John Deere 670G, 670GP, 672G and 672GP Motor Graders (SN: F678818-680877) Operation and Test Manual (TM14069X19)

 

Official Operation and Test Manual | Instant PDF Download

This OEM Operation and Test Manual provides detailed diagnostic and testing procedures for the John Deere 670G, 670GP, 672G, and 672GP Motor Graders within serial number range F678818–680877. Supplied in PDF format, it is intended for trained technicians and service professionals who need accurate system testing information.

Unlike a Repair Manual that focuses on mechanical disassembly and overhaul, this Operation and Test Manual explains how to evaluate machine performance, identify faults, and verify system operation before repairs are carried out.

Manual Specifications

Machine Models	John Deere 670G, 670GP, 672G, 672GP Motor Graders
Serial Number Range	F678818–680877
Manual Type	Operation and Test Manual
Manual Number	TM14069X19
File Format	PDF (Searchable, Printable, Bookmarked)
Compatibility	Windows, macOS, iOS, Android

What Is Included?

This manual delivers structured diagnostic coverage for the John Deere 670G and 672G series motor graders, allowing accurate troubleshooting and system verification.

System Group	Operation & Test Coverage
Engine Performance	Operational checks, engine monitoring parameters, performance testing
Powertrain	Transmission operation tests, drivetrain performance evaluation
Hydraulic Systems	Hydraulic pressure testing, flow checks, valve function testing
Steering & Articulation	Steering response tests, articulation system inspection procedures
Brake Systems	Service brake and parking brake functional testing
Electrical Systems	Electrical system diagnostics, circuit testing, sensor evaluation
Operator Controls	Control input verification, joystick and lever function testing
Calibration Procedures	System setup checks and performance validation procedures

About the John Deere 670G and 672G Motor Graders

The John Deere 670G and 672G series motor graders are designed for precision grading, road construction, and maintenance work. Accurate diagnostics are essential to maintain productivity and prevent unnecessary component replacement.

This Operation and Test Manual helps technicians isolate faults efficiently and confirm correct system operation before proceeding with repairs.

Why Buy From Manualsshop?

• Instant access to the manual after purchase
• OEM factory diagnostic documentation
• Clear layouts with searchable content
• Verified and complete PDF files

Frequently Asked Questions

Is this a repair manual?

No. This is an Operation and Test Manual focused on diagnostics, testing, and system evaluation. Mechanical repair procedures are covered in the Repair Manual.

Does this manual include electrical diagnostics?

Yes. Electrical system testing and diagnostic procedures are included as part of the operation and test coverage.

Who should use this manual?

This manual is intended for technicians and service personnel responsible for diagnosing and testing John Deere 670G and 672G series motor graders.