Singer HD 6600C Manual

The Singer HD 6600C is a heavy-duty sewing machine designed for home use, featuring a powerful motor, metal frame construction, multiple built-in stitches, automatic needle threader, adjustable presser foot pressure, drop-in bobbin system, and a variety of included accessories. It is suitable for sewing a wide range of fabrics from lightweight to heavy materials like denim and canvas. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Heavy-duty metal frame, built-in stitch patterns, automatic needle threader, drop-in bobbin, adjustable stitch length and width, reverse stitch lever, built-in LED light, accessory storage compartment.

Unpacking and Setup

Carefully unpack all components and place on a stable, flat surface.

1. Remove machine from box: Lift by the carrying handle, not by the free arm.
2. Attach power cord: Plug into machine and then into a 120V AC outlet.
3. Install foot pedal: Connect to machine port and place on floor.
4. Insert needle: Loosen needle clamp screw, insert needle with flat side to the back, tighten screw.
5. Attach presser foot: Raise presser foot lever, snap foot into place.

WARNING! Machine is heavy; use caution when lifting. Ensure work area is clean and well-lit.

First-Time Operation

Power on machine; familiarize yourself with controls before sewing.

1. Wind bobbin: Place thread spool on pin, guide thread through bobbin winder tension, press foot pedal.
2. Thread upper thread: Follow numbered path on machine, use automatic needle threader if equipped.
3. Insert bobbin: Drop bobbin into case with thread unwinding counterclockwise.
4. Select stitch: Turn pattern selector dial to desired stitch.
5. Test sew: Use scrap fabric to adjust tension and stitch settings.

CAUTION! Keep fingers away from needle while machine is running. Always turn off power when threading or changing accessories.

Specifications

• Model: Singer HD 6600C.
• Type: Heavy-Duty Mechanical Sewing Machine.
• Stitches: 10+ built-in stitches including straight, zigzag, blind hem, and stretch stitches.
• Speed: Up to 1100 stitches per minute.
• Needle Position: Adjustable left, center, right.
• Presser Feet: Includes all-purpose zipper foot, buttonhole foot, and more.
• Power Supply: 120V AC, 60Hz.
• Warranty: 25-year limited warranty.
• Weight: Approximately 14.5 lbs (6.6 kg).

Controls and Functions

Main controls located on front and side of machine. Front Panel: Stitch pattern selector, stitch length dial, stitch width dial, reverse stitch lever.

Side/Rear: Power switch, bobbin winder, tension dial, presser foot lever, free arm release.

Stitch Selection: Turn pattern dial to icon matching desired stitch. Stitch Length: Adjust from 0-4 mm for shorter/longer stitches. Stitch Width: Adjust from 0-5 mm for zigzag and decorative stitches. Tension: Adjust dial for balanced stitches (higher numbers for tighter tension). Reverse: Hold lever down to sew backwards for reinforcement.

Stitch Selection and Settings

Refer to stitch chart for recommended settings for different fabrics.

1. Straight Stitch: Use for seams, topstitching; set width to 0, length 2.5-3 mm.
2. Zigzag Stitch: Use for finishing edges, appliqué; adjust width and length as needed.
3. Stretch Stitch: Use for knits and elastic fabrics; prevents popped seams.
4. Buttonhole: Use automatic 4-step buttonhole foot; follow manual instructions.
5. Decorative Stitches: Select pattern, test on scrap fabric first.

Tip: Always test stitch settings on a scrap of your project fabric before sewing.

Threading and Bobbin Winding

Correct threading is essential for proper stitch formation.

1. Upper Threading: Raise presser foot and needle to highest position. Follow numbered guide from spool pin to needle.
2. Automatic Needle Threader: Lower lever, hook thread onto guide, pull lever back up to pull thread through needle eye.
3. Bobbin Winding: Place spool on pin, thread through guide, wrap thread around bobbin clockwise, engage bobbin winder, press foot pedal.
4. Bobbin Insertion: Open cover, drop bobbin in with thread pulling counterclockwise, pull thread through slot and under tension spring.
5. Bring Up Bobbin Thread: Hold upper thread, turn handwheel toward you to lower and raise needle, pull upper thread to bring bobbin loop up.

WARNING! Ensure machine is off and foot is off pedal during threading. Do not force dials or levers.

Maintenance and Cleaning

Regular maintenance ensures optimal performance and longevity.

1. Cleaning: Unplug machine. Remove needle, presser foot, and bobbin case. Use small brush to remove lint from feed dogs, bobbin area, and tension discs.
2. Oiling: Apply 1-2 drops of sewing machine oil to designated points as shown in manual (e.g., hook race, needle bar). Wipe excess oil.
3. Needle Replacement: Replace needle after every project or if dull/bent. Use correct type and size for fabric.
4. Storage: Cover machine when not in use to prevent dust accumulation.

CAUTION! Use only sewing machine oil. Do not use household oils. Never spray cleaners directly onto machine.

Regulatory Information

UL Listed: Complies with safety standards for household sewing machines. FCC Part 15: Class B digital device; may not cause harmful interference. Copyright © Singer Licensing Company. Trademarks used under license. For support, visit www.singer.com or contact 1-800-4-SINGER.

Troubleshooting

Reset: Turn power off and on. Re-thread completely if issues persist.

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