BAFANG MM G532.250.C User manual

1
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G532-EN November 2019
6.1 Introduction 2
6.2 Specifications 3
6.2.1 Outline and Geometric Size 3
6.2.2 Surface 4
6.2.3 Storage Information 4
6.3 Drive Unit Installation 5
6.3.1 List of Tools to be Used 5
6.3.2 Cabling 5
6.3.3 Motor Installation 6
6.3.4 Drive Unit Cover Installation 6
6.3.5 Chain Wheel Installation 7
6.3.6 Crank Installation 7
6.3.7 External Speed Sensor Installation 8
6.4 Maintenance 9
CONTENT
6 DEALER MANUAL FOR M820
(MM G532.250.C)

2BF-DM-C-MM G532-EN November 2019
6.1 INTRODUCTION
•Product Model
MM G532.250.C
•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:
Note: Content in the label is important informa-
tion about this product. Please do not remove
the information from the motor.

3
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G532-EN November 2019
6.2 SPECIFICATIONS
Motor model: MM G532.250.C
Rated power (W) 250
Rated voltage (V) 43
Waterproof IP65
Certification EMC / ISO13849
Outdoor Temperatures -20℃~45℃
6.2.1 Outline and Geometric Size

4BF-DM-C-MM G532-EN November 2019
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.

5
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G532-EN November 2019
6.3 DRIVE UNIT INSTALLATION
6.3.1 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
6.3.2 Cabling
Female 8 pin connector at the drive unit
Male 8 pin connector from EB-BUS to
speed sensor
Male 8 pin connector at the drive unit
Female 8 pin connector from EB-BUS
Male connector for power supply at the
drive unit
Female connector for power supply at
the battery
A
B
a
b
C
c

6BF-DM-C-MM G532-EN November 2019
6.3.3 Motor Installation
M8 bolts
M8 Flat washer
M8 Lock nuts
Standard tool
A
C
B
D
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
Left cover
Right cover
M3*8 star pan head screws
A
C
B
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
BF-DM-C-MM G532-EN November 2019
6.3.5 Chain Wheel Installation
Chain wheel
Lock ring
BAFANG's tool
Standard tool
A
B
C
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
Left crank
Right crank
M15 waterproof screws
A
B
C
Mount right crank on the right shaft, with internal hex wrench fasten the M15 screws on the shaft (tigh-
tening torque is 45-50 N.m). Same way will left crank mount on the shaft (Note: Please guarantee the left
and right crank parallel).
D

8BF-DM-C-MM G532-EN November 2019
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.

9
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G532-EN November 2019
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.