Singer Heavy Duty 6380 Manual

The Singer Heavy Duty 6380 is a robust sewing machine designed for handling tough fabrics like denim, leather, and canvas. It features a powerful motor, 110 built-in stitches, automatic needle threader, top drop-in bobbin, adjustable presser foot pressure, and a heavy-duty metal frame for stability. 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 and Applications 7. Threading and Bobbin Winding 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Heavy-duty metal frame, automatic needle threader, top drop-in bobbin system, LED lighting, stitch selection dial, reverse stitch lever, adjustable presser foot pressure, and accessory storage compartment.

Feature	Description
Motor	High-performance motor for sewing through multiple layers
Stitches	110 built-in stitches including basic, decorative, and stretch
Needle Threader	Automatic for easy threading
Bobbin System	Top drop-in, jam-resistant
Presser Foot Pressure	Adjustable for different fabric thicknesses
Feed Dogs	Drop feed for free-motion sewing
Lighting	LED light for bright work area
Accessories	Included: All-purpose foot, zipper foot, buttonhole foot, seam ripper, needles, bobbins
Power	120V AC, 60Hz
Warranty	25-year limited warranty

Unpacking and Setup

Unpack and inspect contents. Place on stable table.

Remove machine from box: Lift by carrying handle; remove all packaging.
Attach foot pedal: Connect pedal cord to machine port.
Plug into power: Connect power cord to machine and wall outlet.
Install needle: Loosen needle clamp screw, insert needle flat side back, tighten.
Wind bobbin: Follow bobbin winding instructions.
Insert bobbin: Place bobbin in bobbin case with thread running counterclockwise.

WARNING! Machine is heavy; use two people for lifting. Keep fingers away from needle during operation.

First-Time Operation

Power on machine; follow threading guide.

Thread machine: Use automatic needle threader or manual threading path.
Select stitch: Turn stitch selection dial to desired stitch number.
Adjust stitch length/width: Use dials for customization.
Test on scrap fabric: Check tension and stitch quality.
Adjust presser foot pressure: For thick fabrics, increase pressure; for delicate fabrics, decrease.

CAUTION! Always unplug machine when changing needles or performing maintenance.

Specifications

Type: Heavy Duty Electronic Sewing Machine
Model: 6380
Stitches: 110 built-in stitches
Stitch Width: Up to 6mm
Stitch Length: Up to 4mm
Speed: Up to 1100 stitches per minute
Needle Positions: Adjustable left, center, right
Bobbin: Class 15 transparent top drop-in
Lighting: LED
Power Supply: 120V AC, 60Hz
Dimensions: 15.5" x 7.5" x 12"
Weight: 14.55 lbs

Controls and Settings

Access controls via front panel. Stitch Selection Dial: Choose stitch pattern (1-110). Stitch Length Dial: Adjust from 0-4mm. Stitch Width Dial: Adjust from 0-6mm. Reverse Stitch Lever: Hold for backstitching. Needle Up/Down Button: Set needle position. Presser Foot Pressure Dial: Adjust for fabric thickness.

Display: Shows selected stitch number. LED Light: Illuminates work area. Foot Pedal: Controls sewing speed.

Settings: Thread tension dial (adjust for balanced stitches), feed dog drop lever (for free-motion sewing), bobbin winding disengage.

Stitch Selection and Applications

Stitch groups: Basic (straight, zigzag), Decorative, Stretch, Buttonholes (one-step).

Straight stitch: For seams, topstitching; adjust length for fabric.
Zigzag stitch: For finishing edges, appliqué; adjust width and length.
Stretch stitches: For knits and elastic fabrics.
Decorative stitches: For embellishments; use stabilizer.
Buttonhole: One-step automatic; use buttonhole foot.

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

Threading and Bobbin Winding

Supports standard thread and bobbin winding.

Threading: Place spool on pin, follow threading guide to needle, use automatic needle threader.
Bobbin winding: Place spool on pin, thread through bobbin winder tension, place bobbin on winder, press foot pedal to wind.
Insert bobbin: Open bobbin cover, drop bobbin in case with thread counterclockwise, pull thread through slot.
Draw up bobbin thread: Hold needle thread, turn handwheel toward you to bring up bobbin thread.

WARNING! Ensure machine is off when threading. Do not force dials or levers.

Care & Maintenance

Unplug before cleaning. Remove lint and dust regularly.

Cleaning: Use small brush to remove lint from bobbin area and feed dogs.
Oiling: Apply sewing machine oil to hook race and moving parts as per manual (do not over-oil).
Needle replacement: Replace needle after every project or if bent/dull.
Storage: Cover machine when not in use; store in dry place.

CAUTION! Use only Singer recommended oil. Do not use compressed air to clean.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine not running	Power connection	Check power cord; ensure foot pedal is connected; check outlet.
Thread breaking	Tension/needle	Rethread; adjust tension; replace needle; check for burrs on throat plate.
Uneven stitches	Threading/tension	Rethread top and bobbin; clean machine; adjust tension.
Fabric not feeding	Feed dogs	Ensure feed dogs are raised; clean feed dogs; check presser foot pressure.
Needle hitting throat plate	Needle bent/incorrectly inserted	Replace needle; ensure needle is fully inserted and tight.
Bobbin thread bunching	Bobbin threading	Rethread bobbin; ensure bobbin is inserted correctly.
Noisy operation	Lint/lack of oil	Clean and oil machine; check for loose parts.

Reset: Unplug machine for 1 minute to reset electronics if display malfunctions.

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