singer sewing machine manual 4423 english

The Singer 4423 is a heavy-duty sewing machine designed for home use, featuring a powerful motor, metal frame construction, and a variety of built-in stitches. It is suitable for sewing through multiple layers of fabric, including denim and canvas. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Heavy-duty metal frame, built-in stitches, automatic needle threader, top drop-in bobbin, adjustable stitch length and width, built-in buttonhole, free arm capability.

Installation & Setup

Unpack and inspect contents. Place on a stable, flat surface.

1. Remove machine from packaging and all protective materials.
2. Attach the power cord to the machine and plug into a standard 120V AC outlet.
3. Attach the foot controller to the machine and place on the floor.
4. Install the needle: Loosen needle clamp screw, insert needle with flat side to the back, tighten screw.
5. Wind and insert the bobbin: Follow threading diagram on machine.

WARNING! Keep fingers away from moving parts, especially the needle. Always turn off and unplug the machine when not in use or when performing maintenance.

First-Time Use

Power on the machine; familiarize yourself with controls.

1. Thread the machine: Follow the numbered threading path printed on the machine. Use the automatic needle threader.
2. Insert bobbin: Place wound bobbin in bobbin case with thread running counterclockwise.
3. Raise presser foot and pull up bobbin thread.
4. Select a straight stitch for practice.
5. Place fabric under presser foot, lower presser foot lever, and gently press foot controller to start sewing.

CAUTION! Always start with the needle in the highest position. Do not pull fabric; let the feed dogs move it.

Specifications

• Model: Singer 4423 Heavy Duty.
• Stitches: 23 built-in stitches.
• Speed: Up to 1,100 stitches per minute.
• Motor: High-speed, heavy-duty.
• Frame: Metal interior frame.
• Bobbin: Class 15 transparent, top drop-in.
• Needle: Standard domestic sewing machine needle (size included).
• Presser Feet: 4 included (all-purpose, zipper, buttonhole, button sewing).
• Power Supply: 120V AC, 60Hz.
• Warranty: 25-year limited warranty.

Controls and Settings

Access stitch selection via the stitch selector dial. Front Panel: Power switch/light, stitch length dial, stitch width dial, reverse lever.

Stitch Selection: Turn dial to desired stitch number (refer to stitch chart). Stitch Length: Adjust from 0-4 (0 for shortest, 4 for longest). Stitch Width: Adjust from 0-5mm for zigzag and decorative stitches. Tension: Adjust upper thread tension dial (usually set to 4 for normal fabrics).

Buttonhole: Use the one-step buttonhole foot; machine automatically sews all four sides. Reverse Stitch: Hold reverse lever to sew backwards for reinforcement.

Stitch Selection & Techniques

Select stitches based on fabric and project.

1. Straight Stitch (1-3): For seams, topstitching; adjust length for fabric weight.
2. Zigzag Stitch (4-6): For finishing edges, sewing stretch fabrics; adjust width.
3. Decorative Stitches (7-22): For embellishments; use appropriate presser foot.
4. Buttonhole Stitch (23): One-step automatic; use buttonhole foot.
5. Free Arm Sewing: Remove accessory tray for sewing cylindrical items.

Tip: Always test stitch settings on a scrap of your project fabric first.

Threading & Bobbin Winding

Proper threading is essential for smooth operation.

1. Bobbin Winding: Place spool on spool pin, thread through bobbin winding tension disk, place empty bobbin on winder, push bobbin winder to engage, press foot controller.
2. Upper Threading: Follow numbered path: spool pin, thread guide, tension disks, take-up lever, needle threader.
3. Needle Threader: Lower lever, hook thread, raise lever to pull thread through needle eye.
4. Bobbin Insertion: Open bobbin cover, drop in bobbin with thread running counterclockwise, pull thread through slot.

WARNING! Ensure machine is off during threading. Threads must be properly seated in tension disks.

Maintenance & Cleaning

Unplug machine before any maintenance. Regular cleaning prevents lint buildup.

1. Remove needle plate screws and lift off needle plate.
2. Use small brush to remove lint from feed dogs and bobbin area.
3. Oil moving parts as per manual instructions (use only sewing machine oil).
4. Wipe exterior with soft, dry cloth.

CAUTION! Do not use compressed air; it can force lint deeper. Never oil without disconnecting power.

Regulatory Information

FCC Compliance: This device complies with Part 15 of the FCC Rules. Copyright © Singer Manufacturing Company. All rights reserved. For support, visit www.singer.com or contact Singer customer service at 1-800-4-SINGER.

Troubleshooting

Reset: Unplug machine for 60 seconds to reset electronic components.

Service: 1-800-4-SINGER; www.singer.com