JC Penney Model 7057 Sewing Machine Manual

The JC Penney Model 7057 is a versatile sewing machine featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, reverse stitching, and variable speed control. This manual covers setup, operation, maintenance, and troubleshooting for optimal performance with various fabrics and sewing projects.

1. Features at a Glance 2. Unpacking and Setup 3. Basic Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection Guide 7. Maintenance and Cleaning 8. Troubleshooting 9. Warranty Information

Features at a Glance

Key components: Free arm design, built-in stitch patterns, drop-in bobbin system, built-in light, accessory storage compartment.

FeatureDescription
Stitch Patterns12 built-in stitches including straight, zigzag, and decorative
Stitch Length ControlAdjustable from 0-4mm
Stitch Width ControlAdjustable from 0-5mm
ButtonholerOne-step automatic buttonhole
Free ArmRemovable extension table for cylindrical sewing
Reverse StitchBuilt-in reverse stitching for seam reinforcement
Speed ControlVariable speed pedal with slow start
Bobbin SystemTop-loading drop-in bobbin with clear cover
Built-in LightLED work area illumination
Accessory StorageBuilt-in compartment for feet and accessories

Unpacking and Setup

Carefully unpack all components and inspect for damage.

  1. Remove machine from packaging: Lift from carrying case using handles.
  2. Attach power cord: Plug into machine and wall outlet (120V).
  3. Install foot pedal: Connect to machine port and place on floor.
  4. Thread machine: Follow threading diagram on machine.
  5. Wind bobbin: Use built-in bobbin winder with matching thread.

WARNING! Keep fingers away from needle area during operation. Always unplug when not in use.

Basic Operation

Power on machine; test stitches on scrap fabric first.

  1. Select stitch: Turn pattern dial to desired stitch.
  2. Adjust settings: Set stitch length and width as needed.
  3. Position fabric: Lower presser foot and begin sewing.
  4. Use reverse: Hold reverse button to reinforce stitches.
  5. Change stitches: Stop machine before changing patterns.

CAUTION! Always use correct needle and thread for fabric type. Replace dull needles immediately.

Specifications

Controls and Settings

Main controls located on front and side of machine.

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

Stitch Selection: Turn pattern dial to select from straight, zigzag, stretch, blind hem, decorative stitches. Stitch Length: Controls stitch density (0-4mm). Stitch Width: Adjusts zigzag and decorative stitch width (0-5mm). Reverse: Reinforce seams by sewing backward. Bobbin Winder: Automatic bobbin winding with thread cutter.

Stitch Selection Guide

Recommended settings for common fabrics and projects.

  1. Straight Stitch: General sewing, 2.5mm length
  2. Zigzag Stitch: Seam finishing, stretch fabrics, 3mm width
  3. Blind Hem: Invisible hemming, use blind hem foot
  4. Decorative Stitches: Embroidery and decorative work
  5. Buttonhole: Automatic one-step with buttonhole foot

Tip: Test stitches on fabric scrap before starting project.

Maintenance and 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
  3. Monthly: Clean tension discs and check belt tension
  4. As needed: Replace needles and clean race hook

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

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread completely; adjust tension
Skip stitchesDull/bent needleReplace needle; check threading
Machine jamsLint buildup/thread tangleClean bobbin area; remove tangled thread
Uneven stitchesTension issuesAdjust upper and bobbin tension
No powerPower connectionCheck cord connections; test outlet

Reset: Unplug for 5 minutes to reset electronic controls.

Warranty Information

25-year limited warranty on mechanical parts. 5-year warranty on electrical components. Proof of purchase required. For service, contact JC Penney Customer Service at 1-800-322-1189 or visit www.jcpenney.com.

JC Penney Model 7057 Sewing Machine Manual © - All Rights Reserved 2025