Singer 3116 Simple Instruction Manual

The Singer 3116 is a versatile sewing machine designed for home use, featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, automatic needle threader, top drop-in bobbin system, and adjustable presser foot pressure. Powered by 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. Basic Sewing Operations 7. Stitch Selection Guide 8. Maintenance & Cleaning 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: Sewing machine head, Foot pedal, Power cord, Accessory box (presser feet, bobbins, needles, seam ripper, brush), Instruction manual.

FeatureDescription
Built-in Stitches16 built-in stitch patterns including straight, zigzag, and decorative
Automatic Needle ThreaderSimplifies threading the needle
Top Drop-in BobbinEasy bobbin loading with clear cover
Free ArmRemovable flatbed for sewing cuffs and sleeves
4-Step ButtonholerCreates perfect buttonholes automatically
Stitch Length/Width ControlAdjustable for different fabrics and techniques
Reverse Stitch LeverFor reinforcing seams
Presser Foot Pressure DialAdjustable for different fabric thicknesses
Built-in LightIlluminates sewing area
Foot Pedal ControlVariable speed control

Unpacking and Setup

Unpack and inspect all contents. Place on stable, flat surface.

  1. Remove machine from packaging: Lift machine by carrying handle.
  2. Attach foot pedal: Connect pedal cord to machine port.
  3. Connect power: Plug power cord into machine, then into 120V outlet.
  4. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
  5. Wind bobbin: Place thread on spool pin, guide through tension disc, wind onto bobbin.
  6. Insert bobbin: Drop bobbin into case with thread unwinding counterclockwise.

WARNING! Keep fingers away from needle area during setup. Ensure machine is unplugged when installing needle.

First-Time Operation

Plug in machine and turn on power switch.

  1. Thread upper thread: Follow numbered guides from spool to needle.
  2. Use automatic needle threader: Pull down lever, hook thread through guide, release lever.
  3. Pull up bobbin thread: Hold upper thread, turn handwheel toward you to bring up bobbin thread.
  4. Select stitch: Turn stitch selector dial to desired pattern.
  5. Adjust settings: Set stitch length (0-4) and width (0-5) as needed.
  6. Practice sewing: Place fabric under presser foot, lower foot, gently press pedal.

CAUTION! Always start with needle at highest position. Keep hands clear of moving needle.

Specifications

Controls and Settings

Main Controls: Power switch, Stitch selector dial, Stitch length dial, Stitch width dial, Reverse stitch lever, Presser foot lifter, Handwheel.

Stitch Patterns: Straight stitch (1-4), Zigzag (5-8), Elastic stitches (9-12), Decorative stitches (13-16).

Adjustments: Stitch length (0-4mm for fine to basting), Stitch width (0-5mm for straight to wide zigzag), Presser foot pressure (adjust for fabric thickness), Tension (default 4, adjust if stitches uneven).

Basic Sewing Operations

Standard sewing procedure for most fabrics.

  1. Prepare fabric: Press if needed, pin or baste seams.
  2. Select stitch: Choose appropriate stitch for fabric and purpose.
  3. Position fabric: Place under presser foot with seam guide aligned.
  4. Lower presser foot: Use lever to lower foot onto fabric.
  5. Start sewing: Gently press foot pedal to begin.
  6. Guide fabric: Keep hands on either side, guiding fabric without pulling.
  7. Reverse stitching: Hold reverse lever at beginning and end to secure stitches.
  8. Finish: Raise needle to highest position, lift presser foot, remove fabric.
  9. Cut threads: Use thread cutter or scissors.

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

Stitch Selection Guide

Recommended settings for common sewing tasks.

Fabric/ProjectRecommended StitchLengthWidth
Lightweight (silk, chiffon)Straight stitch (1)2.00
Medium (cotton, linen)Straight stitch (2)2.50
Heavy (denim, canvas)Straight stitch (3)3.00
Stretch fabricsZigzag (5) or Elastic (9)2.52.0
Overcasting edgesZigzag (6)2.03.0
ButtonholesButtonhole stitchAutomaticAutomatic
Decorative workDecorative (13-16)2.53.0

Note: Always test on fabric scrap. Adjust tension if needed (higher number = tighter tension).

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Unplug machine before cleaning.
  2. Remove needle plate: Use screwdriver to remove screws, lift plate.
  3. Clean lint: Use small brush to remove lint from feed dogs, bobbin area.
  4. Oil machine: Apply 1-2 drops of sewing machine oil to moving parts as indicated in diagram (every 8-10 hours of use).
  5. Replace needle: Change needle after every 8 hours of sewing or with new project.
  6. Cover machine: Use dust cover when not in use.

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

Safety Information

Important safety precautions for sewing machine use.

WARNING! Risk of electric shock if used with damaged cord. Risk of injury from moving needle.

Troubleshooting

ProblemPossible CauseSolution
Machine won't runNot plugged in, Power switch offCheck power connection, Turn on switch
Needle breaksWrong needle, Bent needle, Pulling fabricReplace needle, Don't pull fabric
Thread bunches underneathBobbin threaded wrong, Upper tension too looseRethread bobbin, Increase upper tension
Skips stitchesWrong needle, Needle not inserted fullyReplace needle, Reinsert needle properly
Uneven stitchesIncorrect tension, Thread qualityAdjust tension, Use quality thread
Fabric doesn't feedPresser foot pressure too light, Feed dogs loweredIncrease pressure, Raise feed dogs
Noisy operationLint buildup, Needs oilingClean lint, Oil machine
Buttonhole unevenFabric not stabilized, Incorrect settingsUse stabilizer, Follow buttonhole guide

Reset: Unplug machine for 5 minutes to reset electronic components if issues persist.

Service: For technical support, contact Singer at 1-800-4-SINGER or visit www.singer.com

Singer 3116 Simple Instruction Manual © - All Rights Reserved 2025