Xiaomi Ninebot Mini User manual

Contents：
T S IMBV10 Ninebot
Mini Service
manual V01
Table of
contents:
1. Equipment
/Tools
2. Replacement
3. Assembling
Scope
This specification
applies to authorized
service centers across
the world.
Updated
Version:
V012015-10-19
Ninebot Mini Service Manual
1.Work Plan
1.1Conditions
1.1.1 Should obtained a training certificate and be eligible
for service and maintenance.
1 . 1 . 2Environmental requirements: The staff should have the
tools and anti-static gloves before start the repair and
maintenance.
Interior protection:
setup the working area as electrostatic protection for the
device to prevent
electrostatic leakage, dissipation, and, humidifier, shielding and
grounding.

1.2 Work Plan
Following tools are required for maintenance:
1 . 2 . 1 Tool name: Allen wrench_2mm:
Eight screws of whole unit can be dismantling by
the following tool.
f
1 . 2 . 2Tool name: Allen wrench_2 . 5mm:
Tools purposes: For dismantling the whole vehicle in a screw shrapnel stopper,
the front and rear lights have a total of eight screws, wheels decorative cover eight
screws, foot mat eight screws, compact plastic bowls eight screws, the cabin six screws,
foam pads and leg pad mount at six screws, PCB two screws.

1 . 2 . 3 Tool name: Allen wrench_3mm:
Tools purposes: for dismantling the battery 4 screws, fender eight screws, two
screws of PCB, steering assembly 4 screws.
1.2.4Tool name: Allen wrench_4mm:
Tools purposes: for removal knee handle bar two screws.

1.2.5
Tool name: Allen wrench_6mm:
Tool Purpose: Removal of motor and wheel 8 screws.

1.2.6 Screwdriver _PH2*150mm
Tool Purpose: linear Hall plate 2 screws, the controller 4 screws

2.Disassembling
Note: Please shutdown before disassembling, press the power button after
removing the battery, to prevent the damage to equipment
2
. 1 Disassembling the knee bar:
Follow the pictures and remove the steering cover first and then remove knee bar
assembly with hand.
Loosen the quick release and then remove the knee bar assembly

2 . 2 Disassembling the knee control steering assembly:
Use Allen wrench _4mm to remove the two M5*16 screws, the knee control
steering can be disassembled.
2
. 3 Removal of foam knee pads:
Use Allen wrench_2 . 5mm to remove the M4*8 six screws for disassembling the
left and right foam pads of knee bar.

2 . 4 Battery Removal:
Use Allen wrench_3mm to remove four M4*16 screws, Lift out the battery
vertically.
2
. 5 Discharging
Discharge the electricity by pressing power button.

2 . 6Remove the pressure wire & Wire straps:
Remove the wire harness strap，plug off the pressure wire from the controller board.
2 . 7 Front decorative lamp strip:
Use Allen wrench_2
. 5mm dismount the four M3* screws to dismantle the strip. Pull the
strip horizontally.

2.8 Removal of control board:
Dismantle four M4*12 screws with a hex wrench _3mm, dismantle two M4 * 8
screws hex wrench _2.5mm, Use screwdriver (2 * 150mm) to disassemble four M3 * 8
screws, Disconnect the three phase wires of both motors (L & R) and the motor
decoder. After disconnecting all the wires, lift up the control board slightly.
(note the wires of gravity sensor)

2
. 9 Removal of rear light strip:
Use Allen wrench _2.5mm dismount the four M3* screws to dismantle the strip.
Pull the strip horizontally. Pull out the wire harness strip as shown in figure.
2 . 10 Removal of Foot sensors assembly (L & R):
Dismantle eight M4*8screws with a hex wrench _2.5mm to disassemble the left
and right foot sensors assembly. Remove the two compact bowls right below the foot
sensors clamps.

2
. 11 Disassembling the Wheel hub Motor:
Dismantle eight M8*25screws with allen wrench _6mm to disassemble the left
and right wheel hub motor.
2
. 12 Disassembling decorative blade
Use straight screwdriver to remove the four decorative blade.

2
. 13 Disassembling decorative cover
Use hex wrench _2.5mm dismount the eight screws (M3*8)to disassemble the left and
right decorative cover.
2
. 14 Removal of Fenders
Dismantle eight M4*12screws with a hex wrench _3mm to disassemble the left
and right fender.

2
. 15 Remove waterproof soft rubber:
Remove the waterproof soft rubber.

2 . 16 Disassembling the Foot mat assembly:
Dismantle eight M3*6screws with a hex wrench _2.5mm to disassemble the foot
mat assembly.
2
. 17 Removal of foot mats and pedal frame:
Foot mats and pedal frame separation. (NOTE: Do not tear mats)

2
. 18 Removal of Cabin:
Dismantle six M4*8screws with a hex wrench _2.5mm to disassemble the display
cabin. (NOTE: take off the hall sensor cable before lifting up the cabin ).
2 . 19 Disassembling the steering assembly:
Dismantle four M5*12 screws with a hex wrench _2.5mm to disassemble the steering
assembly.

2
. 20 Removal of hall sensor:
Dismantle four M3*5screws with a screwdriver PH2*15omm to disassemble the hall sensors.
2 . 21 Dismantling the shaft:
Remove the shaft pressing member as shown in figure.

2
. 22 Removing the sliding flange bearings and shaft:
Separation of flange plain bearings and shaft semi-finished products is shown in the
below figure.

2
. 23 Remove the Spring steel plate
Removal of the Spring steel plate is shown in the figure below.
2
. 24 Removal of elastic stopper:
Dismantle M4*8screws with a hex wrench 2.5mm to disassemble the elastic stopper as
shown in the figure.

2
. 25 Removal of Rubber ‘O’ ring:
Removal process is given below.