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niu N-GT User Manual

niu N-GT
144 pages
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V1.0.0
1
N-GT Scooter
Dual batteries + Fast Charger
Service Manual
e13*168/2013*00546*00
Jiangsu Niu Electric Technology Co. Ltd
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niu N-GT Specifications

General IconGeneral
Motor Power3000 W
Top Speed70 km/h
BatteryLithium-ion
Brakes (Front)Disc
Brakes (Rear)Disc
Suspension (Front)Hydraulic
Suspension (Rear)Hydraulic

Summary

Foreword and Safety Information

Maintenance Information

Information for technical specialists on maintenance and repair procedures.

Safety Notices

Critical safety guidelines for proper maintenance and personal protection.

Importance Safety Notes

Key safety precautions for performing maintenance tasks.

Maintenance Rules and Guidelines

General Maintenance Rules

Rules for using tools, cleaning, and handling parts during maintenance.

Important Maintenance Notes

Essential notes on using original parts and proper assembly procedures.

Scooter Specifications and Identification

Scooter Identification

Details on how to identify the scooter's serial and frame numbers.

Overall Vehicle Specifications

Key dimensions, frame, suspension, and brake system specifications.

Electrical System Specifications

Specifications for motor controller, battery, and fast charger systems.

Parts Identification and Removal Procedures

Scooter Body Part Names

Identification of major external parts of the scooter body.

Component Removal Procedures

Step-by-step instructions for removing various scooter components like panels, locks, and lights.

Chassis and Suspension Systems

Front Wheel System

Details on front wheel parts, specifications, failure diagnosis, and inspection.

Front Fork System

Information on front fork components, specifications, and disassembly.

Steering Handlebar System

Details on handlebar components, specifications, diagnosis, and disassembly.

Rear Wheel System

Details on rear wheel parts, specifications, failure diagnosis, and disassembly.

Major Electrical and Power Systems

Electronic Components Overview

Identification of key electronic components like ECU, alarm, horn, and power lock.

Motor and Controller System

Motor type, controller functions, protective features, and technical specifications.

Battery Pack, BCS, and Charger

Information on lithium batteries, BCS, and fast charger systems.

System Checks and Troubleshooting

Harness Communication Checks

Procedures for checking communication between ECU, Battery, and FOC controller.

Component Functionality Tests

Guides for checking power input and function of controllers, switches, and lights.

Diagnostic Code Explanations

List of fault codes, their definitions, and priority levels.

Error Code Troubleshooting Procedures

Guidance on resolving errors related to batteries, BCS, charger, and FOC controller.

Regular Maintenance Checklist

General Maintenance Overview

General guide for scooter inspection, cleaning, adjustment, and lubrication.

Component-Specific Maintenance Checks

Detailed checks for accelerator, brakes, fluid, lamps, switches, and stand.

Fastener Torque Specifications

Recommended torque values for various nuts, bolts, and fasteners.

Wheels, Tires, and Steering Column Maintenance

Procedures for inspecting wheels, tires, bearings, and steering column.

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