JC Penney Sewing Machine 7057 Manual

The JC Penney Sewing Machine Model 7057 is a versatile mechanical 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 provides comprehensive instructions for setup, operation, maintenance, and troubleshooting of your sewing machine.

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

Features at a Glance

Key components: Mechanical sewing machine with built-in stitch patterns, free arm, accessory compartment, and built-in light.

Feature	Description
Stitch Patterns	Multiple built-in stitches including straight, zigzag, and decorative
Stitch Length Control	Adjustable from 0-4mm
Stitch Width Control	Adjustable zigzag width up to 5mm
Built-in Buttonholer	One-step automatic buttonhole
Free Arm	Removable extension table for sewing cuffs and sleeves
Reverse Stitch	Built-in reverse stitching for securing seams
Variable Speed Control	Foot pedal with speed adjustment
Built-in Light	Illuminates sewing area
Bobbin Winder	Automatic bobbin winding system
Accessory Storage	Built-in compartment for needles, bobbins, and feet

Installation & Setup

Unpack and inspect all components. Place on stable, level surface.

Remove machine from packaging and all protective materials.
Attach power cord to machine and plug into grounded electrical outlet.
Install foot pedal and position for comfortable access.
Install needle following proper orientation.
Wind and install bobbin according to threading diagram.
Thread upper thread following numbered guides.

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

First-Time Operation

Before sewing your first project, complete these setup steps.

Select straight stitch pattern and medium stitch length.
Practice on scrap fabric to test tension and stitch quality.
Adjust thread tension if needed (normal setting is 4-5).
Test reverse stitch function to secure seams.
Experiment with different stitch patterns and settings.

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

Specifications

Model: JC Penney 7057
Type: Mechanical Sewing Machine
Stitch Patterns: 12 built-in stitches
Stitch Length: 0-4mm adjustable
Stitch Width: 0-5mm adjustable
Buttonhole: One-step automatic
Presser Feet: Standard, zipper, buttonhole, button sewing
Bobbin: Class 15 transparent
Needles: Standard domestic 130/705H
Power: 120V AC, 60Hz
Weight: Approximately 15 lbs

Controls and Settings

Main controls located on front and side of machine.

Stitch Selector: Dial for choosing stitch patterns. Stitch Length: Adjusts distance between stitches. Stitch Width: Controls zigzag width. Reverse Lever: Hold for backward stitching. Tension Dial: Adjusts upper thread tension (4-5 normal). Bobbin Winder: Push to right for bobbin winding.

Additional features: Free arm release, built-in light switch, foot pedal speed control.

Stitch Selection

Available stitch patterns and their applications.

Straight Stitch: Basic sewing, topstitching (length 2.0-2.5mm)
Zigzag Stitch: Seam finishing, appliqué (width 3-4mm)
Multiple Zigzag: Elastic application, mending
Blind Hem: Nearly invisible hemming
Stretch Stitches: Knits and stretch fabrics
Decorative Stitches: Embellishment and trim
Buttonhole: Automatic one-step buttonholes

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

Threading & Bobbin

Proper threading ensures smooth operation and quality stitches.

Raise presser foot and raise needle to highest position.
Follow numbered threading guides from spool to needle.
Wind bobbin: Place spool on pin, thread through tension disc, wind evenly.
Insert bobbin: Drop-in style, follow direction arrows.
Pull up bobbin thread: Hold upper thread, turn handwheel toward you.

WARNING! Ensure machine is unplugged during threading and needle changes.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Unplug machine before cleaning or maintenance.
Remove needle plate and clean lint buildup with brush.
Oil moving parts with sewing machine oil (2-3 drops monthly).
Wipe exterior with soft, dry cloth.
Replace needle after 8-10 hours of sewing.

CAUTION! Use only sewing machine oil. Never use household oils.

Accessories

Standard accessories included with your sewing machine.

Accessory	Use
Standard Presser Foot	General sewing
Zipper Foot	Installing zippers
Buttonhole Foot	Making buttonholes
Button Sewing Foot	Attaching buttons
Needles (assorted)	Different fabric types
Bobbins (4)	Thread storage
Seam Ripper	Removing stitches
Brush	Cleaning lint
Screwdriver	Adjustments

Safety Information

Important safety precautions for sewing machine operation.

Always unplug machine when not in use and during maintenance
Keep fingers away from moving needle and parts
Do not sew over pins - remove before needle reaches them
Use proper lighting to see sewing area clearly
Keep long hair and loose clothing away from moving parts
Do not operate if cord or foot pedal is damaged
Supervise children and beginners closely

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Rethread completely; adjust tension
Skip stitches	Bent needle/wrong needle	Replace needle; ensure proper insertion
Bobbin thread bunching	Incorrect bobbin threading	Remove and reinsert bobbin; check direction
Machine won't run	Power connection	Check plug; ensure foot pedal connected
Uneven stitches	Tension issues	Adjust upper and bobbin tension
Noisy operation	Lint buildup/needs oil	Clean and oil machine

Service: For technical support, contact JC Penney customer service at 1-800-322-1189.