Singer Sewing Machine CG 550 C Manual

The Singer CG 550 C is a computerized sewing machine with 50 built-in stitches, automatic needle threader, adjustable stitch length and width, drop-in bobbin system, automatic tension control, LED lighting, free arm capability, and multiple presser feet. Powered by standard household electrical outlet. 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 7. Threading and Bobbin 9. Maintenance & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Computerized control panel, automatic needle threader, drop-in bobbin system, LED work light, free arm, accessory storage.

FeatureDescription
Built-in Stitches50 stitches including utility, decorative, and stretch
Automatic Needle ThreaderEasy threading with push-button mechanism
Drop-in BobbinTop-loading bobbin with clear cover
Stitch Length/WidthAdjustable for customization
LED LightingBright illumination of work area
Free ArmRemovable extension table for cylindrical sewing
Automatic TensionComputer-controlled thread tension
Presser FeetIncludes all-purpose, zipper, buttonhole, and more
Power/Speed ControlFoot pedal with variable speed
Reverse StitchButton for reinforcing stitches

Unpacking and Setup

Unpack and inspect all components. Place on stable surface at comfortable height.

  1. Remove machine from packaging: Lift carefully from carrying case.
  2. Attach power cord: Plug into machine and electrical outlet.
  3. Install foot pedal: Connect to machine port.
  4. Set up extension table: Attach to free arm when needed.
  5. Insert needle: Ensure flat side faces back, tighten screw.

WARNING! Machine contains sharp needles and moving parts. Keep fingers away from needle area during operation.

First-Time Operation

Power on machine; familiarize with basic functions.

  1. Thread machine: Follow numbered threading path on machine.
  2. Wind bobbin: Use built-in bobbin winder with thread spool.
  3. Insert bobbin: Drop into bobbin case, pull thread through slot.
  4. Select stitch: Use stitch selection dial or buttons.
  5. Test sew: Use scrap fabric to practice stitching.
  6. Adjust tension: Start with automatic setting, adjust if needed.

CAUTION! Always turn off power when changing needles or performing maintenance.

Specifications

Controls and Settings

Control Panel: Stitch selection dial, stitch length/width controls, reverse stitch button, thread cutter button.

Basic Controls: Power switch, stitch selector, length/width adjustment, reverse, needle up/down, speed control slider.

Stitch Settings: Length (0-4mm), Width (0-5mm), mirror image, memory functions. Tension: Automatic with manual override (1-9). Needle: Position adjustment, automatic threader activation.

Stitch Selection

50 built-in stitches categorized by function:

  1. Basic Stitches: Straight, zigzag, stretch stitches
  2. Decorative Stitches: Scallop, honeycomb, feather stitches
  3. Buttonhole: One-step automatic buttonhole
  4. Blind Hem: For invisible hemming
  5. Overcast: For finishing fabric edges

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

Threading and Bobbin

Proper threading ensures smooth operation.

  1. Raise needle: Turn handwheel to highest position.
  2. Follow threading path: Numbers guide thread from spool to needle.
  3. Use needle threader: Push lever down, hook thread, pull back.
  4. Wind bobbin: Place spool on pin, thread through tension, press pedal.
  5. Insert bobbin: Drop in case, pull thread through slot, close cover.

WARNING! Ensure presser foot is raised when threading to engage tension disks.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Clean lint: Remove bobbin case and brush out lint regularly.
  2. Oil machine: Use sewing machine oil on designated points (refer to diagram).
  3. Change needle: Replace after 8-10 hours of sewing or if damaged.
  4. Clean exterior: Use soft, dry cloth; no harsh chemicals.

CAUTION! Unplug machine before cleaning or maintenance. Use only Singer-approved accessories.

Regulatory Information

UL Listed: Complies with 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

SymptomPossible CauseCorrective Action
Machine won't startPower connectionCheck power cord; ensure outlet works; check foot pedal connection.
Thread breakingTension/thread qualityRethread machine; adjust tension; use quality thread.
Uneven stitchesThreading/tensionRethread upper and lower threads; clean lint; check needle.
Needle breaksWrong needle/bent needleReplace needle; ensure correct type; don't pull fabric.
Bobbin issuesWinding/insertionRewind bobbin evenly; ensure inserted correctly.
Skip stitchesNeedle/thread mismatchUse correct needle for fabric; ensure proper threading.

Reset: Turn machine off and on to reset computer functions.

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

Singer Sewing Machine CG 550 C Manual © - All Rights Reserved 2025