John Deere 670G, 670GP, 672G, and 672GP Motor Grader Repair Technical Manual (TM12138)

John Deere 670G, 670GP, 672G, and 672GP Motor Grader Repair Technical Manual (TM12138)

John Deere 670G, 670GP, 672G, and 672GP Motor Grader Index:

• Contents
  • General Information
    • Safety
      • Recognize Safety Information
      • Follow Safety Instructions
      • Operate Only If Qualified
      • Wear Protective Equipment
      • Avoid Unauthorized Machine Modifications
      • Inspect Machine
      • Stay Clear of Moving Parts
      • Avoid High-Pressure Fluids
      • Avoid High-Pressure Oils
      • Work In Ventilated Area
      • Prevent Fires
      • Prevent Battery Explosions
      • Handle Chemical Products Safely
      • Dispose of Waste Properly
      • Prepare for Emergencies
      • Clean Debris from Machine
      • Use Steps and Handholds Correctly
      • Start Only From Operator’s Seat
      • Use and Maintain Seat Belt
      • Prevent Unintended Machine Movement
      • Avoid Work Site Hazards
      • Keep Riders Off Machine
      • Avoid Backover Accidents
      • Avoid Machine Tip-Over
      • Operating Or Traveling On Public Roads
      • Inspect and Maintain ROPS
      • Add and Operate Attachments Safely
      • Park and Prepare for Service Safely
      • Service Cooling System Safely
      • Remove Paint Before Welding or Heating
      • Make Welding Repairs Safely
      • Drive Metal Pins Safely
      • Service Tires Safely
    • Torque Values
      • Metric Bolt and Cap Screw Torque Values
      • Additional Metric Cap Screw Torque Values
      • Unified Inch Bolt and Cap Screw Torque Values
      • Service Recommendations for 37° Flare and 30° Cone Seat Connectors
      • Service Recommendations for O-Ring Boss Fittings
      • Service Recommendations For Flared Connections—Straight or Tapered Threads
      • Service Recommendations For Flat Face O-Ring Seal Fittings
      • O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations
      • O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations
      • O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations
      • Service Recommendations for Metric Series Four Bolt Flange Fitting
      • Service Recommendations For Inch Series Four Bolt Flange Fittings
      • Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations
      • Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
      • Service Recommendations For O-Ring Boss Fittings With Shoulder
      • Metric 24° O-Ring Seal DIN 20078 Service Recommendations
  • Wheels
    • Powered Wheels and Fasteners
      • Wheel Remove and Install
      • Tire Remove and Install
  • Axles and Suspension Systems
    • Input Drive Shafts and U-Joints
      • Transmission-to-Rear Axle Drive Shaft Remove and Install
      • Transmission-to-Rear Axle Drive Shaft Disassemble and Assemble
    • Non-Powered Wheel Axles
      • Front Wheel Hub and Spindle Remove and Install—Non 6WD
      • Front Wheel Hub and Spindle Disassemble and Assemble—Non 6WD
      • Front Axle Remove and Install—Non 6WD
    • Powered Wheel Axles
      • Front Wheel Hub and Spindle Remove and Install—6WD
      • Front Wheel Hub and Spindle Disassemble and Assemble—6WD
      • Front Wheel Hub and Spindle Disassemble and Assemble with Steering Angle Sensor—6WD
      • 6WD Drive Hub Disassemble and Assemble
      • Planetary Drive Disassemble and Assemble
      • Planetary Brake Disassemble and Assemble
      • 6WD Bearings Remove and Install
      • 6WD O-Ring Metal Face Seal Remove and Install
      • Front Axle Remove and Install—6WD
    • Axle Shafts, Bearings, and Reduction Gears
      • TEAMMATE™ II 1400 Series Inboard Planetary Axle—Use CTM43
      • Rear Axle Remove and Install
      • Tandem and Wheel Axle Assembly Remove and Install
      • Tandem Wheel Axle Assembly Remove and Install
      • Tandem Wheel Axle Assembly Disassemble and Assemble
      • Tandem Pivot Disassemble and Assemble
      • Final Drive Axle Remove and Install
      • Tandem Drive Shaft Remove and Install
      • Drive Chain Remove and Install
    • Hydraulic System
      • 6WD Pump Remove and Install
      • 6WD Pump Disassemble
      • 6WD Pump Assemble
      • 6WD Charge Pump Remove and Install
      • 6WD Engagement Manifold Remove and Install
      • Differential Lock Pump Remove and Install
      • 6WD Motor Remove and Install
      • 6WD Motor Disassemble and Assemble
  • Transmission
    • Removal and Installation
      • DF180 Transmission
      • Transmission Remove and Install
    • Hydraulic System
      • Transmission Charge Pump Remove and Install
  • Engine
    • Removal and Installation
      • John Deere Engine
      • Engine Remove and Install—Engine 6068HDW75
      • Engine Remove and Install—Engine 6090HDW01
  • Engine Auxiliary System
    • Cooling System
      • Fan Blade Remove and Install
      • Radiator Remove and Install
      • Hydraulic and Differential Oil Cooler Remove and Install
      • Transmission Oil Cooler Remove and Install
      • Fuel Cooler Remove and Install—Engine 6090HDW01
      • Charge Air Cooler Remove and Install
    • External Fuel Supply Systems
      • Fuel Tank Remove and Install
      • Fast Fill Fuel System Disassemble and Assemble—If Equipped
  • Torsional Isolator
    • Elements
      • Torsional Isolator Remove and Install
  • Steering System
    • Power Steering
      • Toe-In Check and Adjustment
    • Hydraulic System
      • Steering Wheel, Column, and Valve Remove and Install—Standard Controls
      • Steering Wheel, Column, and Valve Remove and Install—EH Controls
      • EH Controls Steering Canceling Valve Remove and Install
      • Steering Valve Disassemble and Assemble
      • Steering Cylinder Remove and Install
      • Hydraulic Cylinder Disassemble and Assemble
      • Wheel Lean Cylinder Remove and Install
      • Secondary Steering Accumulator Remove and Install—If Equipped
  • Service Brakes
    • Active Elements
      • Service Brake Repair
    • Hydraulic System
      • Service Brake Valve Remove and Install
      • Service Brake Bleeding
      • Brake Accumulator Remove and Install
  • Park Brake
    • Active Elements
      • Park Brake Repair
  • Frame, Chassis or Supporting Structure
    • Frame Installation
      • Welding On Machine
      • Welding Repair of Major Structure
      • Separate Frames at Articulation Joint
      • Articulation Bearing Replacement
      • Rear Platform Remove and Install
  • Operator’s Station
    • Removal and Installation
      • Cab Remove and Install
      • Cab Remove and Install—GP Machine Only
    • Operator Enclosure
      • Windowpanes Remove and Install
      • Cab Door Handle Remove and Install
      • Cab Door Latch Remove and Install
      • Rivet Nut Installation
    • Pedal Assembly
      • Inching Pedal Remove and Install
    • Steering Tilt Console
      • Steering Support Console Remove and Install—Standard Controls
      • Steering Support Console Remove and Install—EH Controls
      • Console Tilt Remove and Install
      • Steering Tilt Assembly Remove and Install
    • Seat and Seat Belt
      • Seat Remove and Install
      • Seat Belt Remove and Install
      • Armrest Remove and Install
      • Armrest Remove and Install—EH Controls
      • Armrest Disassemble and Assemble—EH Controls
      • Standard Seat Disassemble and Assemble
      • Deluxe Seat Disassemble and Assemble
      • Air Suspension Disassemble and Assemble
    • Heating and Air Conditioning
      • R134a Refrigerant Cautions and Proper Handling
      • Flush and Purge Air Conditioner System
      • R134a Refrigerant Oil Information
      • R134a Refrigerant Recovery/Recycling and Charging Station Installation Procedure
      • R134a System Recover
      • R134a System Evacuate
      • R134a System Charge
      • Expansion Valve Remove and Install
      • Freeze Control Switch Remove and Install
      • High/Low Pressure Switch Remove and Install
      • Heater Control Valve Remove and Install
      • Heater Control Valve Leak Check
      • Blower Motor Assembly Remove and Install
      • Compressor Remove and Install—Engine 6068HDW75 (S.N. —637334)
      • Compressor Remove and Install—Engine 6068HDW75 (S.N. 637335—656507)
      • Compressor Remove and Install—Engine 6090HDW01 (S.N. —637334)
      • Compressor Remove and Install—Engine 6090HDW01 (S.N. 637335—656507)
      • Condenser Remove and Install
      • Heater and Air Conditioner Remove and Install
      • Receiver-Dryer Remove and Install
      • Accumulator Remove and Install
  • Sheet Metal and Styling
    • Engine Enclosure
      • Engine Service Doors and Side Shields Remove and Install
      • Engine Covers Remove and Install
    • Grille and Grille Housing
      • Grille Housing Remove and Install
  • Main Hydraulic System
    • Hydraulic System
      • Vacuum Pump Installation
      • Hydraulic Pump Remove and Install
      • Hydraulic Pump Disassemble and Assemble
      • Hydraulic System Manifold Remove and Install
      • Hydraulic System Manifold Disassemble and Assemble
      • Soft Start Valve Remove and Install
      • Soft Start Valve Disassemble and Assemble
      • Hydraulic Fan Pump Remove and Install
      • Hydraulic Fan Motor Remove and Install
      • Hydraulic Fan Valve Remove and Install
      • Hydraulic Attenuator Remove and Install
      • General Oil Cleanup Procedure
      • Hydraulic/Hydrostatic Component Failure Cleanup Procedure
  • Grading Device
    • Controls Linkage
      • Control Linkage Remove and Install
    • Frames
      • NeverGrease™ Pin Joints
      • Lift Arms Remove and Install
      • Saddle Locking Cylinder Remove and Install
      • Saddle Lock Cylinder Disassemble and Assemble
      • Saddle Frame Remove and Install
      • Blade Pitch Frame Remove and Install
      • Draft and Circle Frame Remove and Install
      • Circle Adjustment
      • Blade Side Shift Wear Inserts Remove and Install
    • Circle Gearbox
      • Circle Drive Gearbox Remove and Install
      • Dual Input Circle Drive Gearbox Remove and Install—If Equipped
      • Circle Drive Gearbox Disassemble and Assemble
      • Circle Drive Gearbox (With Slip Clutch) Disassemble and Assemble
      • Dual Input Circle Drive Gearbox Disassemble and Assemble—If Equipped
      • Dual Input Circle Drive Gearbox (With Slip Clutch) Disassemble and Assemble—If Equipped
      • Circle Rotate Motor Disassemble and Assemble
      • Circle Rotate Sensor Remove and Install
    • Hydraulic System
      • Grader Control Valve Remove and Install
      • Draft Frame Mount Grader Control Valve Remove and Install—EH Controls
      • Cab Mount Grader Control Valve Remove and Install—EH Controls
      • Grader Control Valve Disassemble and Assemble
      • Midmount Scarifier Valve Section Disassemble and Assemble
      • Midmount Scarifier Valve Section Disassemble and Assemble—EH Controls
      • Blade Lift Valve Section Disassemble and Assemble
      • Blade Lift Valve Section Disassemble and Assemble—EH Controls
      • Auxiliary (With Float) Valve Section Disassemble and Assemble
      • Auxiliary (Without Float) Valve Section Disassemble and Assemble
      • Auxiliary Valve Section Disassemble and Assemble—EH Controls
      • Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, and Blade Side Shift Valve Section Disassemble and Assemble
      • Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, Blade Side Shift, and Steering Valve Section Disassemble and Assemble—EH Controls
      • Circle Rotate Valve Section Disassemble and Assemble
      • Circle Rotate Valve Section Disassemble and Assemble—EH Controls
      • Return Check Poppets Disassemble and Assemble
      • Rotary Manifold Remove and Install
      • Rotary Manifold Disassemble and Assemble
      • Blade Lift, Blade Pitch, and Circle Side Shift Cylinders Remove and Install
      • Blade Side Shift Cylinder Remove and Install
      • Articulation Cylinders Remove and Install
  • Ground Conditioning Tool
    • Frames
      • NeverGrease™ Pin Joints
      • Scarifier/Blade Remove and Install
      • Midmount Scarifier Remove and Install
      • Midmount Scarifier Cylinder Remove and Install
      • Ripper Remove and Install
      • Ripper Cylinders Remove and Install
      • Balderson™ Style Front Lift Group Remove and Install
  • Dealer Fabricated Tools
    • Dealer Fabricated Tools
      • DF1057—Axle Adjusting Tool
      • DFT1101 Cab and ROPS Lift Bracket
      • DFT1151—Outboard Bearing Driver
      • DFT1152—Inboard Bearing Driver
      • DFT1225—Rolling Torque Measurement Tool
      • DFT1250 Lifting Bracket
      • DFT1282—King Pin Torque Adapter
      • DFT1308 Transmission Support Bracket
      • DFT1310—Cab Mount Control Valve Support Bracket
      • DFT1311—Extension for DFT1250
• Page Number
  • Section 00
    • Group 001
    • Group 0003
  • Section 01
    • Group 0110
  • Section 02
    • Group 0225
    • Group 0230
    • Group 0240
    • Group 0250
    • Group 0260
  • Section 03
    • Group 0300
    • Group 0360
  • Section 04
    • Group 0400
  • Section 05
    • Group 0510
    • Group 0560
  • Section 07
    • Group 0752
  • Section 09
    • Group 0920
    • Group 0960
  • Section 10
    • Group 1011
    • Group 1060
  • Section 11
    • Group 1111
  • Section 17
    • Group 1740
  • Section 18
    • Group 1800
    • Group 1810
    • Group 1815
    • Group 1816
    • Group 1821
    • Group 1830
  • Section 19
    • Group 1910
    • Group 1921
  • Section 21
    • Group 2160
  • Section 34
    • Group 3415
    • Group 3440
    • Group 3450
    • Group 3460
  • Section 42
    • Group 4240
  • Section 99
    • Group 9900

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