M820 Motor
Product Information
Dealer Manual for Motor
The Dealer Manual for Motor provides detailed information and
instructions for the MM G532.250.C motor. It includes
specifications, installation procedures, and maintenance
guidelines.
Specifications
- Motor Model: MM G532.250.C
- Rated Power: 250W
- Rated Voltage: 43V
- Waterproof Certification: IP65
- Outdoor Temperatures: -20°C to 45°C
Surface
The motor is coated with a shockproof black coating.
Storage Information
The pedelec should be stored in a ventilated dry room. It is
important to avoid storing the pedelec near strong magnetic
objects.
Product Usage Instructions
Drive Unit Installation
List of Tools to be Used
- Internal hex wrench
- Socket spanner
- Cross screwdriver
- Star screwdriver
- BAFANG Tool
- Standard tool
Cabling
Use the appropriate tools to connect the drive unit to the bike
frame, speed sensor, and power supply.
Motor Installation
- Align the three mounting holes of the drive unit with the
mounting holes in the bike frame. - Insert three M8 bolts from the right side of the bike frame
into the mounting holes. - Tighten the three M8 lock nuts with flat washer on the bike
frame using a standard tool. Tightening torque requirement: 35
N.m.
Drive Unit Cover Installation
- Fasten the left and right covers of the motor with three M3*8
star pan head screws using a screwdriver (T10). - The tightening torque requirement is 0.9-1.0 N.m.
Chain Wheel Installation
- 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
- Mount the right crank on the right shaft and fasten the M15
screws on the shaft using an internal hex wrench. - Tightening torque requirement: 45-50 N.m.
- Repeat the same process for the left crank, ensuring it is
parallel to the right crank.
DEALER MANUAL FOR MOTOR
6 DEALER MANUAL FOR M820 (MM G532.250.C)
CONTENT
6.1 Introduction 6.2 Specifications
6.2.1 Outline and Geometric Size 6.2.2 Surface 6.2.3 Storage Information 6.3 Drive Unit Installation 6.3.1 List of Tools to be Used
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6.3.2 Cabling
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3
6.3.3 Motor Installation
6
3
6.3.4 Drive Unit Cover Installation
6
4
6.3.5 Chain Wheel Installation
7
4
6.3.6 Crank Installation
7
5
6.3.7 External Speed Sensor Installation
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5
6.4 Maintenance
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6.1 INTRODUCTION
· Scope Applies only to electrically powered bicycles, and specifically designed or licensed for Pedelec. 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:
· Product Model MM G532.250.C
Note: Content in the label is important information about this product. Please do not remove the information from the motor.
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DEALER MANUAL FOR MOTOR
6.2 SPECIFICATIONS
Motor model: MM G532.250.C Rated power (W) Rated voltage (V) Waterproof Certification Outdoor Temperatures
6.2.1 Outline and Geometric Size
250 43 IP65 EMC / ISO13849 -20~45
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6.2.2 Surface
Shockproof black coating
6.2.3 Storage Information
The pedelec should be stored in a ventilated dry room. Avoid storing the pedelec near strong magnetic objects.
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DEALER MANUAL FOR MOTOR
6.3 DRIVE UNIT INSTALLATION
6.3.1 List of Tools to be Used
Use of the Tools To tighten/loosen bolts onto the frame interface and the drive unit
To tighten/loosen nuts onto the frame interface and the drive unit
To tighten/loosen M15 waterproof screws on the crank
To tighten/loosen lock-nut on chain wheel
Tools Internal hex wrench Socket spanner Internal hex wrench BAFANG Tool
To tighten/loosen screws on the speed sensor
6.3.2 Cabling
Cross screwdriver
Star screwdriver
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
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6.3.3 Motor Installation
A M8 bolts B M8 Flat washer C M8 Lock nuts D Standard tool
1) 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. 2) 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.
6.3.4 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.
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DEALER MANUAL FOR MOTOR
6.3.5 Chain Wheel 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.
6.3.6 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).
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6.3.7 External Speed Sensor Installation
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.
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6.4 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.
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