Lemair Sewing Machine Instruction Manual

The Lemair Sewing Machine is a versatile household sewing device featuring multiple stitch patterns, adjustable stitch length and width, built-in needle threader, automatic bobbin winding, free arm capability, built-in LED light, foot pedal control, reverse stitching function, and adjustable thread tension. Powered by 110-120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: Main body with built-in stitch patterns, Foot pedal, Power cord, Bobbin case, Needle set, Presser feet set, Seam ripper, Cleaning brush.

Feature	Description
Stitch selection dial	For selecting different stitch patterns
Stitch length control	Adjusts stitch length from 0-4mm
Stitch width control	Adjusts stitch width from 0-5mm
Built-in needle threader	Assists with threading the needle
Automatic bobbin winding	Winds bobbin automatically
Free arm capability	For sewing cylindrical items like sleeves
Built-in LED light	Illuminates sewing area
Reverse stitch button	For reinforcing stitches
Thread tension dial	Adjusts upper thread tension
Power switch	Turns machine on/off

Installation

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

Remove machine from packaging: Lift carefully and place on table.
Attach power cord: Plug into machine and wall outlet.
Install foot pedal: Connect to machine port and place on floor.
Install needle: Loosen needle clamp screw, insert needle flat side back.
Wind bobbin: Follow automatic bobbin winding procedure.

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

First-Time Setup

Prepare machine for first use with proper threading and settings.

Thread the machine: Follow threading guide from spool to needle.
Insert bobbin: Place bobbin in case with thread pulling counterclockwise.
Test stitch: Use scrap fabric to test basic straight stitch.
Adjust tension: Set tension dial to 4 for normal sewing.
Select stitch pattern: Turn dial to desired stitch setting.

CAUTION! Always use proper needle for fabric type. Replace bent or dull needles immediately.

Specifications

Stitch Patterns: 20 built-in stitches including straight, zigzag, decorative
Stitch Length: 0-4mm adjustable
Stitch Width: 0-5mm adjustable
Maximum Sewing Speed: 800 stitches per minute
Needle System: HA-1 standard domestic needles
Bobbin Type: Class 15 transparent bobbin
Presser Feet: Includes zipper foot, buttonhole foot, blind hem foot
Power Requirements: 110-120V AC, 60Hz
Weight: 12.5 lbs (5.7 kg)
Warranty: 2 years limited warranty

Controls and Settings

Main control panel located on front of machine. Stitch selection dial, stitch length dial, stitch width dial, reverse button, thread tension dial.

Basic Controls: Power switch, Foot pedal speed control, Reverse stitch button, Built-in light switch.

Stitch Settings: Straight stitch (position 1), Zigzag stitch (position 2-4), Buttonhole stitch (position 5), Decorative stitches (positions 6-20). Tension: Normal setting 4, lighter fabrics 2-3, heavier fabrics 5-6. Feed dog: Drop for free-motion sewing.

Basic Sewing Operations

Step-by-step guide for common sewing tasks.

Straight stitching: Select position 1, set length to 2.5mm, begin sewing.
Zigzag stitching: Select position 2-4, adjust width as needed.
Buttonholes: Use position 5 with buttonhole foot, follow markings.
Reverse stitching: Hold reverse button to reinforce beginning/end of seams.
Changing presser feet: Lift presser foot lever, remove current foot, snap on new foot.

Tip: Always test stitch on scrap fabric first to ensure proper settings.

Stitch Selection Guide

Comprehensive guide to all available stitch patterns.

Stitch Number	Stitch Type	Recommended Use
1	Straight Stitch	Basic seams, topstitching
2	Zigzag Stitch	Finishing edges, stretch fabrics
3	Three-step Zigzag	Elastic application, decorative
4	Blind Hem Stitch	Nearly invisible hems
5	Automatic Buttonhole	All buttonhole types
6-10	Decorative Stitches	Embroidery, embellishments
11-15	Quilting Stitches	Quilt patterns, decorative seams
16-20	Utility Stitches	Reinforcing, mending

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

Daily cleaning: Remove lint from bobbin area with brush.
Monthly oiling: Apply 1-2 drops of sewing machine oil to designated points.
Needle replacement: Change needle after every 8 hours of sewing.
Storage: Cover machine when not in use to prevent dust accumulation.

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

Regulatory Information

UL Listed: Complies with UL 1278 standard for household sewing machines. FCC Part 15: Class B digital device compliant. Copyright © 2025 Lemair Sewing Products; all rights reserved. For technical support and warranty service, contact 1-800-555-LEMAIR or visit www.lemairsewing.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Incorrect threading/tension	Rethread machine; adjust tension; check for burrs on needle.
Skipped stitches	Dull/bent needle	Replace needle; ensure proper needle installation.
Machine jams	Thread buildup	Remove bobbin case; clean lint; rethread properly.
Uneven stitches	Tension issues	Adjust upper and bobbin tension; check threading.
No power	Power connection	Check power cord connection; ensure outlet works.
Bobbin won't wind	Engagement issue	Ensure bobbin winder is properly engaged; check thread path.

Reset: Unplug for 30 seconds to reset electronic components.

Service: 1-800-555-LEMAIR; www.lemairsewing.com