEW Connecting the Power Supply .
2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 KNOW YOUR MACHINE Name of Parts 1. Direct pattern selection buttons 2. Mode selection button 3. Plus (+) button 4. Minus (–) button 5. Indicator window 6.
3 q w q w 12 3 45 6 78 9 11 12 10 Standard Accessories The standard accessories are stored in the extension table. q Extension table w Standard accessories 1. Zipper Foot E 2. Satin Stitch Foot F 3. Automatic Buttonhole Foot R 4. Screwdriver 5. Bobbins 6.
4 w q e r t y q w GETTING READY T O SEW Connecting the Power Supply T urn off the power switch. Insert the foot control plug into the machine socket. Insert the machine plug into the machine socket. Insert the power supply plug into the wall outlet. T urn on the power switch.
5 w Auto-Lock button When stitch pattern 01, 02, 10 or 1 1 has been selected, the machine will immediately sew locking stitches and automatically stop when the auto-lock button is pressed. When sewing any other stitches, the machine will sew locking stitches at the end of the pattern being sewn and automatically stop.
6 (2) Stitch width adjusting mode The green light in the middle will light up. The stitch width of the selected pattern will be indicated. To alter the stitch width, press the key . (3) Stitch length adjusting mode The green light on the bottom will light up.
7 Changing the Presser Foot CAUTION: T urn OFF the power switch before changing the foot. Always use the proper foot for the selected pattern. The wrong foot can cause the needle to break. To snap off: Raise the needle and presser foot. Press the red button on the back of the foot holder and the foot will drop.
8 q w e w e q w e r t y Balancing Thread T ension Auto tension This machine features an Auto setting in the tension control, which covers a wide range of sewing conditions. Set the tension regulating dial at "A" for general sewing, unless specifically indicated in this manual.
9 Changing Needles CAUTION: Always make sure to turn the power switch off and disconnect the machine from power supply before changing the needle. Raise the needle by pressing the up/down needle button and lower the presser foot. T urn off the power switch.
10 Wi nding the Bobbin Removing the bobbin 1 Slide the hook cover plate release button to the right, and remove the hook cover plate. q Hook cover plate release button w Hook cover plate 2 Lift out the bobbin from the bobbin holder . e Bobbin Setting the spool of thread Lift up the spool pin.
11 5 4 3 2 1 q e r y t w Inserting the bobbin 1P lace the bobbin in the bobbin holder with the thread running off counterclockwise. q Thread w Bobbin holder 2 Guide the thread into the notch on the front of the bobbin holder . e Notch on the front 3 Draw the thread to the left, sliding it between the tension spring blades.
12 2 3 5 1 2 4 3 5 3 r t y u i q w e 1 Draw the thread from the spool. Hold the upper thread at the spool with your finger . q Hold the thread 2S lip the thread under the thread guide from the right and down along the right channel. Be sure that the thread passes between the tension disks.
13 Drawing Up the Bobbin Thread 1R aise the Presser Foot Lifter . Tu rn the power switch on. 2 Hold the needle thread with your finger and press the Up/Down needle button twice to pick up the bobbin thread. Draw up the needle thread to bring up a loop of the bobbin thread.
14 Securing a seam For fastening the beginning of a seam, press the reverse button and sew several reverse stitches. Release the reverse button to sew forward. w Reverse button For fastening the ends of a seam, press the reverse button at the end of the seam.
15 Altering the needle drop position The needle drop position of the following stitches can be altered: Press the mode key to activate stitch width adjustment (the middle green light lights up). The preset value "3.5" will be indicated. Press the plus (+) key to move the needle drop to the right.
16 To sew from the edge of thick fabric: The black button on the zigzag foot locks the foot in the horizontal position. This is helpful when starting sewing from the extreme edge of thick fabrics or sewing across a hem. Lower the needle into the fabric at the point where you wish to start sewing.
17 #01, #02 Straight stitch: Zigzag foot A Pattern #01 is for seaming and for zipper sewing. Pattern #02 is for seaming edge of fabrics. #03 Lock-a-matic stitch: Zigzag foot A Use this stitch to secure the beginning and the end of a seam with backstitching.
18 Altering the stitch length The stitch length can be altered between 0.0 and 5.0. Press the mode key to activate stitch length adjustment (the bottom green light lights up). The preset value 2.0 will be indicated. Press the plus (+) key to increase the stitch length.
19 q q Va riety of Overcasting Stitches Multiple zigzag stitch (T ricot stitch) This stitch is used to finish a raw edge of synthetics and other stretch fabrics that tend to pucker . Sew along the fabric edge leaving an adequate seam allowance. After sewing, trim the seam allowance close to the stitches.
20 Double overedge stitch This is an excellent stitch for fabrics that tend to fray extensively such as linens and gabardines. T wo rows of zigzag stitches are simultaneously sewn over the edge to insure that fabric will not ravel. Place the fabric edge next to the guide of the foot and then sew .
21 Buttonholes V ariety of buttonholes #06 Square buttonhole This square buttonhole is widely used on medium to heavy weight fabrics. The buttonhole size is automatically determined by placing a button in the rear of the foot.
22 To sew 1P ress the up/down needle button to raise the needle. Attach the automatic buttonhole foot R snapping the pin into the groove of the foot holder . q Groove w Pin 2 Pull the button holder to the back, and place the button in it. Push it together tightly to the button.
23 5 Start the machine to sew the buttonhole. The buttonhole will be automatically sewn. Step 1 : The machine will sew the front bartack and the left row first. Then it goes back to the starting point with straight stitch. Step 2 : The machine will sew the right row .
24 Altering the buttonhole width Press the mode key to activate the stitch width adjustment. Press the plus (+) key to increase the buttonhole width. Press the minus (–) key to decrease the buttonhole width. q Narrower buttonhole w Wider buttonhole * The width can be altered between 2.
25 Round-end buttonhole Press the mode key to activate the stitch width adjustment. Press the plus (+) key to increase the buttonhole width. Press the minus (–) key to decrease the buttonhole width. q Narrower buttonhole w Wider buttonhole * The width can be altered between 2.
26 5 Remove the fabric from the machine and cut the sewing threads. 6 Pull the left end of the filler cord to tighten it. Thread the end of the cord through a darning needle and draw it to the wrong side of the fabric and cut. Corded buttonhole To sew a corded buttonhole, follow the same procedure as for a square buttonhole.
27 Button Sewing Unthread the needle thread. Adjust the stitch width so that the needle enters both holes in the button. Place a button on the fabric and lower the needle by turning the handwheel, so that the needle enters into the left hole in the button.
28 q w e r y u t Darning Pull the button holder to the rear . Place the fabric under the foot. Press the up/down needle button twice. Pull the fabric from the left to draw both threads under the foot and place the fabric back under the foot. Lower the needle at the starting point then lower the foot.
29 Zipper Sewing Attaching the zipper foot (A) Attach zipper foot E with the pin on the right- hand side to the groove to sew the left side of the zipper . (B) Attach zipper foot E with the pin on the left- hand side to the groove to sew the right side of the zipper .
30 4 Close the zipper and spread the fabric open flat with the right side up. Baste the upper fabric and zipper tape together . !0 Basting 5R eattach zipper foot E with the left pin. Sew 1 cm (3/8") across the end of the opening with reverse stitches.
31 Blind Hem Machine settings q Stitch pattern: #15 or #16 w Foot: Blind hem foot G (optional item) q w w q e r t y 1 2 3 4 Starting to sew 1O n heavy weight fabrics that ravel, the raw edge should be overcast first. Fold the hem leaving a 0.4 – 0.7 cm margin as illustrated.
32 Knit Stitch This stitch is recommended for sewing such fabrics as synthetic knits and stretch velour as it provides the greatest amount of elasticity and strength. Sew along the fabric edge leaving an adequate seam allowance. After sewing, trim of f the seam allowance close to the stitches.
33 Patchwork Machine Settings q Pattern: #34 or #38 w Presser foot: Satin stitch foot F Applique Sewing Place the applique on the fabric and baste it in place. Sew , guiding the edge of the applique along the slit on the foot, so that the needle falls off the edge of the applique when it swings to the right.
34 Fagoting Machine Settings q Pattern: #41 or #42 w Presser foot: Satin stitch foot F Smocking Machine Settings q Pattern: #36 or #43 to #45 w Presser foot: Satin stitch foot F Smocking is a delicate, decorative treatment on children’s clothes or women’s blouses.
35 q Pattern Combination To combine 2 units of pattern #27 and one unit of pattern #47: 1 Sew pattern #27 and press the auto-lock button while sewing the second unit. The machine will stop automatically when the second unit is completed. q Auto-lock button 2S elect pattern #47.
36 Replacing the Light Bulb WARNING: Turn the power off before replacing the light bulb. The bulb could be HOT, wait until it has cooled down before touching it. To remove: Remove the cap and setscrew. Unhook the hook from the rear cover and remove the faceplate.
37 Cleaning the Hook Race W ARNING: T urn 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. 1 Remove the setscrew on the needle plate with a screwdriver .
38 The power is turned on with the foot control not being connected. The foot control is disconnected while sewing. Connect the foot control and restart the machine. Problems and W arning Signals If a buzzer sounds and the indicator shows a warning sign, follow the guidance below .
39 Condition Cause Reference The needle breaks. Skipped stitches Seam puckering The cloth is not fed smoothly . The needle thread breaks. The bobbin thread breaks. 1. The needle thread is not threaded properly . 2. The needle thread tension is too tight.
843-800-728 (E) Printed in T aiwan.
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