Singer HD6380 Sewing Machine Manual

The Singer HD6380 is a heavy-duty sewing machine designed for home use, featuring a powerful motor, 110 built-in stitches, automatic needle threader, adjustable stitch length and width, drop-in bobbin system, adjustable presser foot pressure, built-in needle plate, and free arm capability. It operates on 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 Adjustment 8. Maintenance and Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Heavy-duty metal frame, built-in stitch panel, automatic needle threader, drop-in bobbin system, free arm, accessory storage compartment.

Feature	Description
Built-in Stitches	110 stitches including utility, decorative, and stretch stitches
Automatic Needle Threader	Easily threads needle with a simple lever action
Drop-in Bobbin System	Top-loading, jam-resistant bobbin system with clear cover
Adjustable Stitch Length/Width	Precise control for different fabric types and techniques
Free Arm	Converts for sewing sleeves, cuffs, and other tubular items
Adjustable Presser Foot Pressure	Optimized for different fabric thicknesses
Built-in Needle Plate	Includes seam guides for accurate stitching
Powerful Motor	Heavy-duty motor for consistent performance through multiple layers
LED Lighting	Bright illumination of sewing area
Accessory Storage	Built-in compartment for feet, needles, and tools

Unpacking and Setup

Carefully unpack all components and place on stable surface.

Remove machine from packaging: Lift by carrying handle, not by free arm.
Install foot controller: Plug into machine port, then into power outlet.
Install needle: Use screwdriver to loosen needle clamp, insert needle with flat side to back, tighten securely.
Wind bobbin: Place thread on spool pin, follow threading guide, wind bobbin using bobbin winder.
Insert bobbin: Drop bobbin into compartment with thread unwinding counterclockwise.
Thread machine: Follow numbered threading path, use automatic needle threader.
Plug into power: Use 120V AC outlet.

WARNING! Machine is heavy; use proper lifting technique. Keep fingers away from needle during operation.

First-Time Operation

Power on machine; test on scrap fabric first.

Select straight stitch: Turn stitch selector to position 1.
Adjust stitch length: Set to medium (2.5-3.0) for general sewing.
Place fabric: Lower presser foot using lever.
Start sewing: Press foot controller gently to begin.
Reverse stitching: Press reverse button to secure beginning and end of seams.
Change stitches: Turn selector dial while machine is stopped.

CAUTION! Always turn handwheel toward you to avoid timing issues. Unplug when not in use.

Specifications

Model: Singer HD6380 Heavy Duty
Stitches: 110 built-in stitches
Stitch Length: Adjustable up to 4mm
Stitch Width: Adjustable up to 5mm
Speed: Up to 1,100 stitches per minute
Bobbin: Class 15 transparent top-loading
Needle: HAx1 sewing machine needles
Presser Feet: Includes all-purpose, zipper, buttonhole, button sewing feet
Power Source: 120V AC, 60Hz
Warranty: 25-year limited warranty

Controls and Settings

Main controls: Stitch selection dial, stitch length dial, stitch width dial, reverse stitch button, thread tension dial.

Stitch Selection: Turn dial to choose from 110 stitches (1-36: utility; 37-80: decorative; 81-110: stretch).

Stitch Length: Controls distance between stitches (0-4mm). Lower numbers for shorter stitches.

Stitch Width: Controls side-to-side movement for zigzag and decorative stitches (0-5mm).

Thread Tension: Adjust for different fabrics (3-4 for medium weight fabrics).

Presser Foot Pressure: Adjust via dial on top of machine for thick or thin fabrics.

Stitch Selection and Adjustment

Machine offers utility, decorative, and stretch stitches.

Straight Stitch (1-6): For seams, topstitching, basting.
Zigzag Stitch (7-12): For finishing edges, appliqué, mending.
Decorative Stitches (13-80): For embellishment, heirloom sewing.
Stretch Stitches (81-110): For knit fabrics, activewear.
Buttonhole Stitch (automatic): One-step buttonhole for consistent results.

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

Maintenance and Cleaning

Regular maintenance ensures optimal performance.

Daily: Remove lint from bobbin area and feed dogs with brush provided.
Weekly: Oil hook race and moving parts with sewing machine oil (2-3 drops).
Monthly: Clean under needle plate; check belt tension.
Needle Replacement: Change needle after 8 hours of sewing or for new project.
Storage: Cover machine when not in use; store in dry area.

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

Regulatory Information

UL Listed: Complies with UL safety standards. FCC Part 15: Class B digital device. Copyright © Singer Manufacturing Company. All rights reserved. For support, visit www.singer.com or contact 1-800-4-SINGER.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection/foot control	Check power cord; ensure foot control is plugged in; check circuit breaker.
Thread breaking	Tension/needle/thread quality	Reduce tension; change needle; use quality thread; rethread completely.
Skipped stitches	Needle/blunt needle/wrong needle	Change needle; ensure correct needle for fabric; check threading.
Uneven stitches	Tension/bobbin threading	Adjust upper tension; rethread bobbin ensuring correct direction.
Fabric not feeding	Presser foot pressure/feed dogs	Increase presser foot pressure; clean feed dogs; check stitch length setting.
Bobbin thread bunching	Bobbin threading/tension	Rethread bobbin; adjust bobbin tension; use correct bobbin type.
Noisy operation	Lint/lack of oil/loose parts	Clean and oil machine; check for loose screws; have serviced if noise continues.

Reset: Unplug for 5 minutes to reset electronic components.

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