1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Vigor Horizontal Log Splitter VSO-5T 520. Please read this manual thoroughly before operating the machine to ensure your safety and prolong the life of the product.
The Vigor VSO-5T 520 is a powerful horizontal log splitter designed for splitting logs up to 52 cm in length and 25 cm in diameter, with a splitting force of 5 tons. It features a 1500 Watt, 230V single-phase motor and comes with a sturdy steel stand with wheels for portability.

Figure 1: Vigor Horizontal Log Splitter VSO-5T 520. This image shows the complete log splitter assembly, including the yellow and black main unit, the motor, the power cord, and the black steel stand with two wheels and two stable feet.
2. Safety Instructions
Always prioritize safety when operating power tools. Failure to follow these instructions may result in serious injury or property damage.
- Personal Protective Equipment (PPE): Always wear safety glasses, hearing protection, heavy-duty gloves, and steel-toed boots. Do not wear loose clothing or jewelry that could get caught in moving parts.
- Work Area: Operate the log splitter on a firm, level surface. Keep the work area clean, well-lit, and free of obstructions. Ensure children and bystanders are kept at a safe distance (at least 10 meters).
- Electrical Safety: Connect the log splitter only to a properly grounded 230V power outlet. Do not operate in wet conditions. Inspect the power cord for damage before each use.
- Log Handling: Only split logs that are within the specified maximum length (52 cm) and diameter (25 cm). Do not attempt to split logs containing nails, wire, or other foreign objects.
- Operation: Never place hands or feet near the splitting wedge or ram during operation. Always use both hands to operate the controls. Do not force the machine; allow it to work at its own pace.
- Maintenance: Disconnect the power supply before performing any maintenance, cleaning, or adjustments.
3. Setup and Assembly
The Vigor VSO-5T 520 log splitter comes with a steel stand that requires assembly. Follow these general steps:
- Unpacking: Carefully remove all components from the packaging. Check for any shipping damage and ensure all parts are present according to the packing list (refer to your product's specific packing list, not provided here).
- Stand Assembly: Assemble the steel stand components. Typically, this involves attaching the legs, crossbars, and wheels using the provided bolts and nuts. Ensure all connections are tightened securely.
- Mounting the Log Splitter: Carefully lift the log splitter unit and secure it onto the assembled stand. Ensure it is firmly attached and stable.
- Placement: Position the assembled log splitter on a flat, stable, and dry surface, ensuring adequate space around the machine for safe operation and log handling.
- Electrical Connection: Plug the power cord into a suitable 230V, grounded electrical outlet.
4. Operation
Before starting, ensure you have read and understood all safety instructions.
- Log Preparation: Select logs that are free of knots, branches, and foreign objects. Ensure the log length does not exceed 52 cm and the diameter does not exceed 25 cm.
- Positioning the Log: Place the log firmly on the splitting bed against the end plate. Ensure it is centered and stable.
- Starting the Splitter: The log splitter typically requires a two-hand operation for safety. Simultaneously engage both control levers/buttons to activate the hydraulic ram. The ram will extend, pushing the log against the splitting wedge.
- Splitting: Maintain pressure on the controls until the log is fully split. If the log is not fully split on the first pass, release the controls, reposition the log, and attempt again.
- Retracting the Ram: Once the log is split, release the controls. The hydraulic ram will automatically retract to its starting position.
- Clearing Split Logs: Remove split logs from the work area before placing a new log.
Important: Do not attempt to split logs that are too large or too hard for the machine. This can damage the splitter and pose a safety risk. The maximum splitting force is 5 tons.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your log splitter. Always disconnect the power before performing any maintenance.
- Cleaning: After each use, clean the log splitter to remove wood chips, sawdust, and debris. Use a brush or compressed air. Do not use water directly on electrical components.
- Hydraulic Oil Level: Regularly check the hydraulic oil level. The maximum hydraulic oil capacity is 3.3 liters. Refer to your specific model's instructions for checking and refilling procedures. Use only recommended hydraulic oil.
- Inspections: Periodically inspect all bolts, nuts, and fasteners for tightness. Check the power cord for any signs of wear or damage. Inspect the splitting wedge for sharpness and damage.
- Storage: Store the log splitter in a dry, secure location, protected from weather and unauthorized access.
6. Troubleshooting
This section provides solutions to common issues. For problems not listed here, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor does not start. | No power supply; faulty power cord; thermal overload activated. | Check power connection and outlet. Inspect power cord. Allow motor to cool down if overheated. |
| Ram does not extend or has low force. | Low hydraulic oil level; air in hydraulic system; log too large/hard. | Check and refill hydraulic oil. Bleed air from system (refer to specific instructions). Do not attempt to split oversized logs. |
| Unusual noise during operation. | Loose components; foreign object; motor issue. | Stop operation immediately. Disconnect power. Inspect for loose parts or foreign objects. If noise persists, contact service. |
7. Specifications
Key technical specifications for the Vigor Horizontal Log Splitter VSO-5T 520:
- Model: VSO-5T 520 (Art. 65047-13/2)
- Power: 1500 Watt
- Voltage: 230V (Monophase)
- Motor Speed: 2,800 g/min (RPM)
- Splitting Force: 5 Ton
- Hydraulic Pressure: 20 MPa
- Hydraulic Oil Capacity: 3.3 Liters
- Max Log Diameter: 25 cm
- Max Log Length: 52 cm
- Insulation Class: I
- Product Dimensions (packaged): 100 x 48 x 38 cm
- Product Weight (approx.): 59 kg (unit), 62 kg (packaged)
- Included Components: Steel stand with wheels
8. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service inquiries, please contact Vigor customer service or your authorized dealer. Provide your product model number (6504713) and serial number (if applicable) when contacting support.
You can find more information on the official Vigor website or through your local distributor.





