AZZUNO CUT-55L

AZZUNO Plasma Cutter 55Amps CUT-55L Instruction Manual

Model: CUT-55L

1. Introduction

This manual provides essential information for the safe and effective operation of your AZZUNO CUT-55L Plasma Cutter. Please read this manual thoroughly before operating the machine to ensure proper usage and to prevent injury or damage.

2. Safety Information

WARNING: Plasma cutting can be dangerous. Always follow safety precautions to prevent serious injury or death.

  • Electrical Shock: Ensure the machine is properly grounded. Do not operate in wet conditions. Always wear dry gloves.
  • Fumes and Gases: Ensure adequate ventilation. Avoid breathing fumes. Use a respirator if necessary.
  • Arc Rays: Protect your eyes and skin. Wear a welding helmet with appropriate shade, safety glasses, and protective clothing.
  • Fire and Explosion: Keep flammable materials away from the cutting area. Have a fire extinguisher readily available.
  • Hot Parts: Allow the machine and workpiece to cool before handling.
  • Noise: Wear hearing protection during operation.

3. Package Contents

Verify that all items are present in your package:

  • Plasma Cutter x 1
  • Cutting Torch x 1
  • Ground Clamp x 1
  • Air Hose x 1
  • 220V~110V Adapter Cord x 1
  • Tip x 2
  • Electrode x 2
  • Hose Bands x 2
  • Brush Hammer x 1

Note: The packaging box may incorrectly state "Welding Machine". The product inside is the correct Plasma Cutter.

AZZUNO CUT-55L Plasma Cutter and included accessories

Image: The AZZUNO CUT-55L Plasma Cutter with its complete set of accessories, including the cutting torch, ground clamp, air hose, power adapter, tips, electrodes, hose bands, and a brush hammer.

4. Product Overview

The AZZUNO CUT-55L Plasma Cutter features a user-friendly interface and robust design for efficient metal cutting. Key components and controls are detailed below.

Front and rear panel overview of the AZZUNO CUT-55L Plasma Cutter

Image: Front and rear view of the plasma cutter, highlighting the torch connector, torch switch, pilot arc, ground clamp connector, power switch, air filter, and cooling fan.

Front Panel Functions:

  • TEST AIR / PRE-FLOW / POST-FLOW Switch: Selects air flow control modes.
  • 2T/4T Switch: Toggles between 2-stroke and 4-stroke torch operation.
  • Flow Time / Amperage Adjusting Knob: Controls air flow duration and cutting amperage.
  • Large LED Display: Shows current amperage, air pressure, and selected mode settings.
Close-up of the large LED display on the AZZUNO CUT-55L Plasma Cutter

Image: The large LED display clearly showing amperage, air pressure (PSI), and mode selections like TEST AIR, PRE-FLOW, POST-FLOW, 2T, and 4T.

5. Setup

Follow these steps to set up your plasma cutter for operation:

  1. Power Connection: Connect the plasma cutter to a suitable power source. The machine supports 110V or 220V. Use the provided adapter cord for 110V connections if necessary.
  2. Air Connection: The unit features a built-in air regulator. Connect your air compressor hose to the pre-assembled air connector on the rear panel. Secure it with a hose band. Ensure your air compressor provides clean, dry air at the recommended pressure (typically 85 PSI for optimal cutting).
  3. Ground Clamp Connection: Attach the ground clamp cable to the designated connector on the front panel. Securely attach the ground clamp to the workpiece or work table, ensuring good electrical contact.
  4. Cutting Torch Connection: Connect the cutting torch cable to the torch connector on the front panel.
  5. Power On: Flip the power switch on the rear panel to the 'ON' position. The LED display will illuminate.
Rear view of the AZZUNO CUT-55L Plasma Cutter showing the built-in air regulator and power connection

Image: The rear panel of the plasma cutter, illustrating the pre-assembled air connector for easy air hose attachment and the 220V power plug with a 110V adapter option.

6. Operating Instructions

6.1. Non-Touch Pilot Arc

The AZZUNO CUT-55L features a 55A high-frequency, non-touch pilot arc. This technology allows the arc to ignite without direct contact with the metal, reducing consumable wear and providing cleaner, more precise cuts on painted, rusted, or uneven surfaces.

Plasma cutter torch with non-touch pilot arc cutting through metal

Image: The plasma torch in action, demonstrating the non-touch pilot arc cutting through a metal surface, highlighting the enhanced cutting power.

6.2. Cutting Capacity

The machine offers powerful plasma cuts with precision. Optimal cutting capacity depends on the input voltage:

  • Clean Cut:
    • 3/8" (10 mm) @ 110V
    • 5/8" (16 mm) @ 220V
  • Max Cut:
    • 1/2" (12 mm) @ 110V
    • 3/4" (20 mm) @ 220V

It is capable of cutting various metals including mild steel, stainless steel, aluminum, and copper. It effectively handles solid plate, expanded metal, and perforated mesh.

Plasma cutter effortlessly cutting through expanded metal mesh

Image: The plasma torch cutting through expanded metal mesh, demonstrating stable arc and no sticking for clean, consistent results.

6.3. Multiple Cutting Modes

The plasma cutter includes several settings for precise control:

  • TEST AIR: Allows checking airflow without igniting the arc.
  • PRE-FLOW: Controls the gas delay (0.1-1s) before arc ignition for smoother starts.
  • POST-FLOW: Sets the cooling time (1-10s) after cutting to protect the torch and consumables.
  • 2T/4T Settings:
    • 2T (2-Stroke): Press and hold the torch trigger to cut. Release to stop. Ideal for short cuts.
    • 4T (4-Stroke): Press the trigger once to start cutting, release to continue cutting without holding. Press again to stop. Ideal for longer cuts and reduced finger fatigue.

6.4. Air Sensor Technology

A built-in pressure monitoring system with a warning light alerts you if the air pressure is outside the optimal range (Low, Normal, High). This ensures consistent performance and helps prevent machine damage.

Air pressure warning system display on the AZZUNO CUT-55L Plasma Cutter

Image: The LED display showing the air pressure warning system with indicators for Low Pressure (insufficient air supply), Normal Pressure (ready to cut), and High Pressure (overpressure detected).

7. Maintenance

Regular maintenance ensures the longevity and optimal performance of your plasma cutter:

  • Consumables: Regularly inspect the torch tip and electrode for wear. Replace them when they show signs of degradation to maintain cut quality.
  • Air Filter: Check and clean the air filter periodically to ensure a clean and dry air supply. Replace if damaged.
  • Cleaning: Keep the machine clean and free from dust and metal particles. Use compressed air to blow out internal components if necessary, ensuring the machine is unplugged.
  • Cables and Connections: Inspect all cables and connections for damage or loose fittings before each use.

8. Troubleshooting

Refer to this section for common issues and their potential solutions:

ProblemPossible CauseSolution
No power to machinePower switch off, loose power cord, circuit breaker trippedTurn on power switch, check power cord connection, reset circuit breaker
No arc ignitionNo air pressure, worn consumables, poor ground connection, incorrect settingsCheck air supply and pressure, replace tip/electrode, ensure solid ground, verify amperage and mode settings
Poor cut qualityIncorrect cutting speed, worn consumables, insufficient air pressure, wrong amperageAdjust cutting speed, replace consumables, check air pressure, adjust amperage for material thickness
Air pressure warning light activeAir pressure too low or too highAdjust air compressor output to maintain optimal pressure (approx. 85 PSI)

9. Specifications

Detailed technical specifications for the AZZUNO CUT-55L Plasma Cutter:

Technical specification table for AZZUNO CUT-55L Plasma Cutter

Image: A table displaying the technical specifications of the CUT-55L model, including voltage, current, duty cycle, and protection class.

FeatureSpecification
ModelCUT-55L
Input Voltage (U1)110V / 220V
Rated Input Current (I1eff)110V: 20A / 220V: 17.5A
Max Input Current (I1max)110V: 40A / 220V: 35A
Output Current (I2)110V: 20A-35A / 220V: 20A-55A
Duty Cycle (X)110V: 60% @ 25A, 100% @ 20A
220V: 60% @ 35A, 100% @ 25A
No-Load Voltage (U0)110V: 88V / 220V: 94V
Rated Output Voltage (U2)110V: 94V / 220V: 102V
Frequency50/60Hz
Protection ClassIP21S
Insulation ClassH
Machine Weight19.75 Pounds (approx. 8.96 kg)
Package Dimensions18.2 x 12 x 11.3 inches

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact AZZUNO customer service through their official website or the retailer where the product was purchased. Keep your purchase receipt as proof of purchase.

© 2025 AZZUNO. All rights reserved.

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