Mitsubishi LS2 180 Sewing Machine Manual

The Mitsubishi LS2 180 is an industrial-grade sewing machine designed for heavy-duty applications, featuring automatic lubrication, variable speed control, reverse stitching capability, needle positioning, thread trimmer, and programmable pattern memory. Suitable for various fabrics including denim, leather, and canvas. Below are key sections for safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Basic Operation 7. Maintenance & Lubrication 8. Needle & Thread Setup 9. Troubleshooting 10. Safety Guidelines 11. Warranty Information

Features at a Glance

Key components: Heavy-duty frame, automatic oiler system, digital control panel, knee lift, thread trimmer, reverse stitch button.

Feature	Description
Stitching Speed	Up to 1800 stitches per minute
Stitch Length	Adjustable 1-5mm
Needle System	DBx1 industrial needles
Presser Foot Lift	Manual and knee lift options
Motor Type	Servo motor with brake
Lubrication	Automatic oil circulation system
Thread Trimmer	Automatic thread cutting
Reverse Stitch	Programmable reverse stitching
Needle Positioner	Automatic needle up/down
Bobbin System	Rotating hook with automatic bobbin winder

Installation

Unpack and inspect contents. Ensure stable mounting surface.

Position machine: Place on industrial table or stand, ensure level surface.
Connect power: Use dedicated 220V outlet with proper grounding.
Install motor: Mount servo motor according to diagram, connect drive belt.
Oil system: Fill oil reservoir with recommended sewing machine oil.
Test operation: Run machine briefly to check oil circulation.

WARNING! Machine is heavy; use proper lifting equipment. Ensure electrical connections are secure and grounded.

First-Time Setup

Power on machine; perform initial configuration.

Thread machine: Follow threading diagram for upper and lower threads.
Install needle: Insert DBx1 needle with flat side facing back, tighten securely.
Set bobbin: Wind bobbin evenly, insert into hook race.
Adjust tension: Test stitch on scrap fabric, adjust upper and lower tension.
Configure settings: Set stitch length, speed limits, needle position.

CAUTION! Always disconnect power when changing needles or performing maintenance.

Specifications

Model: Mitsubishi LS2 180
Stitch Type: Single needle lockstitch
Max Speed: 1800 SPM
Stitch Length: 1-5mm adjustable
Needle Size: DBx1 #11-21
Presser Foot Lift: 10mm manual, 16mm knee lift
Throat Space: 280mm
Motor: 550W servo with electronic brake
Power Requirements: 220V, 50/60Hz
Weight: 45kg
Dimensions: 560mm x 240mm x 380mm

Controls and Settings

Control Panel: Power switch, speed control dial, reverse stitch button, thread trimmer, needle positioner.

Adjustments: Stitch length dial, tension discs, presser foot pressure, feed dog height.

Speed Control: Variable from 500-1800 SPM. Reverse Stitch: Programmable length and position. Needle Position: Set stop position (up/down). Thread Trimmer: Automatic or manual operation. Lubrication: Automatic system with visible oil flow.

Basic Operation

Daily sewing procedures and techniques.

Power on: Switch machine on, allow oil to circulate.
Select speed: Set appropriate speed for fabric type.
Position fabric: Lower presser foot, begin sewing.
Reverse stitch: Use reverse button at start/end of seams.
Thread trim: Press trimmer button or use automatic feature.
Needle position: Use positioner to stop needle up or down.
Knee lift: Use knee lever to raise presser foot while sewing.

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

Maintenance & Lubrication

Regular maintenance schedule and procedures.

Daily: Clean lint from hook area, check oil level.
Weekly: Clean feed dogs, check belt tension.
Monthly: Clean oil filters, check for wear on needle bar.
Oil Change: Replace oil every 6 months or 1000 hours.
Lubrication Points: Needle bar, hook race, feed mechanism.

WARNING! Use only recommended sewing machine oil. Never run machine without proper lubrication.

Needle & Thread Setup

Proper needle installation and threading procedures.

Needle Selection: Choose appropriate size for fabric weight.
Needle Installation: Loosen needle clamp, insert needle fully, tighten securely.
Upper Threading: Follow numbered path through tension discs.
Bobbin Winding: Use built-in winder, ensure even distribution.
Bobbin Installation: Insert with thread pulling counterclockwise.
Tension Adjustment: Test on scrap fabric, adjust until balanced.

CAUTION! Always use genuine Mitsubishi parts for optimal performance.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Thread breaking	Wrong tension/damaged needle	Adjust tension; replace needle; check threading.
Skip stitches	Wrong needle/bent needle	Replace with correct needle type; ensure proper installation.
Poor stitch quality	Incorrect tension/timing	Balance upper/lower tension; check hook timing.
Machine noisy	Low oil/worn parts	Check oil level; inspect for worn gears or bearings.
Motor not running	Power issue/belt broken	Check power supply; inspect drive belt; reset breaker.

Reset: Turn power off/on to reset electronic controls.

Safety Guidelines

Essential safety precautions for operation.

Always disconnect power before maintenance
Keep fingers away from moving needle
Use proper lighting in work area
Wear safety glasses when changing needles
Ensure proper grounding of electrical system
Keep work area clean and organized
Follow lockout/tagout procedures for repairs

WARNING! Never operate machine with guards removed or safety features disabled.

Warranty Information

Mitsubishi LS2 180 comes with 2-year limited warranty on parts and labor. Warranty covers manufacturing defects but excludes normal wear, misuse, or improper maintenance. For service, contact authorized Mitsubishi dealers or visit www.mitsubishi-sewing.com. Keep purchase receipt and complete warranty registration.

Service Support: 1-800-MIT-SEWING; www.mitsubishi-sewing.com