Singer 4452 Sewing Machine Manual

The Singer 4452 is a heavy-duty sewing machine designed for both beginners and experienced sewers. It features a powerful motor, 32 built-in stitches, automatic needle threader, adjustable stitch length and width, drop-in bobbin system, and multiple presser feet for various sewing tasks. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Unpacking and Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection Guide 7. Threading and Bobbin Winding 8. Presser Feet Guide 9. Maintenance & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Heavy-duty metal frame, built-in stitch panel, automatic needle threader, drop-in bobbin system, accessory storage, and power cord.

Feature	Description
Built-in Stitches	32 stitches including basic, stretch, decorative, and buttonhole
Automatic Needle Threader	Easily threads needle with lever mechanism
Drop-in Bobbin System	Top-loading, clear cover for easy monitoring
Adjustable Stitch Length/Width	Customize stitch size for different fabrics
Heavy-Duty Motor	Powerful motor for thick fabrics and multiple layers
Presser Feet Included	All-purpose, zipper, buttonhole, button sewing feet
Free Arm	Convertible for sewing cuffs and sleeves
LED Light	Brightens sewing area
Reverse Stitch Lever	Reinforce stitches at beginning and end
Power/Speed Control	Foot pedal with adjustable speed

Unpacking and Setup

Unpack and inspect contents. Place on stable surface.

Remove machine from box: Lift by base, not by handwheel or accessories.
Attach power cord: Plug into machine and wall outlet (120V).
Install foot pedal: Connect to machine port, place on floor.
Insert needle: Loosen needle clamp screw, insert flat side toward back, tighten.
Attach presser foot: Raise presser foot lever, snap foot into place.

WARNING! Machine is heavy; lift with care. Ensure stable surface to prevent tipping.

First-Time Operation

Power on machine; follow threading guide.

Wind bobbin: Place thread spool on pin, guide thread through bobbin winder tension disc.
Thread upper thread: Follow numbered path on machine, use automatic needle threader.
Insert bobbin: Place bobbin in case with thread clockwise, pull thread through slot.
Select stitch: Turn stitch selection dial to desired pattern.
Test sew: Use scrap fabric to adjust tension and stitch settings.

CAUTION! Keep fingers away from needle during operation. Turn power off when threading.

Specifications

Model: Singer 4452 Heavy Duty.
Stitches: 32 built-in stitches.
Speed: Up to 1,100 stitches per minute.
Needle: Singer 2020, size 14/90 included.
Bobbin: Class 15 transparent bobbin.
Presser Feet: 4 included (all-purpose, zipper, buttonhole, button sewing).
Power Supply: 120V AC, 60Hz.
Warranty: 25-year limited warranty.
Weight: 14.5 lbs (6.6 kg).

Controls and Settings

Access controls via front panel. Stitch Selection Dial: Turn to choose stitch pattern. Stitch Length Dial: Adjust from 0-4 mm. Stitch Width Dial: Adjust from 0-5 mm (for zigzag and decorative stitches). Reverse Stitch Lever: Hold down for backward sewing. Thread Tension Dial: Adjust for different fabrics (3-5 for medium weight).

Additional Features: Automatic needle threader lever, bobbin winder stop, drop feed lever for free-motion sewing, presser foot pressure dial (for heavy fabrics).

Stitch Selection Guide

Stitch chart located on machine. Basic stitches: Straight stitch (1-4), zigzag (5-7). Stretch stitches: For knits and elastic fabrics (8-12). Decorative stitches: For embellishments (13-24). Buttonhole: One-step automatic buttonhole (25-32).

Select stitch number on dial.
Adjust length and width as needed.
Test on fabric scrap before sewing project.

Tip: Refer to manual stitch guide for recommended fabric types.

Threading and Bobbin Winding

Upper Threading:

Raise presser foot and needle to highest position.
Place thread spool on pin, follow numbered path (1-6).
Use automatic needle threader: Push lever down, hook thread, release lever.

Bobbin Winding:

Place empty bobbin on winder shaft.
Guide thread from spool through bobbin winder tension disc.
Push bobbin winder to right, press foot pedal to wind.
Stop automatically when full; trim thread.

WARNING! Always raise needle when threading. Ensure bobbin thread is properly seated.

Presser Feet Guide

All-Purpose Foot: General sewing. Zipper Foot: Install zippers and piping. Buttonhole Foot: Automatic one-step buttonholes. Button Sewing Foot: Attach buttons. Snap-on attachment: Raise presser foot lever to change feet.

Maintenance & Cleaning

Unplug before cleaning. Remove lint from bobbin area and feed dogs with brush. Oil moving parts as per manual (use Singer oil only). Wipe exterior with dry cloth.

CAUTION! Do not use compressed air; may force lint into mechanism. Never immerse in water.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread bunching underneath	Incorrect threading/bobbin	Re-thread upper and bobbin thread; ensure bobbin inserted correctly.
Needle breaks	Wrong needle/bent needle	Replace with correct needle (Singer 2020); ensure inserted fully.
Machine not feeding fabric	Feed dogs lowered/thread jam	Raise feed dogs; clean feed dog area; check for thread jam.
Uneven stitches	Incorrect tension	Adjust thread tension dial; re-thread.
Machine not powering on	Power cord/foot pedal	Check power outlet; ensure cords fully plugged in; test foot pedal.

Reset: Unplug for 5 minutes if electronic issues occur.

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