BAFANG SR PA Series Speed Sensor Owner’s Manual
- September 8, 2024
- BAFANG
Table of Contents
BAFANG SR PA Series Speed Sensor Owner’s Manual
INTRODUCTION OF SENSOR
- Scope: It is applicable to standard 68mm BB.
- The material of locking cap is PA (nylon).
This is a speed sensor for the BB (bottom bracket). This high-quality and high-performance BB speed sensor is installed on electric bicycles or tricycles. The CPU processes the speed signals collected by the speed sensor by means of non-contact induction and analyzes the motor operating direction. As the speed sensor (including its PCBA) is integrated within the BB, it is protected from friction and boasts a longer service life.
- Name: BB speed sensor
- Model: SR PA112.32.S
SR PA121.32.S
SR PA131.32.S
SR PA142.32.S
SR PA172.32.S
SPECIFICATIONS
Outline and geometric size
Connector Length(mm), Connector type: 150 G6.5.4 / 950 G6.5.4
Cautions
- The pedelec should be stored in a ventilated dry room. Avoid storing the pedelec near strong magnetic objects.
- Should not be used for a long time overload.
- Should avoid wading to use.
SENSOR INSTALLATION
List of Tools to be used
Install Sensor
Assemble requirements:
- The thread standard: BC1.37″*24
- On Chain wheel side must be left hand thread.
- On Non-chain wheel side must be right hand thread.
- Bottom Bracket: 68mm±0.5
1. Remove the nuts (A) and the left locking cap (B) of the sensor.
2. Check whether there are any iron chips, burrs or paint on the inner thread
of the BB. If any, please check it up. Apply grease on the thread cap.
3. Screw the left lock cap (B) clockwise from non-chain wheel side into the
bottom bracket.
4. Push cable (C) of sensor from chain wheel side through the hole in the
bottom bracket.
Make sure that the cable don’t slide back into the bottom bracket.
5. Place sensor into the BB of frame and screw the lock cap (from chain wheel side) anticlockwise into the BB.
6. Screw the lock cap anticlockwise into the bottom bracket and fasten with special tools. Tightening torque requirement: 30 Nm(max).
7. Fasten the lock cap on non chain wheel side clockwise with special tools. Tightening torque requirement: 30 Nm(max).
8. Put onto the dust-proof plug (F) at both sides of the shaft.
9. Put the rubber ring (G) into the cable outlet hole
Remove Sensor
BF-DM-C-SR PA1XX-EN November 2019
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