1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your doinal 8 Inch Electric Scooter Hub Motor. Please read this manual thoroughly before use and retain it for future reference.
2. Product Features
- Basic Parameter: Electric scooter hub motor 500W, voltage: DC 48V, rated speed 930-950rpm, rated current 11A, max torque: 22 N.m.
- Premium Rubber Tire: 8-inch hub motor wheel with aluminum alloy hub and rubber solid tire. Designed for puncture and tire blowout resistance, water-resistance, and rust-resistance for easier maintenance and longer service life.
- Easy Installation: Brushless gearless hub motor with low noise and stable drive. Open size: 108mm. Ensure the motor wheel size is suitable for your project.
- Wide Application: Suitable for electric scooter parts, e-scooter conversion kits, light electric vehicles, wheelchairs, and electric scooter accessories.
- Quiet Operation: Designed for noise control, the motor runs quietly, enhancing riding comfort and reducing impact on the surrounding environment.
3. Package Contents
The package includes the following items:
- 1 x WHEEL HUB MOTOR
Note: A 48V 500W 20-25A controller is recommended and sold separately.
4. Specifications
| Specification | Value |
|---|---|
| Model | AO8IN-HUB |
| Rated Voltage | 48V |
| Rated Power | 500W |
| Rated Current | 11A |
| Rated Speed | 930-950rpm |
| Max Torque | 22 N.m |
| Wheel Size | 8 Inches |
| Tire Type | Rubber Solid Tire |
| Open Size (Dropout) | 108mm |
| Item Weight | 7.3 Pounds (approx. 3.3 kg) |
| Material | Metal (Aluminum Alloy Hub) |
| Braking Method | Drum brake |
| Speed (approx.) | 25-35 KM/H (influenced by road conditions, load, and vehicle type) |
Figure 1: Detailed view of the 8-inch hub motor, showing the drum brake mechanism and technical dimensions for installation.
5. Setup and Installation
Proper installation is crucial for the performance and safety of your electric scooter hub motor. Follow these general guidelines for connecting the motor to your scooter's electrical system.
5.1 Wiring Connections
The hub motor requires connection to a compatible controller and throttle. Identify the Hall sensor wires and motor phase wires from the motor's cable harness.
Figure 2: Close-up of the electrical connectors, clearly labeling the Hall sensor wires and motor phase wires for correct installation.
Connect the motor's wires to the corresponding ports on your controller. Ensure all connections are secure to prevent disconnections during operation.
5.2 Controller Self-Learning Function
When the wheel motor is connected to the controller for the first time, it needs to use the self-learning function. Refer to your controller's manual for specific instructions on how to activate and complete this process. This function allows the controller to recognize the motor's parameters for optimal performance.
5.3 Visual Installation Guide
Video 1: This video demonstrates the connection process for the doinal 8 Inch Electric Scooter Hub Motor, showing how to link the motor to a controller and throttle.
Figure 3: Front view of the 8-inch electric scooter hub motor, featuring the integrated tire and electrical wiring.
6. Operating Instructions
Once the hub motor is correctly installed and connected to a compatible controller and power source, operate your electric scooter according to the manufacturer's instructions for the scooter itself. The motor provides power for propulsion, controlled via the throttle mechanism.
- Speed Control: The speed of the scooter is regulated by the throttle. Apply throttle gradually for smooth acceleration.
- Braking: The motor is equipped with a drum brake. Ensure the brake system is properly installed and adjusted for effective stopping power.
- Performance: The motor's performance (speed, torque) is influenced by factors such as road conditions, rider weight, and battery charge level.
7. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your hub motor.
- Tire Inspection: Regularly check the solid rubber tire for wear, cuts, or damage. While resistant to punctures, severe damage can affect performance and safety.
- Motor Housing: The motor is designed with water and rust resistance. However, avoid prolonged exposure to heavy rain or submersion in water. Clean the exterior of the motor periodically to remove dirt and debris.
- Electrical Connections: Periodically inspect all electrical connections for tightness and signs of corrosion. Loose connections can lead to intermittent power or damage.
- Brake System: Check the drum brake mechanism for proper function and wear. Adjust or replace components as necessary to maintain effective braking.
Figure 4: Close-up of the drum brake mechanism on the hub motor.
8. Troubleshooting
If you encounter issues with your doinal 8 Inch Electric Scooter Hub Motor, consider the following common troubleshooting steps:
- Motor Not Spinning:
- Check all electrical connections, especially the motor phase wires and Hall sensor wires, to ensure they are secure.
- Verify the battery is charged and providing adequate voltage to the controller.
- Ensure the controller's self-learning function has been successfully completed.
- Inspect the throttle for proper function.
- Reduced Performance:
- Check battery charge level.
- Inspect the motor for any physical obstructions or damage.
- Ensure the tire is free from excessive wear or damage.
- Unusual Noises:
- Check for loose components or foreign objects near the motor.
- If the noise persists and is unusual, discontinue use and contact support.
If issues persist after basic troubleshooting, please contact doinal customer support for further assistance.
9. Safety Information
Always prioritize safety when installing, operating, and maintaining your electric scooter hub motor.
- Wear appropriate safety gear, including a helmet, when operating an electric scooter.
- Ensure all components are securely fastened before riding.
- Do not modify the motor or controller in ways not specified by the manufacturer.
- Avoid riding in extreme weather conditions or on unsafe terrain.
- Keep hands and clothing clear of moving parts.
- Always follow local laws and regulations regarding electric scooter use.
10. Warranty and Support
The doinal 8 Inch Electric Scooter Hub Motor is covered by a standard return policy. For specific warranty details, please refer to the purchase documentation or contact the seller directly.
If you encounter any issues or require technical support, please contact the seller or doinal customer service. When contacting support, please provide your product model number (AO8IN-HUB) and a detailed description of the issue.
Seller Contact Information:
- For issues, contact the seller (eBuy-smart) through your Amazon order history.
