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Hanshen NBC-250D User Manual

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OPERATION
MANUAL
Inverter CO
2
/MAG Gas Shielded
Welding Machine
NBC-250D/350M
Attention:
For your safety, please only allow technicians to operate, maintain
and repair this machine.
You are advised to read this operation manual thoroughly before
operating the machine. Please keep this manual for future reference
and safety information.

Questions and Answers:

Hanshen NBC-250D Specifications

General IconGeneral
BrandHanshen
ModelNBC-250D
CategoryWelding System
LanguageEnglish

Summary

1. CHARACTERISTICS

2. SAFETY INFORMATION

2.1 Fatal Accident Prevention

Ensure correct voltage, comply with laws, wear safety gear, maintain ventilation, and avoid opening the welder's shell.

2.2 Fire and Burn Prevention

Keep welder away from inflammables, sparks, and combustion gas sources. Secure installation if needed.

2.3 Connection and Usage Safety

Disconnect power before gas connection, avoid wet gloves, use correct cables, and ensure proper earthing.

6. OPERATION

6.1 Initial Preparation

Steps include powering on, selecting wire/nozzle, manual wire feeding, and performing a gas test.

6.2.1 Spot and Short Seam Welding

Procedure for spot/short seam welds: set end arc OFF, adjust current/voltage, and use torch switch.

6.2.2 Long Weld Seam Welding

Procedure for long welds: set end arc ON, adjust current/voltage, use torch switch for arc start/stop and crater filling.

7. DAILY MAINTENANCE AND TROUBLE SHOOTING

7.1 Maintenance Precautions

Ensure secure connections, avoid short circuits, maintain ventilation, and perform regular internal part checks and cleaning.

7.2 Troubleshooting Common Issues

Guide to diagnosing and resolving common problems like indicator lights, air switch tripping, and unstable arc.

7.3 Post-Diagnosis Solutions

Provides solutions for specific faults such as broken fuses, PCB issues, and other detected problems.