Bafang SR PA 261.32.ST.C Torque Sensor Instruction Manual

1. Introducció

This manual provides essential information for the proper installation, operation, and maintenance of your Bafang SR PA 261.32.ST.C Torque Sensor. This sensor is designed to enhance your electric bicycle riding experience by providing pedal assistance based on the force you apply to the pedals. Please read this manual thoroughly before installation and use to ensure optimal performance and safety.

2. Informació de seguretat

Observeu sempre les precaucions de seguretat següents:

• Professional installation is highly recommended for all e-bike components.
• Ensure all connections are secure and properly insulated to prevent short circuits or damage.
• Do not attempt to modify the sensor or its wiring, as this may void the warranty and create safety hazards.
• Keep the sensor free from excessive moisture and extreme temperatures.
• Always disconnect the e-bike battery before performing any installation or maintenance.

3. Contingut del paquet

El paquet normalment inclou:

• 1 x Bafang SR PA 261.32.ST.C Torque Sensor
• (Additional mounting hardware or tools may be included depending on the seller)

4. Especificacions

Key specifications for the Bafang SR PA 261.32.ST.C Torque Sensor:

Dimensions:

• Total Length (A): 200mm
• Opening Width (B): 120mm
• Diameter (C): Ø44mm
• Thread (D): 2-BC1.37"*24T
• E: 73.5 mm
• F: 2-17, 2-17mm
• G: 2-M8*P1*25mm

5. Instal·lació i configuració

The Bafang SR PA 261.32.ST.C torque sensor is designed for central shaft bottom bracket installation. Due to the specialized nature of e-bike components, professional installation by a qualified technician is strongly recommended.

Passos d'instal·lació (Guia general):

1. Comprovació de compatibilitat: Verify that your bicycle's bottom bracket shell width is compatible with the sensor's 120mm opening width and 200mm total length. Refer to the dimensions in Section 4.
2. Preparació: Disconnect the e-bike battery. Remove the existing bottom bracket and crank arms from your bicycle.
3. Sensor Insertion: Carefully insert the torque sensor into the bottom bracket shell. Ensure proper alignment and orientation.
4. Securing the Sensor: Tighten the sensor's retaining rings to the recommended torque of 40 N.m. Use appropriate tools to prevent damage.
5. Cablejat: Connect the sensor's wiring harness to your e-bike's controller or display unit. Ensure all connections are firm and correctly matched according to your e-bike system's wiring diagram.
6. Crank Arm Installation: Reinstall your crank arms onto the sensor's spindle.
7. Comprovació final: Reconnect the battery and test the pedal assist function. Ensure smooth operation and proper engagement of the assist system.

6. Funcionament

The Bafang torque sensor provides a natural and intuitive pedal assist experience. It measures the force you apply to the pedals and signals the e-bike motor to provide assistance proportionally. The harder you pedal, the more assistance the motor provides, making your ride feel more like a traditional bicycle but with added power.

• Pedal Engagement: The assist system will engage as soon as you start pedaling and apply force.
• Nivell d'assistència: The level of assistance can typically be adjusted via your e-bike's display unit, allowing you to customize your riding experience.
• Desvinculació: The assist will disengage when you stop pedaling or apply the brakes.

7. Manteniment

Regular maintenance helps ensure the longevity and optimal performance of your torque sensor:

• Neteja: Keep the sensor and surrounding bottom bracket area clean from dirt, mud, and debris. Use a damp cloth for cleaning; avoid high-pressure water jets directly on the sensor.
• Comprovació de la connexió: Periodically inspect all electrical connections for corrosion or looseness. Ensure they are securely fastened.
• Comprovació de parell: Occasionally check the tightness of the bottom bracket retaining rings to ensure they remain at the specified 40 N.m torque.
• Inspecció de danys: Visually inspect the sensor and its wiring for any signs of physical damage, cracks, or frayed wires.

8. Solució De Problemes

If you encounter issues with your torque sensor, consider the following:

• No Pedal Assist:
  • Check all wiring connections between the sensor, controller, and battery.
  • Ensure the e-bike battery is charged and powered on.
  • Verify that the sensor is correctly installed and securely tightened.
  • Consult your e-bike's main controller manual for error codes or diagnostic procedures.
• Intermittent Assist:
  • Inspeccioneu el cablejat per detectar connexions soltes o danys.
  • Ensure the sensor is clean and free from obstructions that might interfere with its operation.
• Sorolls inusuals:
  • Check if the sensor is properly seated and tightened in the bottom bracket.
  • Ensure crank arms are correctly installed and tightened.

If problems persist, contact a qualified e-bike technician or the product support for assistance.

9. Consells d'usuari

• Instal·lació segura: Ensure all components, especially the bottom bracket retaining rings, are securely fastened to the recommended torque (40 N.m). This helps prevent movement and ensures consistent performance, addressing concerns about 'safety lock rings'.
• Compatibility is Key: Always double-check the dimensions of your bicycle's bottom bracket shell against the sensor's specifications (120mm opening width, 200mm total length) before purchase and installation to avoid compatibility issues.
• Wiring Management: Properly route and secure the sensor's wiring to prevent it from getting snagged, pinched, or damaged during riding.

10. Garantia i Suport

Per obtenir informació sobre la garantia, assistència tècnica o consultes sobre el servei, poseu-vos en contacte directament amb el venedor o el fabricant. Conserveu el rebut de compra com a comprovant de compra.

Fabricant: Bafang

Model: SR PA 261.32.ST.C