Navimow X4/Terranox Series: Complete Parts Overview & Repair/Parts Replacement Guide

Navimow X4/Terranox Series: Complete Parts Overview & Repair/Parts Replacement Guide

Course Description:

This course guide is automatically available to customers who purchase a Navimow X4 / Terranox Series robotic mower from SmartDots. As part of our commitment to delivering a complete solution—not just a product—this course equips you with the knowledge and practical guidance needed to confidently service, maintain, and understand your robotic mower.

This guide provides a comprehensive, step-by-step breakdown of the Navimow X4 / Terranox Series, covering everything from unboxing and product familiarization to detailed repair and replacement procedures across all major assemblies. Through structured video demonstrations and guided walkthroughs, you will gain the confidence to handle routine servicing, troubleshoot issues, and perform component-level replacements.

Whether you are working on the external housing, drive system, cutting deck, internal electronics, or charging station, this course ensures you can perform tasks safely, efficiently, and with precision. Certain advanced repair sections are intended for trained servicing partners and may require specialized tools—please contact SmartDots if assistance is needed in those areas.

What this Guide Covers:

1. Product Overview & Setup

  • Overview of the Navimow X4 / Terranox Series unit
  • Unboxing, packing, and box contents
  • Best practices for handling and transporting the mower

2. External Structure & Housing Components

  • Complete overview of outer shell and body structure
  • Step-by-step replacement of:
    • Upper housing and handle
    • Rear shell and decorative covers
    • Ambient light, control buttons, and STOP button assembly
  • Proper handling and reassembly techniques

3. Drive System & Chassis Components

  • Detailed breakdown of the mower’s mobility system
  • Replacement and servicing of:
    • Drive wheels and wheel motors
    • Front axle components and steering systems
    • Rear axle assemblies, springs, and dust covers
    • Bumper systems and structural supports

4. Cutting Deck & Mowing Mechanism

  • Overview of the blade system and cutting deck
  • Step-by-step servicing of:
    • Blade disc assembly and protective covers
    • Blade disc guard and waterproof housing
  • Best practices for maintaining cutting performance and safety

5. Internal Electronics & Sensor Systems

  • Comprehensive overview of internal modules and control systems
  • Replacement and servicing of:
    • Drive PCBs and control boards
    • Sensor PCBs, Hall sensors, and discharge boards
    • Battery and power components
    • Camera modules and cooling systems
    • Display screen and keypad assemblies
    • GNSS (RTK) positioning components and antenna systems
    • Speaker module, rain sensor, and internal wiring harnesses
  • Understanding communication, positioning, and system control

6. Charging Station Components

  • Full charging station assembly overview
  • Step-by-step replacement of:
    • Charging station covers and handles
    • Internal charging components and shaft assemblies
  • Ensuring proper alignment and reliable charging performance

7. Advanced Diagnostics & Dealer-Level Repairs

  • Main control board replacement procedures
  • Front drive PCB and advanced internal components
  • Mowing motor and height adjustment system servicing
  • Full vehicle testing and field validation procedures

Note: This section is intended for trained technicians and servicing partners. Specialized tools and access may be required.

Course Format:

  • Step-by-step video demonstrations
  • Structured, module-based learning
  • Clear visual breakdown of parts and assemblies
  • Short, focused repair and replacement guides

Course Outcome:

By the end of this course, you will be able to confidently identify, service, and replace key components of your Navimow X4 / Terranox Series mower and its charging system. This knowledge will help you reduce downtime, extend the lifespan of your equipment, and maintain optimal performance throughout the mowing season.


Private Course
Please sign in to contact responsible
Responsible SmartDots Robotic Solutions
Last Update 04/19/2026
Completion Time 1 hour 29 minutes
Members 1
  • Unbox/Re-Box X3 Unit
    2Lessons · 6 min
  • Repair/Replacement Guide - Cover, Shell & Body
    4Lessons · 7 min
    • Upper Housing
      New
    • Upper Housing Handle
      New
    • Rear Shell Cover & Rear Decorative Cover Assembly
      New
    • Upper Housing Ambient Light, Button, STOP Button Assembly
      New
  • Drive Wheel Assembly
    4Lessons · 19 min
    • Drive Wheel(s)
      New
    • Front Axle Mounting Bracket, Bumper Sway Bar Link, Left Steering Motor, Left Wheel Motor
      New
    • Front Axle Cover, Bumper Decorative Cover, &Bumper Rubber, Bumper Inner Frame Assembly
      New
    • Rear Axle Mounting Bracket, Rear Axle Spring, Rear Axle Dust Cover, Rear Axle Assembly
      New
  • Cutting Deck Assembly
    2Lessons · 5 min
  • Internal Components - Boards and Modules
    9Lessons · 31 min
    • Rear Drive PCB Cover, Rear Drive PCB, Rear Drive PCB Radiator, Rear Drive PCB Bracket
      New
    • Hall PCB Assembly & OV Discharge Board PCB
      New
    • Battery
      New
    • Charging Port, Sensor PCB, Bumper, Left/Right
      New
    • Camera Unit, Camera Upper Housing Decorative Cover, Camera Upper Housing, Fan Assembly
      New
    • Display Screen
      New
    • GNSS Waterproof Cover, RTK O ring, GNSS PCB&Shielding Cover&GNSS PCB, GNSS Harness
      New
    • Keypad PCBA
      New
    • Speaker Module, Upper Housing Wire Harness Bracket, Piezoelectric Ceramics, Rain Sensor
      New
  • Charging Station Assembly
    2Lessons · 6 min
    • Charging Station Cover, CGS, Decorative Right & Left Handle, CGS Handle, CGS Assembly
      New
    • Charging Station Inner Cover, CGS & Charging Shaft, CGS, Assembly, Front Cover of Charging Station
      New
  • Servicing Dealers Access Only - Advanced Repair Guides
    4Lessons · 15 min
    • Upper housing Main Control Board
      New
    • Full Vehicle Test & Vehicle Field Test
      New
    • Front Drive PCB Bracket, Front Drive PCB
      New
    • Mowing Motor, Height Adjustment Motor, Height Adjustment Motor String
      New