Bafang FM G311.250.D Motor Nylon Gear Set Replacement Instruction Manual

1. Introducció

This manual provides essential information for the installation, maintenance, and safe use of the Nylon Gear Set Spare Part designed for the Bafang FM G311.250.D motor. This gear set is an original replacement component, ensuring compatibility and optimal performance for your electric bicycle motor.

2. Components del producte

Cada conjunt inclou els components següents:

• 3 x Nylon Gears (Helical, 18-33 Teeth)
• 3 x Bearings (each bearing assembly includes 1 ball bearing and 2 washers)

3. Especificacions

4. Configuració i instal·lació

This nylon gear set is designed as a direct replacement for the original gears within the Bafang FM G311.250.D motor. Due to the intricate nature of electric motor components, professional installation by a qualified technician is highly recommended.

General Installation Guidelines (Consult a professional):

1. Preparació: Ensure the e-bike is powered off and the battery is disconnected before beginning any work on the motor.
2. Accés: Carefully open the motor casing to access the internal gear mechanism. Note the orientation and placement of existing components.
3. Eliminació: Remove the old nylon gears and bearings. Inspect the motor housing and other components for any signs of wear or damage.
4. Instal·lació: Install the new nylon gears and bearings in the correct orientation. Ensure all components fit snugly and move freely without obstruction.
5. Lubricació: Apply appropriate grease to the gears and bearings as specified by Bafang or e-bike motor maintenance guidelines.
6. Remuntatge: Carefully reassemble the motor casing, ensuring all seals are properly seated to prevent ingress of dirt or moisture.
7. Prova: After reassembly, perform a functional test of the motor at low power before full operation.

Note: This product is specifically for the Bafang FM G311.250.D motor. It may not be compatible with other motor models. Please verify your motor model before purchase.

5. Manteniment

Proper maintenance can extend the lifespan of your motor's gear set:

• Inspecció periòdica: Periodically inspect the motor for unusual noises or vibrations, which could indicate gear wear.
• Lubricació: Ensure the gears are adequately lubricated with appropriate grease as per Bafang's recommendations for your motor model. Lack of lubrication can lead to premature wear.
• Neteja: Keep the motor area clean and free from dirt, dust, and debris, which can contaminate the gears and bearings.
• Eviteu la sobrecàrrega: Operating the e-bike within its recommended load limits helps prevent excessive stress on the motor and its internal components.

6. Solució De Problemes

If you experience issues after replacing the gear set, consider the following:

• Sorolls inusuals: Grinding or clicking sounds may indicate incorrect gear installation, insufficient lubrication, or damage to other motor components. Re-check installation and lubrication.
• El motor no s'engega: Ensure all electrical connections are secure and the motor is properly reassembled. If the motor spins but provides no power, the gears might not be correctly meshed or could be damaged.
• Rendiment reduït: This could be due to incorrect gear installation, wear on other motor parts, or issues unrelated to the gear set.

For complex issues, it is always best to consult a professional e-bike repair service.

7. Advertències de seguretat

⚠️ Avís legal: Please mind potential fire risk and strictly follow the instruction manual for charging and storage of your e-bike battery and overall system. While this gear set itself does not pose a fire risk, it is part of an electrical system where such risks can exist if not handled properly.

• Always disconnect the e-bike battery before performing any maintenance or installation on the motor.
• Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, when working with mechanical components.
• Ensure all tools are used correctly to prevent injury or damage to components.
• Keep small parts, such as bearings and washers, out of reach of children.

8. Garantia i Suport

Aquest producte ve amb un 1 any de garantia from the date of purchase. The warranty covers manufacturing defects and material faults under normal use conditions.

La garantia no cobreix:

• Danys causats per una instal·lació incorrecta o reparacions no autoritzades.
• Damage due to misuse, neglect, or accidents.
• Desgast normal.

For warranty claims, technical support, or any questions regarding this product, please contact the seller or authorized service center with your proof of purchase.