Singer Heavy Duty 6805C Manual

The Singer Heavy Duty 6805C is a robust sewing machine designed for handling tough fabrics like denim, leather, and canvas. It features a powerful motor, 32 built-in stitches, a one-step buttonhole, automatic needle threader, adjustable presser foot pressure, and a heavy-duty metal frame. 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 Use 7. Needle and Threading 8. Maintenance & 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, adjustable presser foot, accessory storage.

Feature	Description
Motor	High-torque, powerful motor for heavy fabrics
Built-in Stitches	32 stitches including basic, stretch, and decorative
Buttonhole	One-step automatic buttonhole
Needle Threader	Automatic needle threader for easy threading
Presser Foot Pressure	Adjustable for different fabric thicknesses
Bobbin System	Top drop-in bobbin with clear cover
Stitch Length/Width	Adjustable via dial controls
Accessories	Included presser feet, needles, bobbins, seam ripper
Power	110V AC, 60Hz
Warranty	25-year limited warranty

Unpacking and Setup

Unpack and inspect contents. Place on stable surface.

Remove machine from box: Lift by carrying handle; remove all packaging.
Attach power cord: Plug into machine and wall outlet.
Install foot controller: Connect to machine port.
Insert needle: Use included screwdriver to secure needle.
Wind bobbin: Follow threading diagram on machine.

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 threading guide.

Thread machine: Follow numbered path; use automatic needle threader.
Insert bobbin: Drop bobbin into case, pull thread through slot.
Select stitch: Turn stitch selection dial to desired pattern.
Adjust settings: Set stitch length and width as needed.
Test sew: Use scrap fabric to practice stitching.

CAUTION! Keep fingers away from needle during operation. Always turn off when not in use.

Specifications

Model: Singer Heavy Duty 6805C
Stitches: 32 built-in stitches
Buttonhole: One-step automatic
Needle Positions: Adjustable for zigzag and straight stitch
Maximum Stitch Length: 4mm
Maximum Stitch Width: 5mm
Presser Feet: All-purpose, zipper, buttonhole, button sewing feet included
Power Supply: 110V AC, 60Hz
Machine Weight: 14.5 lbs (6.6 kg)
Warranty: 25-year limited

Controls and Settings

Access controls via front panel. Stitch Selection Dial: Choose from 32 stitches. Stitch Length Dial: Adjust from 0-4mm. Stitch Width Dial: Adjust from 0-5mm. Reverse Stitch Button: For reinforcing seams. Power Switch: On/Off control.

Additional Features: Automatic needle threader, drop-in bobbin, presser foot pressure dial, built-in light.

Settings: Adjust stitch length for fabric type (shorter for delicate, longer for heavy). Adjust width for zigzag or decorative stitches. Use reverse stitch to lock seams.

Stitch Selection and Use

Supports straight, zigzag, stretch, and decorative stitches.

Straight Stitch: For seams, topstitching; adjust length as needed.
Zigzag Stitch: For finishing edges, sewing stretch fabrics.
Decorative Stitches: Use for embellishments; consult stitch chart.
Buttonhole: Select buttonhole stitch; place fabric under foot; machine automates process.
Blind Hem: Use blind hem foot for invisible hems.

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

Needle and Threading

Use correct needle and thread for fabric.

Needle Installation: Loosen needle clamp screw; insert needle flat side back; tighten screw.
Automatic Threader: Lower lever; hook thread onto guide; raise lever to thread needle.
Bobbin Winding: Place thread on spool pin; wind onto bobbin using bobbin winding system.
Bobbin Insertion: Open cover; drop bobbin in; pull thread through slot.

WARNING! Always turn off power when changing needle or threading. Use correct needle type (e.g., denim needle for heavy fabrics).

Maintenance & Cleaning

Unplug before cleaning. Remove lint and dust regularly.

Clean bobbin area: Remove bobbin case; use brush to remove lint.
Oil machine: Apply sewing machine oil to designated points per manual.
Exterior: Wipe with dry cloth; avoid liquids.
Needle: Replace regularly, especially after heavy use or if bent.

CAUTION! Do not use compressed air; it can force lint into mechanics. Use only Singer-approved oil.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine not running	Power connection/foot controller	Check power cord; ensure foot controller is plugged in; check power switch.
Thread bunching underneath	Incorrect threading/bobbin	Re-thread top and bobbin; ensure bobbin inserted correctly.
Needle breaks	Wrong needle/bent needle	Replace with correct needle type; ensure needle is straight and properly inserted.
Uneven stitches	Tension issues	Adjust thread tension; re-thread; check for lint in tension discs.
Fabric not feeding	Presser foot pressure/feed dogs	Adjust presser foot pressure; ensure feed dogs are raised.

Reset: Turn off machine, unplug for 1 minute, then restart.

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