V1.0.0
3
Foreword
Key points in maintenance of Niu KQi3 are described in this maintenance manual.
Preparations in the maintenance manual include notes to all operations. Please read the manual
carefully before operating.
Key points in the inspection and adjustment, including maintenance methods for scooter safety and
component performance that are applied from regular examinations, are described.
Chapters are edited with disassembly diagrams, system figures and instructions about the maintenance
and failure diagnosis.
Note:
Modifications of scooter version or structure as well as photos, pictures or instructions in the manual are
referred to physical objects without further notice.
Maintenance Information
The maintenance and reparation information contained in this manual is for technical specialists only.
Maintenance or reparation performed by those who are not trained properly and provided with
appropriate tools and equipment may cause injuries to themselves or others and also lead to damages
or unsafe conditions of the scooter.
The proper maintenance and reparation procedures, some of which require special tools and equipment,
are described in this manual. The risks in terms of personal safety and scooter operation safety, which
may be resulted from the use of components, maintenance procedures or tools not recommended by
Niu must be verified.
Please make replacement with original electric components made by Niu or equivalents that have
corresponding part numbers. We strongly recommend you not to use inferior components.
Customer Safety Notice
The proper maintenance is crucial for customer safety and scooter reliability. Any errors or omissions in
scooter maintenance may result in operating malfunctions, scooter damages or injuries.
Improper maintenance or reparation may lead to unsafe conditions under which serious injuries or even
death of your customers or other people may be incurred.
Please carefully follow the procedures and cautions in this manual and other maintenance materials.
Personal Safety Notice
This manual is used only by professional maintenance technicians, and the warning information about
multiple basic workshop safety operation procedures (such as the procedure that requires gloves when
working on hot components) is n=ot set forth herein. We recommend you not to carry out procedures
specified in this manual without readiness if you have not received the workshop safety training or
grasped the knowledge about maintenance safety specifications.
The following are listed as several most importance general notes to maintenance safety. However, we
are unable to set forth the warning for each of risks that may arise from maintenance and reparation
procedures. You have to determine at your discretion whether a detail task should be implemented.
Failure to properly follow relevant instructions and notes may result in serious injuries or even death.
Please carefully follow procedures and notes in this manual
Summary of Contents for Kick Scooter KQi3
Page 1: ...V1 0 0 1 Kick Scooter KQi3 Service Manual Jiangsu Niu Electric Technology Co Ltd...
Page 20: ...V1 0 0 20 headlamp Section 4...
Page 25: ...V1 0 0 25 handlebar Section 5...
Page 27: ...V1 0 0 27 handlebar Section 5...
Page 34: ...V1 0 0 34 controller and battery pack Section 7 controller...
Page 35: ...V1 0 0 35 Lithium battery pro version sport version...
Page 42: ...V1 0 0 42 rear wheel and rear wheel fender Section 8 controller...
Page 49: ...V1 0 0 49 rear wheel and rear wheel fender Section 8 controller...
Page 59: ...V1 0 0 59 Wiring Diagram...
Page 60: ...V1 0 0 60 Fault Codes Dashboard Display and Screen Display in the Event of a Vehicle Fault...
Page 62: ...V1 0 0 62...
