Singer Sewing Machine 3116 Manual

The Singer 3116 is a mechanical, straight-stitch sewing machine designed for beginners and home sewers. It features a built-in stitch selector, adjustable stitch length, reverse sewing, four-step buttonhole, free arm capability, built-in thread cutter, and drop feed for darning and free-motion sewing. Powered by a foot pedal, it includes essential accessories for basic sewing tasks. 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 Functions 6. Basic Stitching Guide 7. Buttonhole Making 8. Maintenance & Cleaning 9. Accessories Included 10. Safety Information 11. Troubleshooting

Features at a Glance

Key components: Sewing machine head, Foot pedal and power cord, Bobbins, Needles, Seam ripper/Lint brush, Darning plate, Screwdriver.

FeatureDescription
Built-in Stitch SelectorDial for selecting straight stitch, zigzag, and decorative stitches
Adjustable Stitch LengthControl dial for stitch length adjustment (0-4 mm)
Reverse Sewing LeverFor reinforcing seams at beginning and end
Four-Step ButtonholeManual buttonhole creation in four steps
Free ArmRemovable accessory tray for sewing sleeves and cuffs
Drop Feed DogLever to lower feed dogs for darning and free motion
Built-in Thread CutterBlade on faceplate for cutting threads
Bobbin Winding SystemBuilt-in bobbin winder on machine
Stitch Width AdjustmentDial for zigzag stitch width (0-5 mm)
Tension Control DialUpper thread tension adjustment (0-9)

Unpacking and Setup

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

  1. Remove machine from box: Lift by carrying handle; avoid lifting by foot pedal cord.
  2. Attach foot pedal: Plug cord into machine port (usually on right side).
  3. Connect to power: Plug foot pedal into wall outlet (120V AC).
  4. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
  5. Wind bobbin: Follow bobbin winding instructions in manual.
  6. Thread machine: Follow threading path indicated on machine.

WARNING! Keep fingers away from needle area during operation. Unplug machine when not in use or during maintenance.

First-Time Operation

Plug in machine; place fabric under presser foot.

  1. Select stitch: Turn stitch selector dial to desired pattern (e.g., straight stitch).
  2. Set stitch length: Adjust dial (2.5 is standard for medium-weight fabrics).
  3. Adjust tension: Set to 4 for balanced stitch on medium fabric.
  4. Lower presser foot: Use lever at back of machine.
  5. Start sewing: Gently press foot pedal to control speed.
  6. Reverse: Hold reverse lever to sew backwards for reinforcement.
  7. Cut threads: Use built-in thread cutter or scissors.

CAUTION! Always turn handwheel toward you (counterclockwise) to avoid timing issues.

Specifications

Controls and Functions

Main Controls: Stitch selector dial, Stitch length dial, Stitch width dial, Reverse lever, Handwheel, Bobbin winder spindle, Tension control dial, Presser foot lifter.

Stitch Guide: Straight stitch (position 1), Zigzag (position 3-5), Blind hem (position 6), Decorative (position 2,4).

Tension: Adjust for balanced stitches (upper thread visible on bottom = decrease tension; bobbin thread visible on top = increase tension). Bobbin Winding: Place thread on spool pin, guide through tension disc, wind onto bobbin until full. Needle Replacement: Ensure flat side of needle shank faces back; tighten securely.

Basic Stitching Guide

For seams, hems, and repairs.

  1. Thread machine: Follow numbered path on machine; raise presser foot during threading.
  2. Insert bobbin: Place bobbin in case with thread unwinding counterclockwise; pull thread through slot.
  3. Select stitch: Straight stitch for seams; zigzag for finishing edges.
  4. Position fabric: Align edge with seam guide; lower presser foot.
  5. Sew: Start slowly; guide fabric gently without pulling.
  6. Finish: Reverse stitch 2-3 stitches, lift presser foot, pull fabric back to cut threads.
  7. Adjustments: Change stitch length for basting (longer) or fine fabrics (shorter).

Tip: Practice on scrap fabric to test tension and stitch length.

Buttonhole Making

Four-step process for standard buttonholes.

  1. Mark buttonhole: Use fabric marker to indicate length on fabric.
  2. Attach buttonhole foot: Remove standard foot; snap on buttonhole foot.
  3. Set stitch width: Adjust to match button thickness (usually 3-4 mm).
  4. Step 1 (left side): Set stitch selector to position A; sew from top to bottom.
  5. Step 2 (bottom bar): Turn dial to position B; sew 4-5 stitches.
  6. Step 3 (right side): Turn dial to position C; sew from bottom to top.
  7. Step 4 (top bar): Turn dial to position D; sew 4-5 stitches.
  8. Cut open: Use seam ripper to carefully open buttonhole between stitches.

WARNING! Always practice on scrap fabric first. Ensure stitch width is appropriate for button size.

Maintenance & Cleaning

Unplug machine before cleaning. Remove lint and dust regularly.

  1. Clean feed dogs: Use small brush to remove lint from teeth.
  2. Clean bobbin area: Remove bobbin case and brush out lint.
  3. Oil machine: Apply 1-2 drops of sewing machine oil to moving parts as indicated in manual (do not over-oil).
  4. Exterior: Wipe with soft, dry cloth.
  5. Needle: Replace after 8-10 hours of sewing or if bent/dull.

CAUTION! Do not use compressed air; it can force lint deeper. Use only sewing machine oil.

Accessories Included

AccessoryQuantityUse
All-Purpose Foot1General sewing
Buttonhole Foot1Making buttonholes
Zipper Foot1Inserting zippers
Bobbin (Class 15)3-5Holding lower thread
Needles (size 11/80)3-5For woven fabrics
Seam Ripper/Lint Brush1Removing stitches/cleaning
Darning Plate1Covers feed dogs for darning
Screwdriver1For needle plate removal/adjustments
Spool Pin Felt1Prevents thread tangling on spool pin

Safety Information

Important safety precautions for operation.

DANGER! Never operate with damaged cord or plug. Discontinue use if machine emits smoke, unusual odor, or excessive noise.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread bunching underneathIncorrect threading/bobbinRe-thread top and bobbin; ensure bobbin inserted correctly.
Needle breaksWrong needle size/bent needleReplace needle; ensure it is inserted fully and straight.
Machine won't runNot plugged in/foot pedal issueCheck power connection; ensure foot pedal cord is secure.
Uneven stitchesIncorrect tension/dirty machineAdjust tension dial; clean feed dogs and bobbin area.
Fabric not feedingPresser foot up/feed dogs downLower presser foot; check drop feed lever is in up position.
Thread breaks frequentlyOld thread/incorrect tensionUse new, good quality thread; reduce tension slightly.
Noisy operationLack of oil/lint buildupOil machine as per manual; clean lint from hook area.

Reset: Unplug machine for 5 minutes if electronic issues occur (though mechanical, resets timing).

Service: For repairs, contact authorized Singer service center. Visit www.singer.com or call 1-800-4-SINGER.

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