1. Introduction
Thank you for choosing the Reboot MIG175 3-in-1 Welding Machine. This versatile welder is designed for MIG (Gas/Gasless Flux Core), Lift TIG, and Stick (MMA) welding processes, offering dual voltage compatibility (110V/220V). This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure optimal performance and longevity of your welding machine.
2. Safety Information
Welding can be hazardous. Always follow safety precautions to prevent injury or damage. Read and understand all safety instructions before operating the machine.
General Safety Warnings:
- Electric Shock: Can kill. Do not touch live electrical parts. Wear dry welding gloves and protective clothing. Ensure the workpiece is properly grounded.
- Fumes and Gases: Can be hazardous to your health. Keep your head out of the fumes. Use adequate ventilation or exhaust at the arc.
- Arc Rays: Can burn eyes and skin. Wear a welding helmet with a proper shade filter. Wear protective clothing to cover all exposed skin.
- Fire and Explosion: Welding sparks and hot metal can cause fires. Keep flammable materials away from the welding area. Have a fire extinguisher readily available.
- Burns: Hot metal and equipment can cause severe burns. Do not touch hot parts with bare hands.
Personal Protective Equipment (PPE):
- Welding helmet with appropriate shade.
- Flame-resistant clothing (long sleeves and pants).
- Welding gloves.
- Safety glasses.
- Ear protection.
3. Package Contents
Verify that all items are present in the package:
- 1 x Reboot MIG175 Power Source
- 1 x 2m Earth Clamp Cable
- 1 x 2m Electrode Holder Cable
- 1 x 3m MIG Welding Torch
- 1 x Flux Cored Wire (1kg)
- 1 x 3m Welding Gas Hose
- Additional accessories (contact tips, tip wrench, etc.)

Image: Reboot MIG175 Welder with included accessories, such as MIG torch, electrode holder, earth clamp, gas hose, and flux-cored wire spool.
4. Product Overview
The Reboot MIG175 is a compact and powerful welding machine capable of performing multiple welding processes. Understanding its components is crucial for proper operation.
Welding Modes:
- MIG/MAG: For welding with solid wire and shielding gas, or flux-cored wire without gas.
- Lift TIG: For precise welding with a TIG torch (not included) and shielding gas.
- ARC (Stick): For welding with coated electrodes.

Image: Visual representation of the MIG175's multi-process capabilities, including MIG/MAG, Stick, and Lift TIG welding.
Front Panel Controls and Connections:
- Digital Displays: For Current (Amperage) and Voltage.
- Mode Selector Switch: To choose between MMA, MIG, and Lift TIG.
- Wire Speed Control Knob: Adjusts the speed of wire feeding.
- Voltage Control Knob: Adjusts the welding voltage.
- MIG Torch Connector: For connecting the MIG torch.
- Positive (+) and Negative (-) Terminals: For connecting the earth clamp and electrode holder/TIG torch.

Image: Close-up of the MIG175 front panel, highlighting the digital displays, mode selector, wire speed and voltage control knobs, and connection ports.
Rear Panel:
- Power Switch: ON/OFF switch for the machine.
- Power Input: Connection for the main power cable (AC110-220V).
- Gas Inlet: Connection for the shielding gas hose.
- Cooling Fan: Ensures proper ventilation during operation.

Image: The rear panel of the MIG175, showing the power switch, dual voltage input, gas inlet, and the technical specification label.
5. Setup
5.1 Power Connection
The MIG175 supports dual voltage input. Connect the power cable to a suitable 110V or 220V AC power outlet. The machine will automatically detect the input voltage.
5.2 Wire Installation (MIG/Flux Core)
- Open the wire compartment cover on the side of the machine.
- Place the 1kg or 5kg wire spool onto the spool holder. Ensure the wire unwinds from the bottom of the spool towards the wire feeder.
- Thread the wire through the guide tube and into the wire feed roller mechanism.
- Close the pressure handle on the wire feed mechanism to secure the wire.
- Ensure the wire feed roller matches the diameter of your welding wire (e.g., 0.8mm/0.030" or 1.0mm/0.035"). Adjust if necessary.
- With the MIG torch pointed away from yourself and others, press the trigger to feed the wire through the torch liner until it exits the contact tip.

Image: The internal wire feed mechanism, showing the wire spool, pressure handle, wire pressing wheel, and wire feeding wheel.
5.3 Torch and Ground Clamp Connection
- MIG Torch: Connect the MIG torch connector to the corresponding port on the front panel. Twist to secure.
- Earth Clamp: Connect the earth clamp cable to the appropriate terminal (usually negative for MIG/Flux Core, or positive for Stick). Securely attach the earth clamp to the workpiece or welding table.
- Electrode Holder (Stick): For Stick welding, connect the electrode holder cable to the positive (+) terminal and the earth clamp to the negative (-) terminal.
- Lift TIG Torch (Optional): If using Lift TIG, connect the TIG torch (not included) to the negative (-) terminal and the earth clamp to the positive (+) terminal.
5.4 Gas Connection (for MIG with Gas)
For MIG welding with shielding gas:
- Connect one end of the gas hose to the gas inlet on the rear panel of the welder.
- Connect the other end of the gas hose to your gas regulator on the shielding gas cylinder (e.g., Argon/CO2 mix for MIG, pure Argon for TIG).
- Ensure all connections are tight to prevent gas leaks.
6. Operation Modes
6.1 Switching Welding Modes
Use the mode selector switch on the front panel to choose your desired welding process: MMA (Stick), MIG, or Lift TIG.
6.2 MIG Welding (Gas/Gasless Flux Core)
- Select 'MIG' mode.
- For gas-shielded MIG, ensure gas is connected and flowing at the correct rate. For flux-cored welding, no external gas is required.
- Adjust the Wire Speed and Voltage knobs according to the material thickness and wire type. Start with recommended settings and fine-tune as needed.
- Ensure proper polarity: usually positive (+) for the MIG torch and negative (-) for the earth clamp when using solid wire with gas. For flux-cored wire, polarity is often reversed (negative for torch, positive for earth clamp). Refer to your wire manufacturer's recommendations.
- Begin welding, maintaining a consistent travel speed and arc length.
6.3 Lift TIG Welding
Note: A TIG torch and gas cylinder are required and not included with this machine.
- Select 'Lift TIG' mode.
- Connect the TIG torch to the negative (-) terminal and the earth clamp to the positive (+) terminal.
- Ensure pure Argon shielding gas is connected and flowing.
- Adjust the current using the control knob.
- To initiate the arc, gently touch the tungsten electrode to the workpiece and then lift it slightly. The arc will start.
6.4 Stick Welding (MMA)
- Select 'MMA' mode.
- Connect the electrode holder to the positive (+) terminal and the earth clamp to the negative (-) terminal (this is common for most electrodes, but check electrode manufacturer specifications).
- Insert the desired electrode into the electrode holder.
- Adjust the current using the control knob based on the electrode type and diameter.
- Strike the arc by lightly scratching the electrode against the workpiece.
7. Welding Parameters (General Guidelines)
The following table provides general guidelines. Optimal settings may vary based on material, wire/electrode type, and welding position. Always perform test welds on scrap material.
| Process | Wire/Rod Diameter | Material Thickness | Current (A) / Voltage (V) |
|---|---|---|---|
| MIG/Flux Core | 0.8mm (0.030") | 0.8mm - 3mm | 50-120A / 16-20V |
| MIG/Flux Core | 1.0mm (0.035") | 2mm - 6mm | 80-170A / 18-22V |
| Stick (MMA) | 2.5mm (3/32") | 1.5mm - 5mm | 60-100A |
| Stick (MMA) | 3.2mm (1/8") | 3mm - 8mm | 80-140A |
| Lift TIG | 1.6mm (1/16") Tungsten | 0.5mm - 3mm | 20-100A |
8. Maintenance
Regular maintenance ensures the longevity and safe operation of your welding machine.
- Cleaning: Periodically clean the internal components with dry compressed air to remove dust and metal particles. Ensure the machine is unplugged before cleaning.
- Consumables: Regularly inspect and replace MIG contact tips, nozzles, and TIG tungsten electrodes as they wear out. Worn consumables can affect weld quality.
- Wire Feed Roller: Keep the wire feed roller clean and free of debris. Ensure the correct groove is used for the wire diameter.
- Cables and Connections: Inspect welding cables, torch, and ground clamp for damage. Replace any frayed or damaged cables immediately. Ensure all connections are tight.
9. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to machine | Power switch off, power cable loose, circuit breaker tripped | Turn on power switch, check cable connections, reset breaker |
| No arc | Poor ground connection, incorrect mode selected, faulty torch/electrode holder, machine fault | Ensure good ground, select correct mode, check torch/holder, contact support |
| Wire feed issues (MIG) | Wire tangled, wrong roller groove, worn contact tip, liner clogged, tension too loose/tight | Untangle wire, use correct roller, replace tip, clean liner, adjust tension |
| Poor weld quality | Incorrect settings (current/voltage/wire speed), improper technique, contaminated material, wrong gas/no gas | Adjust settings, improve technique, clean material, check gas supply/type |
| Overheating | Exceeded duty cycle, blocked ventilation | Allow machine to cool, ensure clear airflow to cooling fan |
10. Specifications
Technical specifications for the Reboot MIG175 Welding Machine:
| Feature | Specification |
|---|---|
| Model | MIG175 |
| Processes | MIG/MAG, Lift TIG, MMA (Stick) |
| Input Power Voltage | AC220V ±15% (Dual Voltage 110V/220V) |
| Rated Input Power Capacity | 4.8 KVA |
| Output Current Range | 30-170 A |
| Output Voltage Range | 15-22.5 V |
| Duty Cycle | 60% at 170A (220V) |
| Efficiency | 85% |
| Power Factor | 0.93 |
| Welding Thickness | ≥0.8 mm |
| Wire Diameter | 0.6mm / 0.8mm / 1.0mm |
| Item Weight | 35.9 pounds |
| Product Dimensions | 19.69 x 11.02 x 14.96 inches |
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact Reboot customer service. Keep your purchase receipt as proof of purchase.
Contact information can typically be found on the manufacturer's official website or through your point of purchase.





