New Home 660 Sewing Machine Service Manual

The New Home 660 is a versatile mechanical sewing machine featuring straight stitch, zigzag, and decorative stitch patterns, built-in buttonholer, free arm capability, adjustable stitch length and width, reverse stitching, drop feed for darning and quilting, built-in light, and accessory storage. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Threading and Bobbin 7. Stitch Selection and Usage 8. Maintenance and Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Mechanical sewing head, built-in stitch patterns, free arm, accessory compartment, foot pedal control, built-in work light.

Feature	Description
Stitch Patterns	Straight, zigzag, and decorative stitches
Built-in Buttonholer	Automatic one-step buttonhole
Free Arm	For sewing sleeves and cuffs
Stitch Length Control	Adjustable from 0-4mm
Stitch Width Control	Adjustable from 0-5mm
Reverse Stitch	For reinforcing seams
Drop Feed	For darning and free-motion quilting
Built-in Light	Illuminates work area
Accessory Storage	Built-in compartment for feet and tools
Power Source	120V AC, 60Hz

Installation

Unpack and inspect contents. Place on stable surface at proper height.

Remove machine from packaging: Lift carefully from case.
Position machine: Place on sturdy table at comfortable sewing height.
Connect foot pedal: Plug into machine port.
Connect power: Plug machine into AC outlet.
Install accessories: Attach standard presser foot.

WARNING! Machine is heavy; lift with care to avoid injury. Ensure stable surface placement.

First-Time Setup

Prepare machine for first use with proper threading and bobbin installation.

Wind bobbin: Follow threading diagram; fill bobbin evenly.
Install bobbin: Place in bobbin case with thread pulling counterclockwise.
Thread upper path: Follow numbered guides from spool to needle.
Test stitches: Use scrap fabric to verify proper operation.
Adjust tension: Test on fabric scrap; adjust as needed.

CAUTION! Keep fingers away from needle during operation. Always turn off when threading.

Specifications

Machine Type: Mechanical sewing machine
Stitch Patterns: Straight, zigzag, decorative stitches
Stitch Length: 0-4mm adjustable
Stitch Width: 0-5mm adjustable
Buttonhole: One-step automatic
Free Arm: Yes, for cylindrical sewing
Feed System: Drop feed capability
Lighting: Built-in work light
Power Source: 120V AC, 60Hz
Weight: Approximately 22 lbs

Controls and Settings

Front panel controls: Stitch pattern selector, stitch length dial, stitch width dial, reverse stitch button.

Stitch Selection: Turn dial to select straight, zigzag, or decorative patterns.

Stitch Length: Rotate dial for shorter/longer stitches (0-4mm).

Stitch Width: Adjust dial for narrow/wide zigzag (0-5mm).

Reverse: Press and hold button for backward stitching.

Tension Control: Upper thread tension dial (0-9 settings).

Threading and Bobbin

Proper threading is essential for quality stitching.

Bobbin winding: Place spool on pin, thread through guides, wind evenly.
Bobbin installation: Insert into case with thread pulling counterclockwise.
Upper threading: Follow numbered path from spool to needle eye.
Needle installation: Flat side to back; tighten screw securely.
Thread tension: Adjust dial based on fabric type and thread weight.

Tip: Always raise presser foot when threading upper path.

Stitch Selection and Usage

Select appropriate stitches for different sewing applications.

Straight stitch: For seams and topstitching (length 2.0-2.5mm).
Zigzag stitch: For finishing edges and stretch fabrics.
Decorative stitches: For embellishment and special effects.
Buttonhole: One-step automatic; test on scrap fabric first.
Reverse stitching: Use at beginning and end of seams.
Free arm: Remove accessory tray for sewing sleeves and cuffs.
Drop feed: Lower feed dogs for darning and quilting.

WARNING! Always use correct presser foot for selected stitch.

Maintenance and Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily cleaning: Brush out lint from bobbin area and feed dogs.
Monthly oiling: Apply sewing machine oil to designated points.
Needle replacement: Change needle after 8-10 hours of sewing.
Bobbin case: Remove and clean periodically.
External cleaning: Wipe with soft, dry cloth only.

CAUTION! Unplug machine before cleaning or maintenance. Use only sewing machine oil.

Regulatory Information

UL Listed: Complies with safety standards for household sewing machines. Copyright © New Home Sewing Machine Company. For technical support and service, contact authorized service centers. Replacement parts available through authorized dealers only.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Rethread completely; adjust tension; check for burrs on needle.
Skipped stitches	Wrong needle/damaged needle	Replace needle; ensure correct type for fabric.
Uneven stitches	Tension imbalance	Adjust upper and bobbin tension; rethread.
Machine jams	Thread buildup/lint	Remove bobbin case; clean area; remove tangled threads.
No power	Power connection/pedal	Check outlet; verify pedal connection; inspect power cord.
Poor buttonholes	Stabilizer/fabric issue	Use stabilizer; test on scrap; ensure proper foot attachment.

Service: Contact authorized New Home service center for repairs.

Support: Consult local dealer or authorized service provider.