1. Product Overview
This manual provides instructions for the installation and maintenance of the yiqianba 529731001 Stage 2 Fan replacement part. This component is designed to restore optimal performance to compatible jet fan blowers.
1.1. Compatibility
The 529731001 Stage 2 Fan is compatible with the following models:
- Ryobi Jet Fan Blower model RY25AXB
- Black Max Jet Fan Blower model BM25AXB (also known as RY25AXBNVM)
Please verify your blower model number before proceeding with installation to ensure proper fit and function.
1.2. Package Contents
- 1x yiqianba 529731001 Stage 2 Fan
2. Safety Information
WARNING:
- Always disconnect the power source (e.g., remove battery or unplug from outlet) from the blower before attempting any installation, maintenance, or repair.
- Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, during installation.
- If you are unsure about any step, consult a qualified service technician.
- Keep children and bystanders away from the work area.
3. Installation Instructions
This section outlines the general procedure for replacing the Stage 2 Fan. Specific steps may vary slightly depending on your blower model. Refer to your blower's original instruction manual for detailed disassembly and reassembly procedures.
- Prepare the Blower: Ensure the blower is turned off and disconnected from its power source. Place the blower on a stable, clean work surface.
- Access the Fan Assembly: Carefully disassemble the blower casing to gain access to the existing fan assembly. This typically involves removing screws and separating housing components.
- Remove the Old Fan: Identify the Stage 2 fan. It may be secured with a nut, bolt, or press-fit mechanism. Remove any fasteners and carefully detach the old fan.
- Inspect Components: Before installing the new fan, inspect the surrounding components for any damage, wear, or debris. Clean any accumulated dirt or dust.
- Install the New Fan: Position the yiqianba 529731001 Stage 2 Fan onto the motor shaft, ensuring it is correctly oriented. Secure it using the original fasteners or by pressing it firmly into place, as per your blower's design.
- Reassemble the Blower: Carefully reassemble the blower casing, ensuring all screws are tightened securely and all components are properly aligned. Do not overtighten screws.
- Test Functionality: Once reassembled, connect the blower to its power source and perform a brief test run to ensure the new fan operates smoothly and without unusual noises or vibrations.

Figure 1: The yiqianba 529731001 Stage 2 Fan replacement part. This image shows the black plastic fan with multiple blades designed for air movement within a jet fan blower.
4. Maintenance
Regular inspection and cleaning can extend the life of your blower and its components.
- Periodic Inspection: Periodically inspect the fan for any signs of damage, cracks, or debris accumulation.
- Cleaning: If accessible, gently clean the fan blades and surrounding areas with a soft brush or compressed air to remove dust, leaves, or other obstructions. Ensure the blower is disconnected from power before cleaning.
- Storage: Store the blower in a clean, dry place when not in use.
5. Troubleshooting
If your blower is not performing as expected after fan replacement, consider the following:
- Reduced Airflow:
- Ensure the fan is installed correctly and securely on the motor shaft.
- Check for any obstructions in the air intake or output vents.
- Verify that the blower casing is fully sealed and reassembled correctly.
- Unusual Noise or Vibration:
- Confirm the fan is properly seated and balanced.
- Check for any loose components within the blower housing.
- Inspect the fan blades for damage or foreign objects.
- Blower Not Starting:
- Ensure the power source is connected and functional.
- This fan is a mechanical part; if the blower does not start, the issue is likely with the motor, switch, or power supply, not the fan itself.
If problems persist, consult a qualified service technician or refer to your blower's original troubleshooting guide.
6. Specifications
| Part Number | 529731001 |
| Brand | yiqianba |
| Compatible Blower Models | Ryobi RY25AXB, Black Max BM25AXB (RY25AXBNVM) |
| Material | Durable high-quality materials (as per manufacturer) |
| Cooling Method | Air |
| Noise Level (Fan component only) | 1 Decibel (Note: This value is unusually low and likely refers to the component's inherent noise, not the overall blower's operating noise.) |
| Maximum Rotational Speed (Fan component only) | 1 deg/sec (Note: This value is unusually low and likely refers to a specific test condition or is a placeholder. Refer to the blower's motor specifications for actual operating RPM.) |
| UPC | 756407129317 |
7. Warranty and Support
For information regarding warranty coverage or technical support for the yiqianba 529731001 Stage 2 Fan, please contact the retailer or manufacturer directly. Keep your purchase receipt as proof of purchase.
For support related to your Ryobi or Black Max blower, please refer to the original manufacturer's documentation or contact their customer service.