Singer HD 6380 Sewing Machine Manual

The Singer HD 6380 is a heavy-duty sewing machine designed for home use, featuring a powerful motor, 110 built-in stitches, automatic needle threader, top drop-in bobbin, adjustable stitch length and width, built-in buttonholer, 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 Settings 6. Stitch Selection and Adjustments 8. Maintenance and Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Heavy-duty metal frame, LED work light, automatic needle threader, top drop-in bobbin system, stitch selection dial, reverse stitch button, free arm, accessory storage compartment.

Feature	Description
Built-in Stitches	110 stitches including utility, decorative, and stretch
Automatic Needle Threader	Easily threads needle with lever mechanism
Top Drop-in Bobbin	Quick and easy bobbin loading with clear cover
Heavy-Duty Metal Frame	Provides stability and reduces vibration
Free Arm	Removable accessory tray for sewing cuffs and sleeves
Adjustable Stitch Length/Width	Customize stitch size for different fabrics
Built-in Buttonholer	One-step automatic buttonhole
LED Work Light	Bright illumination of sewing area
Reverse Stitch Lever	Secures stitches at beginning and end
Accessory Storage	Built-in compartment for presser feet and tools

Unpacking and Setup

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

Remove machine from packaging: Carefully lift machine from box.
Attach power cord: Plug into machine and then into wall outlet.
Install foot controller: Connect to machine port.
Wind and insert bobbin: Follow threading diagram.
Thread upper thread: Use automatic needle threader.
Attach presser foot: Snap onto presser foot holder.

WARNING! Machine is heavy; lift with care to avoid injury. Ensure all connections are secure before powering on.

First-Time Operation

Power on machine; follow initial setup steps.

Select straight stitch: Turn stitch selection dial to position 1.
Test on scrap fabric: Use medium-weight cotton for initial test.
Adjust stitch length: Set to 2.5mm for general sewing.
Practice reverse stitching: Press reverse lever to secure stitches.
Experiment with tension: Adjust thread tension if needed.
Try automatic needle threader: Lower lever to thread needle.

CAUTION! Keep fingers away from moving needle. Always turn off machine when changing presser feet or needles.

Specifications

Model: Singer HD 6380
Stitches: 110 built-in stitches
Stitch Length: Adjustable up to 4mm
Stitch Width: Adjustable up to 5mm
Buttonholes: One-step automatic
Bobbin: Top drop-in, Class 15 transparent
Needle: HAx1 sewing machine needle
Presser Feet: Includes all-purpose, zipper, buttonhole, button sewing, blind hem, overcasting
Power Source: 120V AC, 60Hz
Motor: Heavy-duty 0.8 amp
Weight: 14.3 lbs (6.5 kg)
Warranty: 25-year limited warranty

Controls and Settings

Main controls: Power switch, stitch selection dial, stitch length dial, stitch width dial, reverse stitch lever, thread tension dial.

Stitch Selection: Turn dial to select from 110 stitches (1-10: basic, 11-30: stretch, 31-110: decorative). Stitch Length: Adjust from 0-4mm (0 for darning, 4 for basting). Stitch Width: Adjust from 0-5mm for zigzag and decorative stitches. Thread Tension: Adjust dial (3-5 for normal sewing). Reverse Stitch: Press lever to sew backwards. Presser Foot Pressure: Adjustable for different fabric thicknesses.

Stitch Selection and Adjustments

Select appropriate stitch for your project.

Basic stitches (1-10): Straight, zigzag, blind hem, stretch stitches.
Decorative stitches (11-110): Scallops, waves, leaves, flowers, quilting patterns.
Buttonhole: Position 11, one-step automatic with sensor.
Adjust length/width: Use dials to customize stitch appearance.
Test on scrap: Always test stitch on fabric scrap before sewing project.
Change presser foot: Different feet required for different stitches.

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

Maintenance and Cleaning

Regular maintenance ensures optimal performance.

Daily: Brush out lint from bobbin area and feed dogs.
Weekly: Oil machine according to diagram in manual (2-3 drops only).
Monthly: Clean inside of machine with soft brush.
Needle: Replace after 8 hours of sewing or if damaged.
Bobbin case: Remove and clean lint buildup.
Exterior: Wipe with soft, dry cloth.

WARNING! Unplug machine before cleaning or maintenance. Use only Singer recommended oil.

Regulatory Information

UL Listed: Certified for safety standards. FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Singer Manufacturing Company. All rights reserved. For support, visit www.singer.com or contact 1-800-4-SINGER. Made in Vietnam.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord connections; ensure foot controller is plugged in.
Needle breaks	Wrong needle/thread	Use correct needle for fabric; ensure needle is properly inserted.
Thread bunching	Incorrect threading	Rethread top and bobbin threads; check bobbin insertion.
Uneven stitches	Tension issues	Adjust thread tension; rethread completely.
Machine skips stitches	Dull/bent needle	Replace needle; ensure correct needle type for fabric.
Fabric not feeding	Feed dogs lowered	Check feed dog position; clean lint from feed dogs.
Noisy operation	Lint buildup	Clean bobbin area; oil machine according to manual.
Buttonhole not forming	Improper setup	Use buttonhole foot; follow buttonhole steps precisely.

Reset: Unplug machine for 5 minutes to reset electronic components.

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