Manual for Singer Sewing Machine Model M3220

The Singer M3220 is a versatile mechanical sewing machine designed for home use, featuring 32 built-in stitches, a 4-step buttonhole, adjustable stitch length and width, built-in needle threader, drop-in bobbin system, free arm capability, and multiple presser feet. Powered by 120V AC, 60Hz. 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 Functions 6. Stitch Selection and Settings 7. Threading and Bobbin Winding 9. Maintenance and Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Mechanical sewing machine body, foot pedal, power cord, accessory kit, presser feet, bobbins, needles, seam ripper, and instruction manual.

Feature	Description
Built-in Stitches	32 stitches including utility, decorative, and stretch
Buttonhole	4-step buttonhole for consistent results
Needle Threader	Built-in automatic needle threader
Bobbin System	Top drop-in bobbin with clear cover
Stitch Length/Width	Adjustable via dial controls
Free Arm	Removable storage compartment for free arm sewing
Presser Feet	Includes all-purpose, buttonhole, zipper, and button sewing feet
Power Switch	On/off switch with built-in light
Reverse Stitch	Reverse lever for reinforcing stitches
Tension Control	Adjustable thread tension dial

Unpacking and Setup

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

Remove machine from packaging and place on table.
Attach foot pedal: Connect pedal cable to machine port.
Connect power: Plug power cord into machine and wall outlet.
Install needle: Loosen needle clamp, insert needle with flat side to back, tighten.
Install bobbin: Wind bobbin, place in bobbin case following diagram.

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

First-Time Operation

Power on machine; follow threading guide.

Thread upper thread: Follow numbered path on machine; use built-in threader.
Pull up bobbin thread: Hold upper thread, turn handwheel toward you to bring up bobbin thread.
Select stitch: Turn stitch selection dial to desired pattern.
Adjust settings: Set stitch length and width as needed.
Test sew: Place fabric under presser foot, lower foot, and gently press pedal.

CAUTION! Always turn off and unplug machine when not in use or when changing accessories.

Specifications

Model: Singer M3220 Mechanical Sewing Machine.
Stitches: 32 built-in stitches.
Buttonhole: 4-step manual buttonhole.
Speed: Up to 750 stitches per minute.
Presser Feet: 4 included (all-purpose, buttonhole, zipper, button sewing).
Bobbin: Class 15 transparent bobbin.
Needle: Standard domestic sewing machine needles.
Power Source: 120V AC, 60Hz.
Dimensions: Compact design with free arm capability.
Warranty: 25-year limited warranty.

Controls and Functions

Access controls via front and top panels. Front Panel: Stitch selection dial, stitch length dial, stitch width dial, reverse stitch lever.

Top Panel: Handwheel, bobbin winder, tension control, built-in light, power switch.

Stitch Selection: Turn dial to select from 32 stitches (numbered 1-32). Stitch Length: Adjust from 0-4 mm. Stitch Width: Adjust from 0-5 mm for zigzag and decorative stitches. Tension: Adjust dial (higher numbers for tighter tension). Reverse: Hold lever for backward stitching.

Stitch Selection and Settings

Use stitch selection dial to choose from 32 stitches including straight, zigzag, stretch, and decorative patterns.

Turn machine off before changing stitch selection.
Match stitch type to fabric (e.g., straight for seams, zigzag for finishing).
Adjust length: Shorter for finer fabrics, longer for basting.
Adjust width: Narrow for lightweight fabrics, wider for decorative effects.
Test on scrap fabric before sewing project.

Tip: Refer to stitch guide on machine for recommended settings.

Threading and Bobbin Winding

Supports standard thread and Class 15 bobbins.

Wind bobbin: Place thread on spool pin, guide through bobbin winder tension, place empty bobbin on winder, push to engage, press pedal.
Insert bobbin: Place wound bobbin in case with thread running counterclockwise, pull thread through slot.
Thread upper thread: Follow numbered path from spool to needle.
Use needle threader: Push lever down to hook thread through needle eye.
Pull up bobbin thread: Hold upper thread, turn handwheel toward you.

WARNING! Always use correct bobbin type. Do not force thread through tension disks.

Maintenance and Cleaning

Unplug before maintenance. Clean lint from bobbin area and feed dogs regularly.

Remove needle plate screws and lift plate.
Use small brush to remove lint from bobbin area and feed dogs.
Oil moving parts as per manual instructions (use sewing machine oil only).
Replace needle regularly (every 8-10 hours of sewing).

CAUTION! Do not use compressed air; it can force lint deeper. Never oil plastic parts.

Regulatory Information

UL Listed: Complies with safety standards for household sewing machines. Copyright © 2024 Singer Manufacturing Company. For support, visit www.singer.com or contact 1-800-4-SINGER. Made for household use only.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine not running	Power/pedal	Check power switch; ensure pedal is plugged in; test outlet.
Thread bunching underneath	Threading/tension	Re-thread upper and bobbin threads; adjust tension; check bobbin insertion.
Needle breaking	Needle/bobbin	Replace bent needle; ensure correct needle type; check bobbin area for obstructions.
Uneven stitches	Tension/thread	Adjust tension dial; use same weight thread top and bottom.
Machine skipping stitches	Needle/thread	Replace needle; ensure proper threading; check needle size for fabric.
Buttonhole not forming	Settings/foot	Use buttonhole foot; follow 4-step sequence; stabilize fabric.

Reset: Turn off, unplug, wait 30 seconds, then restart.

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