BAFANG M420 User Manual

5
DEALER MANUAL FOR MOTOR
BF-DM-C-MM G332-EN October 2019
6.3 DRIVE UNIT INSTALLATION
6.3.1 List of Tools to be used
Do not use impact wrenches.
Use of the Tools Tools
To tighten/loosen the screw onto the frame adapter and
the drive unit.
To tighten/loosen screws on the crank.
Internal hex wrench
To tighten/loosen screws on the motor cover.
Cross screwdriver
To tighten/loosen the locking nut on the chain ring.
Special tools
To tighten/loosen nuts on the frame adapter and the drive
unit.
Socket spanner
6.3.2 Motor Installation
M8 Special bolts
M8 Flat washer-A
M8 Locknuts
Standard tool
A
C
B
D
1) Align the three mounting holes in the drive unit, with the mounting holes in the bike frame. From the
right side of the bike frame, insert three special M8 bolts through the frame and motor to keep the motor
in place.
2) Now from the left side of the Bike, place the washer over the bolts, and using three M8 Locking nuts
(13*13) tighten the bolts to secure the motor to the frame.

BAFANG M420 Specifications

General

Rated Voltage	36 V
Power	250 W
Gear Sensor	Yes
Type	Mid Motor
Max Torque	80 Nm