小牛电动
Niu Electric
- 22 -
Grasp the front wheel and try to move it leftward and rightward to check the front wheel bearing for
wearing.
Replace the front wheel bearing if it becomes loosened.
Turn the wheel to make sure that it can be rotated smoothly without an abnormal noise.
The front wheel bearing should be inspected as long as there are suspicious abnormal conditions.
Support the scooter, and then lift up the rear wheel.
Grasp the rear wheel and try to move it leftward and rightward to check the rear wheel bearing for
wearing.
Replace the rear wheel bearing if it becomes loosened.
Turn the wheel to make sure that it can be rotated smoothly without an abnormal noise.
The rear wheel bearing should be inspected as long as there are suspicious abnormal conditions.
Check the tire pressure with the tire pressure gauge when the tire has been cooled down.
Recommended tire pressure:
20-25psi
Front tire: 20-25psi
26-32psi
Rear tire: 26-32psi
Check the tire for cuts, embedded nails or other damages.
Check central flatness of the front and rear wheels.
Check the tread depth.
Steering column bearing
Support the scooter with the kickstand, and lift up the front wheel to make it off the ground.
Make sure that scooter handles can be turned freely to left and right sides.
Check the steering column bearing, if scooter handles are not moving smoothly or are stuck.
Fix the scooter and move the fork forth and back to check the steering column bearing for wearing.
Check the steering column bearing if the steering column is displaced vertically.
Wheel bearing
Rear wheel bearing
Steering column bearing
Summary of Contents for N1S
Page 12: ...Niu Electric 9 Scooter body scooter body panel...
Page 101: ...Niu Electric 98...
