Manual for Singer Sewing Machine 4452

The Singer Sewing Machine 4452 is a heavy-duty, computerized sewing machine featuring 32 built-in stitches, automatic needle threader, adjustable stitch length and width, drop-in bobbin system, built-in needle plate, top drop-in bobbin, free arm capability, and multiple presser feet. Powered by 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Computerized control panel, Automatic needle threader, Drop-in bobbin system, Free arm, Multiple presser feet, Built-in stitch patterns.

Installation & Setup

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

1. Remove all packaging materials and protective covers.
2. Attach foot pedal: Connect pedal cord to machine port.
3. Plug power cord into machine and then into 120V AC outlet.
4. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
5. Attach presser foot: Raise presser foot lever, snap foot into place.

WARNING! Keep fingers away from needle area during setup and operation. Ensure machine is unplugged during needle installation.

First-Time Use

Power on machine; follow threading guide.

1. Wind bobbin: Place thread on spool pin, guide through bobbin winding tension, press bobbin winder.
2. Insert bobbin: Drop bobbin into case with thread clockwise; pull thread through slot.
3. Thread upper needle: Use automatic threader or follow numbered guides on machine.
4. Select stitch: Turn stitch selection dial to desired pattern.
5. Test sew: Use scrap fabric to adjust tension and stitch settings.

CAUTION! Always turn handwheel toward you (counterclockwise) to avoid timing issues.

Specifications

• Model: Singer 4452 Heavy Duty.
• Stitches: 32 built-in stitches (6 basic, 7 stretch, 19 decorative).
• Max Stitch Length: 4mm.
• Max Stitch Width: 5mm.
• Speed: Up to 1,100 stitches per minute.
• Bobbin: Class 15 transparent, top drop-in.
• Needle: HAx1 sewing needle, size 14/90 included.
• Presser Feet: 4 included (all-purpose, zipper, buttonhole, button sewing).
• Power Source: 120V AC, 60Hz.
• Warranty: 25-year limited warranty.

Controls and Settings

Access controls via front panel and dials. Front Panel: Power switch, Stitch selection dial, Stitch length dial (0-4mm), Stitch width dial (0-5mm), Reverse stitch button, Needle up/down button.

Additional Features: Automatic needle threader lever, Bobbin winder spindle, Thread tension dial (0-9), Presser foot pressure dial (for heavy fabrics).

Stitch Selection: Turn dial to corresponding stitch number (chart in manual). Stitch Length: Adjust for fabric type (shorter for fine fabrics, longer for basting). Stitch Width: Adjust for zigzag and decorative stitches. Tension: Default setting 4; adjust if stitches are loose or tight.

Stitch Selection & Functions

Select from 32 stitches for various fabrics and projects.

1. Straight Stitch (1-3): For seams, topstitching; adjust length.
2. Zigzag Stitch (4-6): For finishing edges, appliqué; adjust width.
3. Stretch Stitches (7-13): For knits and elastic fabrics.
4. Decorative Stitches (14-32): For embellishments; use stabilizer.
5. Buttonhole (23): One-step automatic buttonhole; use buttonhole foot.
6. Blind Hem (20): For invisible hems; fold fabric as guided.

Tip: Always test stitch on fabric scrap before starting project.

Threading & Bobbin Winding

Proper threading ensures smooth operation.

1. Upper Threading: Follow numbered path on machine; use automatic threader by pushing lever down and hooking thread.
2. Bobbin Winding: Place thread on spool pin, guide through bobbin winding tension, place bobbin on spindle, push to right, press foot pedal.
3. Inserting Bobbin: Drop bobbin into case with thread unwinding clockwise; pull thread through slot and under tension spring.
4. Drawing Up Bobbin Thread: Hold upper thread, turn handwheel toward you until needle goes down and up; pull thread to bring bobbin thread up.

WARNING! Ensure presser foot is raised when threading upper thread to open tension discs.

Maintenance & Cleaning

Unplug machine before maintenance. Clean lint and dust regularly.

1. Remove needle plate: Use screwdriver to loosen screws, lift plate.
2. Clean feed dogs and bobbin area: Use small brush to remove lint.
3. Oil machine: Apply 1-2 drops of sewing machine oil to hook race and moving parts as per manual (do not over-oil).
4. Wipe exterior: Use soft, dry cloth.

CAUTION! Do not use compressed air; it can force lint into mechanics. Use only Singer-recommended oil.

Accessories Included

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Singer Manufacturing Company. Trademarks of Singer Limited. For support, visit www.singer.com or contact 1-800-4-SINGER. UL Listed for safety.

Troubleshooting

Reset: Turn power off and on to reset computerized settings.

Service: 1-800-4-SINGER; www.singer.com for authorized service centers.