BAFANG M820 Motor Instruction Manual
- June 12, 2024
- BAFANG
Table of Contents
BAFANG M820 Motor
INTRODUCTION
-
Product Model
MM G532.250.C
-
Scope
Applies only to electrically powered bicycles, and specifically designed or licensed for Purposes.
It is suitable for road bikes on city roads, cement and asphalt roads and travel bikes on gravel roads. It should not be used commercial purposes. -
Identification
The following graphic, is the identification numbers of the product, which are shown on the housing:
Note: Content in the label is important information about this product. Please do not remove the information from the motor
SPECIFICATIONS
Motor model: MM G532.250.C
| Rated power (W | 250 |
|---|---|
| Rated voltage (V) | 43 |
| Waterproof | IP65 |
| Certification | EMC / ISO13849 |
| Outdoor Temperatures | -20℃~45℃ |
Outline and Geometric Size
Surface
Shockproof black coating
Storage Information
The pedelec should be stored in a ventilated dry room. Avoid storing the pedelec near strong magnetic objects.
DRIVE UNIT INSTALLATION
List of Tools to be Used
| Use of the Tools | Tools |
|---|---|
| To tighten/loosen bolts onto the frame interface and the drive unit |
Internal hex wrench
To tighten/loosen nuts onto the frame interface and the drive unit| | Socket
spanner
To tighten/loosen M15 waterproof screws on the crank| | Internal hex wrench
To tighten/loosen lock-nut on chain wheel| | BAFANG Tool
To tighten/loosen screws on the speed sensor| | Cross screwdriver
| Star screwdriver
Cabling
(A) Female 8 pin connector at the drive unit
(a) Male 8 pin connector from EB-BUS to speed sensor
(B) Male 8 pin connector at the drive unit
(b) Female 8 pin connector from EB-BUS
(C) Male connector for power supply at the drive unit
(c) Female connector for power supply at the battery
Motor Installation
(A) M8 bolts
(B) M8 Flat washer
(C) M8 Lock nuts
(D) Standard tool
- Align the three mounting holes of the drive unit with the mounting holes in the bike frame. From the right of the bike frame insert three M8 bolts into the mounting holes in the bike frame and the drive unit.
- From the left, use standard tool tighten the three M8 Lock nuts with flat washer on the bike frame.
Tightening torque requirement: 35 N.m.
Drive Unit Cover Installation
(A) Left cover
(B) Right cover
(C) M3*8 star pan head screws
Use a screwdriver (T10) and with three M3*8 star pan head screws to fasten the
motor cover and the interface together, the tightening torque requirement is
0.9-1.0 N.m.
Motor Installation
(A) Chain wheel
(B) Lock ring
(C) BAFANG’s tool
(D) Standard tool
Put the chain wheel onto the spline shaft of the drive unit. Use BAFANG’s tool
to fasten the lock ring counterclockwise onto the spline shaft. Torque
requirement: 35 N.m.
Crank Installation
(A) Left crank
(B) Right crank
(C) M15 waterproof screws
Mount right crank on the right shaft, with internal hex wrench fasten the M15
screws on the shaft (tightening torque is 45-50 N. m). Same way will left
crank mount on the shaft (Note: Please guarantee the left and right crank
parallel).
External Speed Sensor Installation
(A) Speed sensor
(B) Magnet for the speed sensor
Fasten the mounting screws through the speed sensor and with a cross
screwdriver. Tightening the speed sensor onto the frame. Torque requirement:
1.5-2 N. m. (Note: Please make sure the gap between the speed sensor and the
magnetic unit is between 10 and 20 mm.)
Now place the magnet on the spoke of the wheel ensuring it is aligned to the
middle of the speed sensor. And with a star key tighten the magnet in place.
Torque requirement: 1.5-2 N. m.
MAINTENANCE
- Maintenance must be carried out by authorized personnel with the correct equipment.
- Do not disassemble the motor.
- Do not use thinners or other solvents to clean the components. Such substances can damage the surfaces.
- Avoid water submerging, to keep the components protected.
- Avoid using high-pressure cleaning jets.
- For prolonged storage, turn off the battery and avoid storing near heat sources.