John Deere 670G 670GP 672G 672GP Motor Grader Service Repair Manual TM13025X19
TM13025X19 – (SN.F656526—678817)
This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.
Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components.
Operation and tests sections help you identify the majority of routine failures quickly.
Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.
John Deere 670G 670GP 672G 672GP Motor Grader Service Repair Manual TM13025X19
Foreword
Manual Identification READ THIS FIRST!
General Information
Safety
Torque Values
Wheels
Powered Wheels and Fasteners
Axles and Suspension Systems
Input Drive Shafts and U-Joints
Non-Powered Wheel Axles
Powered Wheel Axles
Axle Shafts, Bearings, and Reduction Gears
Hydraulic System
Transmission
Removal and Installation
Hydraulic System
Engine
Removal and Installation
Engine Auxiliary System
Cooling System
External Exhaust System
External Fuel Supply Systems
Torsional Isolator
Elements
Steering System
Power Steering
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Active Elements
Frame, Chassis or Supporting Structure
Frame Installation
Operator’s Station
Removal and Installation
Operator Enclosure
Pedal Assembly
Steering Tilt Console
Seat and Seat Belt
Heating and Air Conditioning
Sheet Metal and Styling
Engine Enclosure
Grille and Grille Housing
Main Hydraulic System
Hydraulic System
Grading Device
Controls Linkage
Frames
Circle Gearbox
Hydraulic System
Ground Conditioning Tool
Frames
Dealer Fabricated Tools
Dealer Fabricated Tools
Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.
Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes.
John Deere 670G 670GP 672G 672GP Motor Grader Service Repair Manual