Singer Sewing Machine 248 Instruction Manual

The Singer Sewing Machine 248 is a versatile mechanical sewing machine designed for home use, featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, reverse stitching, and easy threading system. Suitable for various fabrics from lightweight to medium-weight materials. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection 7. Basic Sewing Techniques 8. Maintenance & Cleaning 9. Accessories 10. Safety Information 11. Troubleshooting

Features at a Glance

Key components: Mechanical sewing machine with built-in stitches, free arm, stitch length/width controls, reverse lever, built-in buttonholer, and drop feed mechanism.

FeatureDescription
Built-in StitchesMultiple stitch patterns including straight, zigzag, and decorative stitches
Stitch Length ControlAdjustable from 0-4mm
Stitch Width ControlAdjustable from 0-5mm for zigzag stitches
Reverse StitchingLever for reinforcing stitches
Free ArmRemovable extension table for sewing cuffs and sleeves
Built-in ButtonholerOne-step automatic buttonhole
Drop FeedFor darning and free-motion sewing
Thread TensionAdjustable upper thread tension dial
Bobbin SystemFront-loading bobbin with clear cover
Power SwitchFoot pedal control with speed adjustment

Installation & Setup

Unpack and inspect contents. Place on stable surface at comfortable working height.

  1. Remove packaging materials and protective covers from machine.
  2. Attach extension table if removed for transport.
  3. Connect foot pedal to machine and plug into power outlet.
  4. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
  5. Wind bobbin: Place empty bobbin on winder, thread through tension disc, press winder to engage.

WARNING! Keep fingers away from needle area during operation. Always turn off when threading or changing accessories.

First-Time Operation

Power on machine; practice basic stitching on scrap fabric.

  1. Thread upper thread: Follow numbered guides from spool to needle.
  2. Insert bobbin: Place bobbin in case with thread unwinding counterclockwise.
  3. Bring up bobbin thread: Hold upper thread, turn hand wheel toward you.
  4. Select straight stitch: Set stitch selector to position 1.
  5. Practice stitching: Place fabric under presser foot, lower foot, press pedal gently.

CAUTION! Always start with needle in highest position. Keep work area well-lit.

Specifications

Controls and Settings

Main controls located on front and side of machine.

Front Panel: Stitch pattern selector, stitch length dial, stitch width dial, reverse stitch lever, bobbin winder.

Stitch Selection: Turn dial to desired stitch pattern (1-23). Stitch Length: Adjust for shorter/longer stitches (0-4mm). Stitch Width: Control zigzag width (0-5mm). Reverse: Hold lever for backstitching. Tension: Adjust upper thread tension (3-4 for normal fabrics).

Stitch Selection

23 built-in stitches for various sewing applications.

  1. Straight Stitch: Positions 1-2 for basic sewing
  2. Zigzag Stitch: Positions 3-5 for finishing edges
  3. Blind Hem: Position 6 for invisible hems
  4. Elastic Stitch: Position 7 for stretch fabrics
  5. Decorative Stitches: Positions 8-23 for embellishments
  6. Buttonhole: Special position for automatic buttonholes

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

Basic Sewing Techniques

Fundamental sewing operations for beginners.

  1. Starting to Sew: Position fabric, lower presser foot, begin stitching
  2. Reverse Stitching: Hold reverse lever to secure beginning and end
  3. Changing Direction: Stop with needle in fabric, lift presser foot, pivot
  4. Seam Finishing: Use zigzag or overcast stitch to prevent fraying
  5. Gathering: Use longer stitch length (3-4mm) and pull bobbin thread
  6. Zipper Installation: Use zipper foot for invisible or centered zippers

WARNING! Never pull fabric while sewing - let feed dogs move fabric.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Daily: Brush out lint from bobbin area and feed dogs
  2. Weekly: Oil moving parts with sewing machine oil (2-3 drops)
  3. Monthly: Clean tension discs with soft brush
  4. Needle Replacement: Change needle after 8-10 hours of sewing
  5. Storage: Cover machine when not in use to prevent dust accumulation

CAUTION! Unplug machine before cleaning or maintenance.

Accessories

Standard accessories included with Singer 248.

AccessoryUse
All-purpose FootGeneral sewing
Zipper FootInstalling zippers
Buttonhole FootMaking buttonholes
Button Sewing FootAttaching buttons
Seam RipperRemoving stitches
BrushCleaning lint
NeedlesAssorted sizes
BobbinsExtra bobbins
ScrewdriverNeedle plate removal

Safety Information

Important safety precautions for sewing machine operation.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread completely; adjust tension; check for burrs on needle
Skip stitchesWrong needle/damaged needleReplace needle; ensure correct needle type for fabric
Bobbin thread bunchingIncorrect bobbin insertionRemove and reinsert bobbin; check threading direction
Machine not feedingFeed dogs lowered/dirtyRaise feed dogs; clean feed dog area
Uneven stitchesTension issuesAdjust upper and bobbin tension; rethread both
Machine noisyLack of oil/lint buildupClean and oil machine; check for loose parts

Service: Contact authorized Singer service center for repairs.

Support: 1-800-4-SINGER; www.singer.com

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