NH1722S Instruction Manual IMPORTANT SAFETY INSTRUCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the following: 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. Always unplug this sewing machine from the electric outlet immediately after using and before cleaning.
NH1722S Instruction Manual TABLE OF CONTENTS SECTION 1. NAMES OF PARTS Use the Seam Guides ............17 Names of Parts ................ 2 Turn a Square Corner ............17 Standard Accessories .............. 3 Variable Needle Position ............18 Topstitching ................18 SECTION 2.
NH1722S Instruction Manual SECTION 2. GETTING READY TO SEW Connecting Machine to Power Supply Power supply plug Power switch Outlet Machine socket Machine plug Sewing light Before connecting the power cord, make sure the voltage and frequency shown on the machine conform to your electrical power.
NH1722S Instruction Manual Setting Spool Pins Spool pin The spool pins are used for holding the spools of thread when feeding the thread to the machine. To use, pull up the spool pins. Push down for storage. Presser Foot Lifter...
NH1722S Instruction Manual Extension Table • Detaching the table Pull the table away from the machine, as illustrated, for “free-arm” sewing of cuffs and sleeves. • Attaching the table Push the extension table until it snaps into the machine. Extension table...
NH1722S Instruction Manual Changing Presser Foot Lever Groove • To remove Turn the handwheel toward you to raise the needle to its highest position. Raise the presser foot. Press the lever on the back of the foot holder. The presser foot will drop off.
NH1722S Instruction Manual • Straight stitch foot Use this foot exclusively for straight stitching with the center needle position. For:Straight stitch (page 17) Topstitching (page 18) Straight stretch (page 28) • Satin stitch foot Use this foot for satin stitch and outlining applique.
NH1722S Instruction Manual Selecting Needle and Fabric For general sewing, use needle sizes 11 or 14. A fine thread and needle should be used for sewing lightweight fabrics, so the fabric will not be marred. Heavy fabrics require a needle large enough to pierce the fabric without fraying the needle thread.
NH1722S Instruction Manual Bobbin Winding • Removing bobbin case Remove the extension table from the machine by pulling it to the left. Open the shuttle cover by pulling down the embossed part on the left of the cover. Raise the needle to its highest position by rotating the handwheel toward you.
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NH1722S Instruction Manual Bobbin winding (continued) Push the bobbin to the right. With the free end of the thread held in your hand, depress the foot control. Stop the machine when the bobbin has made a few turns, and cut the thread close to the hole in the bobbin.
NH1722S Instruction Manual • Inserting bobbin Place a bobbin in the bobbin case, making sure the thread feeds clockwise from the bobbin. Draw the thread through the slot of the case. Continue to draw the thread under the tension spring and through the opening.
NH1722S Instruction Manual Threading the Machine • Threading the machine * Raise the thread take-up lever to its highest position by turning the handwheel counterclockwise. * Raise the presser foot lifter. * Place a spool on the spool pin, with thread coming off as shown.
NH1722S Instruction Manual • Drawing up bobbin thread Raise the presser foot. Hold the needle thread lightly with your left hand. Rotate the handwheel counterclockwise, toward you, for one complete turn. Bring the bobbin thread up by pulling the needle thread up.
NH1722S Instruction Manual • Tension is too loose Needle thread (Top thread) Bobbin thread (Bottom thread) To tighten Right side (Top side) of fabric Wrong side (Bottom side) of fabric If the needle thread shows through on the wrong side...
NH1722S Instruction Manual Stitch Pattern Selector Setting mark Stitch pattern selector The stitch pattern selector determines the stitch you select. NOTE: To avoid needle or fabric damage, make sure the needle is up and out of the fabric while selecting a stitch.
NH1722S Instruction Manual Variable Needle Position When the straight stitch (pattern 1) is selected, you can move the needle between center and left needle position by sliding the stitch width control. Topstitching Stitch pattern selector: 1 or 2 Presser foot:...
NH1722S Instruction Manual Zipper Sewing (Continued) • To sew 1/8" (0.4cm) fabric margin Zipper teeth (1/8") Zipper tape (0.4 cm) Forward edge of zipper foot Sewing direction Fold back the upper layer seam allowance. Fold back the lower layer seam allowance to leave a 1/8" (0.4 cm)
NH1722S Instruction Manual To Drop or Raise the Feed Dogs To drop the feed dogs, press the lever in the direction of the arrow, as illustrated. To raise the feed dogs, push the lever in the direction of the arrow, as illustrated, and turn handwheel towards you.
NH1722S Instruction Manual SECTION 4. ZIGZAG STITCH SEWING Basic Zigzag Stitch pattern selector: 3 Presser foot: Zigzag foot Needle thread tension: 2 to 5 Stitch length control: 0.5 to 4 Stitch width control: The zigzag stitch is one of the most common and versatile stitches.
NH1722S Instruction Manual Monogramming Stitch pattern selector: 3 Presser foot: Satin stitch foot Needle thread tension: 1 to 4 Stitch length control: 0.5 to 1 Stitch width control: Attach a piece of stabilizer on the wrong side (Bottom side) of the fabric.
NH1722S Instruction Manual Bar Tacking Stitch pattern selector: 3 Presser foot: Satin stitch foot Needle thread tension: 1 to 4 Stitch length control: 0.5 to 1 Stitch width control: STRETCH This is similar to a very short satin stitch, and is used to reinforce points of strain, such as corners, pockets and straps of lingerie.
NH1722S Instruction Manual Overcasting Stitch Stitch pattern selector: 3 Presser foot: Zigzag foot Needle thread tension: 1 to 4 Stitch length control: 1 to 2 Stitch width control: This stitch is useful in garment construction, and in finishing the raw edges of any sewing project.
NH1722S Instruction Manual Shell Stitch Stitch pattern selector: 7 Presser foot: Zigzag foot Needle thread tension: 6 to 8 Stitch length control: 2 to 3 Stitch width control: Use a lightweight fabric, such as tricot. Fold the fabric and stitch on the bias .
NH1722S Instruction Manual Box Stitch Stitch pattern selector: 8 Presser foot: Zigzag foot Needle thread tension: 1 to 4 Stitch length control: 0.5 to 2 Stitch width control: Overlap two raw edges of heavy weight interlining, and use this stitch to join them.
NH1722S Instruction Manual Overcast Stretch Stitching Stitch pattern selector: 5 or 6 Presser foot: Zigzag foot Needle thread tension: 1 to 4 Stitch length control: STRETCH (S Stitch width control: This stitch is for sewing a seam with an overcast finish. It is used when making swim wear, ski pants and other garments which require stretch.
NH1722S Instruction Manual Serging Stitch pattern selector: Presser foot: Zigzag foot Needle thread tension: 1 to 4 Stitch length control: STRETCH (S Stitch width control: This stitch is ideal for 1/4” (0.6 cm) seams on knits or on medium to heavy weight woven fabrics where you want a narrow seam.
NH1722S Instruction Manual Decorative Stretch Patterns Stitch pattern selector: 9 — 12 Presser foot: Zigzag foot Needle thread tension: 1 to 4 Stitch length control: STRETCH (S Stitch width control: Decorative stretch patterns are used for adding a creative and personalized touch to items. You can decorate children’s clothes, women’s blouses, curtains, etc.
NH1722S Instruction Manual SECTION 7. BUTTONHOLE Buttonhole q Pattern selector: w Presser foot: Automatic buttonhole foot e Thread tension: 1 to 5 r Stitch length control: (0.25 to 1) t Stitch width control: • Preparation for sewing Groove Attach the automatic buttonhole foot R. Insert needle thread through hole in foot before attaching foot to foot holder.
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NH1722S Instruction Manual Mark for placement of buttonhole Starting point Slider There should be no gap. Spring holder Difference Draw both threads to the left under the foot. Insert the garment under the foot, and lower the needle into the fabric to the starting point.
NH1722S Instruction Manual • To adjust buttonhole stitch density Set the stitch length control between 0.25 and 1.0 to adjust the buttonhole stitch density. STRETCH Corded Buttonhole Use the same procedure as the automatic buttonhole procedure. * Set the stitch width to match the thickness of the cord used.
NH1722S Instruction Manual SECTION 8. CARE OF YOUR MACHINE NOTE: * Unplug the machine. * Do not dismantle the machine other than as explained in this section. * Do not store the machine in a high-humidity area, near a heat radiator or in direct sunlight.
NH1722S Instruction Manual Cleaning the Shuttle Race This area must be kept free of dust, lint and tangled thread. Clean the shuttle race area every three months. • Cleaning the shuttle area Bobbin case Levers Shuttle race cover Shuttle Shuttle race Center pin on the shuttle 1.
NH1722S Instruction Manual Oiling the Machine NOTE: Unplug the machine before oiling. • Oil behind the face cover Open the face cover and oil the two points, as shown, at least once a year. One or two drops of oil is sufficient.
NH1722S Instruction Manual Troubleshooting Condition Cause Reference The needle thread Page 13 1. The needle thread is not threaded properly. breaks. Pages 14, 15 2. The needle thread tension is too tight. Page 6 3. The needle is bent or blunt.