John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual

John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual

John Deere 770c 770ch 772ch Motor Grader Diagnostic Service Manual

John Deere 670c, 670ch, 672ch, 770c, 770ch, 772ch Motor Grader Diagnostic Maintenance Repair Manual (tm1606)

Illustrated Factory Diagnostic, Operation and Test Maintenance Repair Manual for John Deere Motor Graders Models 670C, 670CH, 672CH, 770C, 770CH, 772CH

This manual contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.

Language: English

Covered models:
670c
670CH
672CH
770c
770CH
772CH

Contents:
Foreword
General Information
Safety
General Specifications
Torque Values
Fuels And Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
Diagnostic Trouble Codes
References And Tests
Hydraulic Front Wheel Drive
Theory Of Operation
Diagnostic Information
Adjustments And Checks
Tests
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Diagnose Malfunctions
Adjustments
Tests
Heating And Air Conditioning
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests

Complete service Operation and Test manual with Electrical Wiring Diagrams for John Deere Motor Graders 670C, 670CH, 672CH, 770C, 770CH, 772CH, with all the workshop information to maintain, diagnose, and service like professional mechanics.

John Deere Motor Graders 670C, 670CH, 672CH, 770C, 770CH, 772CH workshop Operation and Test manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual

MAIN SECTIONS
Foreword
General Information
Safety
General Specifications
Torque Values
Fuels And Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
Diagnostic Trouble Codes
References And Tests
Hydraulic Front Wheel Drive
Theory Of Operation
Diagnostic Information
Adjustments And Checks
Tests
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Diagnose Malfunctions
Adjustments
Tests
Heating And Air Conditioning
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests

John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual

CONTENTS – Expanded View
0000 – Foreword
9000 – GENERAL INFORMATION
01 – Safety
Avoid Harmful Asbestos Dust
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Dispose of Waste Properly
Handle Chemical Products Safely
Handle Fluids Safely-Avoid Fires
Illuminate Work Area Safely
Keep ROPS Installed Properly
Live With Safety
Park Machine Safely
Practice Safe Maintenance
Prepare for Emergencies
Prevent Acid Burns
Prevent Battery Explosions
Remove Paint Before Welding or Heating
Replace Safety Signs
Maintenance Repair Machines Safely
Maintenance Repair Tires Safely
Support Machine Properly
Use Proper Lifting Equipment
Use Proper Tools
Wear Protective Clothing
Work in Clean Area
Work In Ventilated Area
02 – General Specifications
670C, 670CH, and 672CH Specifications
770C, 770CH, and 772CH Specifications
Drain and Refill Capacities – 670C, 670CH and 672CH
Drain and Refill Capacities – 770C, 770CH and 772CH
03 – Torque Values
Additional Metric Cap Screw Torque Values
Check Oil Lines And Fittings
Hardware Torque Specifications
Metric Bolt and Cap Screw Torque Values
Maintenance Repair Recommendations For Flared Connections-Straight or Tapered Threads
Maintenance Repair Recommendations for Flat Face O-Ring Seal Fittings
Maintenance Repair Recommendations For Inch Series Four Bolt Flange Fittings
Maintenance Repair Recommendations for Metric Series Four Bolt Flange Fitting
Maintenance Repair Recommendations for O-Ring Boss Fittings
Unified Inch Bolt and Cap Screw Torque Values
04 – Fuels and Lubricants
Alternative and Synthetic Lubricants
Diesel Engine Coolant
Diesel Engine Oil, Hydraulic Reservoir And Wheel Motor Oil
Diesel Fuel
Diesel Fuel Storage
Do Not Use Galvanized Containers
Fuel Tank
Grease
Low Sulfur Diesel Fuel Conditioner
Lubricant Storage
Lubricity of Diesel Fuel
Mixing of Lubricants
Transmission, Differential Housing, Tandem Drive, And Circle Drive Gear Box Oil
9005 – OPERATIONAL CHECKOUT PROCEDURE
10 – Operational Checkout Procedure
Complete Machine Operational Checkout
Engine Operational Check
Grader Power Flow Diagram

John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual


9010 – ENGINE
05 – Theory of Operation
6068 and 6081 Level 3 Electronic Fuel Systems-Use CTM134
6068 Base Engine-Use CTM104
6068 Engine-Sectional View
6068 Mechanical Fuel Systems-Use CTM207
6081 Base Engine-Use CTM86
6081 Engine-Sectional View
6081 John Deere Engine-Use CTM86
6081 Mechanical Fuel Systems-Use CTM243
Air Cleaner Operation-6068 Engine
Air Intake And Exhaust System Operation-6068 Engine
Air Intake And Exhaust System Operation-6081 Engine
Bleed The Fuel System-6068 Engine
Bleed The Fuel System-6081 Engine
Cooling Fan Operation
Cooling System Operation-6068 Engine
Cooling System Operation-6081 Engine
Electronic Fuel Injection System-6068 Engine (670CH, 672CH)
Electronic Fuel Injection System-6081 Engine (770C (S.N. 565080- ), 770CH, 772CH)
Engine Intake Air Heater And _ or Ether Start Aid Operation
Engine Intake Air Heater And _ Or Ether Start Aid Operation
Fuel Injection Pump Operation-6081 Engine
Fuel Supply Pump Operation-6068 Engine
Fuel Supply Pump Operation-In-Line Injection Pump-6068 Engine (670C Only)
Fuel System Operation-6068 Engine (670CH, 672CH)
Operation-6081 Engine
Operation-In-Line Fuel Injection Pump-6068 Engine
Operation-In-Line Fuel Injection Pump-6081 Engine
General Description-6068 Engine
General Description-6081 Engine
In-Line Injection Pump Operation-6068 Engine
Lubrication System Operation-6068 Engine
Lubrication System Operation-6081 Engine
Rectangular Final Fuel Filter Operation-6068 Engine
Rectangular Final Fuel Filter Operation-6081 Engine
Round Primary Fuel Filter _ Water Separator Operation-6068 Engine
Round Primary Fuel Filter _ Water Separator Operation-6081 Engine
Maintenance Repair Fuel Supply Pump-6068 Engine
Maintenance Repair Fuel Supply Pump-6081 Engine
Surge Tank Operation
Turbocharger Lubrication-6068 Engine
Turbocharger Lubrication-6081 Engine
Turbocharger Operation-6068 Engine
Turbocharger Operation-6081 Engine
Wastegated Turbochargers-6068 Engine (670CH, 672CH)
Wastegated Turbochargers-6081 Engine (770C (S.N. 565080- ), 770CH, 772CH)
15 – Diagnostic Information
Diagnose Engine Malfunctions
Engine Cranks _ Won’t Start Or Starts Hard, Diagnostic Procedure (B1)-670CH, 672CH, 770C (S.N. -565079), 770CH, 772CH
Engine Does Not Develop Full Power, Diagnostic Procedure (B2)-670CH, 672CH, 770C (S.N. -565079), 770CH, 772CH
Engine System Diagnostic Trouble Codes-Quick Reference List
20 – Adjustments
6068 John Deere Engine-Use CTM104
6081 John Deere Engine-Use CTM86
Adjust Engine Speed Linkage-670CH, 672CH, 770C (S.N. 565080-), 770CH, 772CH
Adjust Engine Speed Linkage-670C
Adjust Engine Speed Linkage-770C (S.N. -565079)
Adjust Fuel Shut-Off Solenoid-670C, 770C (S.N. -565079)
Belt Tensioner Spring Check
Bleed The Fuel System-670C, 670CH, 672CH
Bleed The Fuel System-770C, 770CH, 772CH
Injection Pump Dynamic Timing Adjustment
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
Primary Fuel Filter, Drain Valve-670C, 670CH, 672CH
Primary Fuel Filter, Drain Valve-770C, 770CH, 772CH
25 – Tests
Air Filter Restriction Indicator Switch Test
Air Intake System Leakage Test
Engine Compression Pressure Test-670C, 670CH, 672CH
Engine Compression Pressure Test-770C, 770CH, 772CH
Fuel Line Leakage Test
Fuel Pressure Test-770C, 770CH, 772CH
Fuel Supply Pump Leakage Test-670C, 670CH, 672CH
Injection Pump Rack Position Voltage Test
Intake Manifold Pressure (Turbocharger Boost PSI) And Wastegate Test
JT05529 Airflow Meter Test Record
Radiator Air Flow Test
Throttle Potentiometer Test-670CH, 672CH, 770C (S.N. 565080-), 770CH, 772CH
9015 – ELECTRICAL SYSTEM
05 – System Information
Electrical Circuit Malfunctions
Electrical Diagram Information
Electrical Schematic Symbols
Electrical System Visual Inspection
Grounded Circuit
High Resistance Circuit
Multimeter
Open Circuit
Reading a Component Location Diagram
Reading a Connector End View Diagram
Reading a System Functional Schematic
Reading a Wiring Diagram
Schematic, Wiring Diagram, and Component Location Information
Sensor Circuit Shorted to Ground
Sensor Circuit Shorted to Itself
Sensor Circuit Shorted to Power
Seven Step Electrical Test Procedure
Shorted Circuit
10 – System Diagrams
24V Radio Harness (W31) Component Location
24V Radio Harness (W31) Wiring Diagram (If Equipped)
A _ C Compressor Harness (W20) Component Location
A _ C Compressor Harness (W20) Wiring Diagram
A _ C Roof Harness (W7) Component Location
A _ C Roof Harness (W7) Wiring Diagram
Air Conditioning Harness (W14) Component Location
Air Conditioning Harness (W14) Wiring Diagram
Cab Roof Harness (W9) Component Location
Cab Roof Harness (W9) Wiring Diagram
Canopy Roof Harness (W8) Component Location
Canopy Roof Harness (W8) Wiring Diagram
Component Identification Table
Engine Harness (W10) Component Location
Engine Harness (W10) Component Location (S.N. -575171) (Continued)_{5737}
Engine Harness (W10) Component Location (S.N. -575171) (Continued)_{5759}
Engine Harness (W10) Component Location (S.N. -575171) (Continued)_{5821}
Engine Harness (W10) Component Location (S.N. -575171) (Continued)
Engine Harness (W10) Component Location (S.N. -575171)
Engine Harness (W10) Component Location (S.N. 575172-)
Engine Harness (W10) Wiring Diagram
Engine Harness (W10) Wiring Diagram (S.N. 575172-)
Engine Harness (W9) Component Location (S.N. -575171) (Continued)_{5539}
Engine Harness (W9) Component Location (S.N. -575171) (Continued)_{5604}
Engine Harness (W9) Component Location (S.N. -575171) (Continued)_{5636}
Engine Harness (W9) Component Location (S.N. -575171) (Continued)
Engine Harness (W9) Component Location (S.N. -575171)
Engine Harness (W9) Component Location (S.N. 575172-)
Engine Harness (W9, W10) Wiring Diagram (S.N. -575171) (Continued)
Engine Harness (W9, W10) Wiring Diagram (S.N. -575171)
Engine Harness (W9) Wiring Diagram (S.N. 575172-)
Front Console Harness (W18) Component Location (S.N. -575171) (Continued)
Front Console Harness (W18) Component Location (S.N. -575171)
Front Console Harness (W18) Component Location (S.N. 575172-)
Front Console Harness (W18) Wiring Diagram (S.N. -575171)
Front Console Harness (W18) Wiring Diagram (S.N. 575172-)
Functional Schematic, Wiring Diagram and Component Location Master Legend
Fuse and Relay Specifications
Fuse (Blade-Type) Color Codes
Fuse Specifications
FWD Pump Harness (W14) Component Location (S.N. -575171)
FWD Pump Harness (W14) Wiring Diagram (S.N. -575171)
HFWD Main Frame Harness (W19) Component Location (672CH, 772CH) (S.N. -575171) (Continued)
HFWD Main Frame Harness (W19) Component Location (672CH, 772CH) (S.N. -575171)
HFWD Main Frame Harness (W19) Component Location (672CH, 772CH) (S.N. 575172-)
HFWD Main Frame Harness (W19) Wiring Diagram (672CH, 772CH) (S.N. -575171)
HFWD Main Frame Harness (W19) Wiring Diagram (672CH, 772CH) (S.N. 575172-)
IGC Machine Harness (W21) and IGC Cab Harness (W22) Component Location
Integrated Grade Control (IGC) Cab Harness (W22) Wiring Diagram
Integrated Grade Control (IGC) Machine Harness (W21) Wiring Diagram
Map Light Harness (W3) Component Location
Map Light Harness (W3) Wiring Diagram
Operator’s Station Harness (W7) Component Location
Operator’s Station Harness (W7) Wiring Diagram
Platform Harness (W11) Component Location (S.N. -575171) (Continued)_{0230}
Platform Harness (W11) Component Location (S.N. -575171) (Continued)_{0254}
Platform Harness (W11) Component Location (S.N. -575171) (Continued)
Platform Harness (W11) Component Location (S.N. -575171)
Platform Harness (W11) Component Location (S.N. 575172-)
Platform Harness (W11) Wiring Diagram (S.N. -575171) (Continued)_{0102}
Platform Harness (W11) Wiring Diagram (S.N. -575171) (Continued)
Platform Harness (W11) Wiring Diagram (S.N. -575171)
Platform Harness (W11) Wiring Diagram (S.N. 575172-)
Radio Harness (W15) Component Location
Radio Harness (W15) Wiring Diagram
Rear Light Harness (W12) Component Location (S.N. -575171)
Rear Light Harness (W12) Wiring Diagram (S.N. -575171)
Ripper Harness (W21) Component Location
Ripper Harness (W21) Wiring Diagram
Roof Harness (W2) Component Location (Continued)
Roof Harness (W2) Component Location
Roof Harness (W2) Wiring Diagram
Side Console Harness (W15) Component Location (670C S.N. 575172-)
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1337}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1406}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1437}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1502}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1529}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1558}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1643}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1723}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)_{1742}
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171) (Continued)
Side Console Harness (W15, W16, W17) Component Location (S.N. -575171)
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079) (Continued)_{0737}
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079) (Continued)_{0754}
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079) (Continued)_{0812}
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079) (Continued)_{0829}
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079) (Continued)
Side Console Harness (W15) Wiring Diagram (670C S.N. -575171 and 770C S.N. -565079)
Side Console Harness (W15) Wiring Diagram (670C S.N. 575172-)
Side Console Harness (W16) Component Location (670CH, 770C, 770CH S.N. 575172- )
Side Console Harness (W16) Wiring Diagram (670CH, 770C, 770CH S.N. 575172- )
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171) (Continued)_{0912}
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171) (Continued)_{0930}
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171) (Continued)_{0949}
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171) (Continued)_{1008}
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171) (Continued)
Side Console Harness (W16) Wiring Diagram (770C S.N. 565080-575171 and 670CH, 770CH S.N. -575171)
Side Console Harness (W17) Component Location (672CH and 772CH S.N. 575172- )
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)_{1106}
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)_{1130}
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)_{1151}
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)_{1216}
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)_{1235}
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171) (Continued)
Side Console Harness (W17) Wiring Diagram (672CH, 772CH) (S.N. -575171)
Side Console Harness (W17) Wiring Diagram (672CH and 772CH S.N. 575172- )
System Functional Schematic and Schematic Legend
System Functional Schematic Legend
System Functional Schematic (S.N. -575171)
System Functional Schematic (S.N. 575172-)
Transmission Harness (W11) Component Location
Transmission Harness (W11) Wiring Diagram
Transmission Harness (W13) Component Location (S.N. -575171) (Continued)
Transmission Harness (W13) Component Location (S.N. -575171)
Transmission Harness (W13) Component Location (S.N. 575172-)
Transmission Harness (W13) Wiring Diagram (S.N. -575171)
Transmission Harness (W13) Wiring Diagram (S.N 575172-)
Under Seat Heater Harness (W8) Component Location
Under Seat Heater Harness (W8) Wiring Diagram
15 – Sub-System Diagnostics
24V Radio Circuit Operation Information (S.N. 564872-) (If Equipped)
24V Radio Circuit Schematic (S.N. 564872-) (If Equipped)
24V Radio Circuit Theory of Operation (S.N. 564872-) (If Equipped)
Alternator Operation-24 Volts 45A and 80A Bosch
CAN Monitor Unit (CMU) Circuit Theory of Operation
Charging Circuit Operational Information
Charging Circuit Schematic
Charging Circuit Theory Of Operation
Controller Area Network (CAN) Theory of Operation
Display Monitor Circuit Operational Information
Display Monitor Circuit Schematic
Display Monitor Circuit Theory Of Operation
Drive Lights Circuit Operational Information
Drive Lights Circuit Theory of Operation
Engine Air Heat Controller Module (A7) Diagnostic Trouble Codes (770C (S.N. -565079) and 670C) (If Equipped)
Engine Air Heater Circuit Operational Information
Engine Air Heater Circuit Schematic (670CH, 672CH, 770C (S.N. 565080-), 770CH, 772CH)
Engine Air Heater Circuit Schematic (770C (S.N. -565079) and 670C)
Engine Air Heater Circuit Theory Of Operation (670CH, 672CH, 770C (S.N. 565080- ), 770CH, 772CH)
Engine Air Heater Circuit Theory Of Operation (770C (S.N. -565079) and 670C) (If Equipped)
Engine Controller Circuit Operational Information-670CH, 672CH, 770C (S.N. 565080- ), 770CH, 772CH
Engine Controller Circuit Schematic-670CH, 672CH, 770C (S.N. 565080- ), 770CH, 772CH
Engine Controller Circuit Theory Of Operation-670CH, 672CH, 770C (S.N. 565080- ), 770CH, 772CH
Engine Controller Unit Subsystem Diagnostic Procedure-670CH, 672CH, 770C (S.N. 565080- ), 770CH, 772CH
Engine Control Unit (ECU) Circuit Theory of Operation
Engine Intake Air Heater With Ether Start Aid Option-Theory of Operation
Hydraulic Front Wheel Drive (HFWD) Controller Circuit Operational Information
Hydraulic Front Wheel Drive (HFWD) Controller Circuit Schematic (S.N. -575171)
Hydraulic Front Wheel Drive (HFWD) Controller Circuit Schematic (S.N. 575172-)
Hydraulic Front Wheel Drive (HFWD) Controller Circuit Theory Of Operation
Integrated Grade Control (IGC) Theory of Operation—If Equipped
Power Circuit Functional Schematic (S.N.-575171)
Power Circuit Functional Schematic (S.N. 575172-)
Power Circuit Operational Information
Power Circuit Theory Of Operation
Saddle Locking Pin And Differential Lock Circuits Operational Information
Saddle Locking Pin And Differential Lock Circuits Schematic
Saddle Locking Pin And Differential Lock Circuits Theory Of Operation
Soft Start Circuit Theory of Operation (S.N. 575172-) (If Equipped)
Starting and Charging Circuit Theory of Operation
Starting And Park Brake Circuit Functional Schematic (S.N. -575171)
Starting And Park Brake Circuit Functional Schematic (S.N. 575172-)
Starting and Park Brake Circuit Operational Information
Starting and Park Brake Circuit Theory Of Operation
Sub-System Diagnostics _ 24 Volt Radio Circuit (If Equipped)
Sub-System Diagnostics _ Charging Circuit
Sub-System Diagnostics _ Display Monitor Circuit
Sub-System Diagnostics _ Engine Air Heater Circuit
Sub-System Diagnostics _ Hydraulic Front Wheel Drive (HFWD) Controller Circuit
Sub-System Diagnostics _ Power Circuit
Sub-System Diagnostics _ Saddle Locking Pin And Differential Lock Circuits
Sub-System Diagnostics _ Starting and Park Brake Circuit
Sub-System Diagnostics _ Transmission Controller Circuit
Transmission Controller Circuit Operational Information
Transmission Controller Circuit Theory Of Operation
Transmission Control Unit (TCU) Circuit Theory of Operation
20 – References
Alternator Test Procedure
Engine Control Circuit (Flow Chart)
Engine Controller Unit Connector Pin Locations
Engine Diagnostic Trouble Codes
HFWD Controller Diagnostic Trouble Codes
HFWD Controller Diagnostic Trouble Codes(S.N. -567461)
HFWD Controller Diagnostic Trouble Codes(S.N. 567462-)
Transmission Calibration Diagnostic Trouble Codes F349-F371
Transmission Diagnostic Trouble Codes F301-F308
Transmission Diagnostic Trouble Codes F309-F316
Transmission Diagnostic Trouble Codes F317-F319
Transmission Diagnostic Trouble Codes F320-F322
Transmission Diagnostic Trouble Codes F323-F329
Transmission Diagnostic Trouble Codes F330-F335
Transmission Diagnostic Trouble Codes F336-F339
Transmission Diagnostic Trouble Codes F340-F342
Transmission Diagnostic Trouble Codes F343-F348
Transmission Diagnostic Trouble Codes F375-F399
Transmission Diagnostic Trouble Codes-Limp Home Mode and Inchless Power Shift
25 – Refenrences & Tests
Articulation Potentiometer Adjustment
Battery Operation
Battery Specifications
Calibrate Tachometer
Calibration Of Transmission Controller
Check Battery Electrolyte Level And Terminals
Controller Communication Theory Of Operation
Diagnose Battery Malfunctions
Display Monitor Circuit Specifications
Historical Diagnostic Trouble Code Retrieval
Inching Pedal Calibration
Network Operation Diagram
Park _ Not Neutral Gear Position Switch Module (S6) And Forward _ Reverse Switch Module (S7) Bench Test
Procedure For Testing Batteries
Replacing Radio Memory Batteries (If Equipped)
Transmission Control And Park Brake Lever Test
Transmission Proportional Solenoid Test
Using Booster Batteries-24-Volt System
9016 – HYDRAULIC FRONT WHEEL DRIVE
05 – Theory of Operation
Aggressiveness Mode Manual Mode Operation
Aggressiveness Mode Switch Operation
Forward Operation During A Turn (Not Shown)
Forward Operation
Forward Operation With One Front Wheel Spinning
Front Sensor Operation
Front Wheel Motor Operation
HFWD Charge Filter Operation
HFWD Communication Operation
HFWD Power Flow
HFWD Pump And Charge Pump
HFWD Pump And Displacement Control Operation
Hydraulic Front Wheel Drive (HFWD) System Operation
Inching Pedal Operation-HFWD At Up And Down Position
Motor Case Return Filter Operation
Neutral Operation
Port Block, Flow Divider And Manifold Valve Assembly Operation
Reverse Operation During A Turn (Not Shown)
Reverse Operation
Reverse Operation With One Front Wheel Spinning
Solenoid Manifold Operation
Transmission Output Speed Sensor Operation
15 – Diagnostic Information
Diagnose Malfunctions Of Hydraulic Front Wheel Drive
HFWD Charge Pressure Light Diagnostic
HFWD Component Location
HFWD Diagnostic Trouble Codes Quick Reference List
20 – Adjustments
Check Controller
FWD Pump Swash Angle-Hydraulic System Check
FWD Pump Swash Angle Potentiometer Calibration Check And Adjustment Procedure
HFWD Model Plug Check
HFWD Standard _ High Speed Motor Check
HFWD Start-Up Procedure
HFWD System Clean-Up Procedure
25 – Tests
Cooler Bypass Valve Pressure Test
Forward And Reverse High Pressure Relief Valve Test
HFWD Brake Cavity Leakage Test
HFWD Brake Cavity Pressure Test
HFWD Brake Engagement Test
HFWD Circuit Test
HFWD Neutral Charge Pressure Test
HFWD Oil Warm-Up Procedure
HFWD Operating Charge Pressure Test
Hydraulic Oil Filter Inspection Procedure
JT02156A Digital Pressure And Temperature Analyzer Installation
JT05800 Digital Thermometer Installation
JT07148 Digital Hydraulic Tester
Motor Leakage Test
Vacuum Pump Installation
9020 – POWER TRAIN
05 – Theory of Operation
Axle Filter Operation
Clutch Actuation
Clutch And Gear Component Location
Control Valve-To-Front Housing Oil Passage Identification
Cylinder Speed Sensor Operation
Differential Lock Operation
Differential Lock Pump
Differential Lock Valve Operation-Engaged
Differential Lock Valve Operation-Released
Directional Clutch Operation
Eighth Forward
Eighth Reverse
Fifth Forward
Fifth Reverse
First Forward
First Reverse
Fourth Forward
Fourth Reverse
Gear Selection
Main Pressure Regulator Valve Operation
Park Brake And Differential Lock Control Valve
Park Brake-Engaged
Park Brake Manual Release Operation
Park Brake Operation
Park Brake-Released
Power Train Component Overview
Power Train-Rear Axle And Tandem
Proportional Solenoid Valve Operation-De-Energized
Rear Axle And Tandem Operation
Second Forward
Second Reverse
Maintenance Repair Brake Operation-Multiple Disk
Seventh Forward
Seventh Reverse
Sixth Forward
Sixth Reverse
Speed Clutch Operation
Third Forward
Third Reverse
Transmission Charge Pressure Accumulator
Transmission Charge Pump Operation
Transmission Component Identification
Transmission Control Unit Operation
Transmission Control Valve Port Identification
Transmission Diagram
Transmission Filter Bypass Valve
Transmission Filter Operation
Transmission Hydraulic System Operation
Transmission Input Speed Sensor
Transmission Operation
Transmission Output Speed Sensor Operation
15 – Diagnostic Information
Diagnose DF180 Powershift Transmission And Hydraulic Related Malfunctions
Diagnose Differential Malfunctions
Diagnose Park Brake Malfunctions
Power Train Component Location
Transmission Diagnostic Trouble Codes Quick Reference List
20 – Adjustments
Manual Park Brake Release Procedure
25 – Tests
Axle Cooler Relief Pressure Test
Differential Lock Valve Leakage Test
Differential Lock Valve Pressure Test
JT02156A Digital Pressure And Temperature Analyzer Installation
JT05800 Digital Thermometer Installation
JT07148 Digital Hydraulic Tester
Lube Pressure Test
Park Brake Pressure Test
Park Brake Warm-Up Circuit
Relief _ Valve Fitting Pressure Test (Park Brake)
Transmission Accumulator Charge Pressure Test
Transmission And Axle Oil Warm-Up Procedure
Transmission Control Circuit Pressure Test
Transmission Cooler Inlet Pressure Test
Transmission Oil Filter Inspection Procedure
Transmission Pump Flow Test
Transmission Pump Suction Tube Leak Test
Transmission System Pressure Test
Vacuum Pump Installation
9025 – HYDRAULICS SYSTEM
05 – Theory of Operation
Blade Lift, Scarifier And Ripper Valve Operation-Neutral
Brake Accumulator Operation
Circle Drive Gearbox Operation-Without Slip Clutch
Circle Drive Gearbox Operation-With Slip Clutch
Circle Rotate Valve Operation
Control Valve Orifice Operation
Counterbalance Valve Operation
Grader Control Valve Operation
Hydraulic Pump Control-Full Flow
Hydraulic Pump Control-Neutral
Hydraulic Pump
Hydraulic Reservoir Operation
Locking Pin Circuit Operation
Main Hydraulic Pump Operation
Main Hydraulic Return Filter Operation
Main Hydraulic System Operation
Priority Control Valve Operation
Ripper Valve Operation
Maintenance Repair Brake Operation-Multiple Disk
Maintenance Repair Brake Operation
Steering System Operation
System Relief Valve Operation
Wheel Lean, Rear Steer, Circle Side Shift, Blade Tilt, And Blade Side Shift Valve Operation
15 – Diagnostic Information: John Deere 670c 670ch 672ch Motor Grader Diagnostic Service
Diagnose Malfunctions Of Hydraulic System
Diagnose Malfunctions Of Steering System
Diagnose Maintenance Repair Brakes
Hydraulic Circuit Symbols
Main Hydraulic Schematic
Main Hydraulic System Component Location
20 – Adjustments
Control Lever Pattern Change
Main Hydraulic System Clean-Up Procedure
25 – Tests
Brake Accumulator Inlet Check Valves Leakage Test
Brake Accumulator Precharge Test
Brake Light Switch Test
Brake Valve Pressure Test
Cooler Bypass Valve Pressure Test-Non-HFWD
Counterbalance Valve Leakage Test
Counterbalance Valve Pressure Test
Crossover Relief Valve Leakage Test
Crossover Relief Valve Pressure Test
Cycle Time Test
Hydraulic Component Neutral Leakage Test
Hydraulic Cylinder Drift Test
Hydraulic Cylinder Leakage Test
Hydraulic Oil Filter Inspection Procedure
Hydraulic Oil Warm-Up Procedure
JT02156A Digital Pressure And Temperature Analyzer Installation
JT05800 Digital Thermometer Installation
JT05801 Clamp-On Electronic Tachometer Installation
JT07148 Digital Hydraulic Tester
Main Pump Flow Test
Main Pump Leakage Test-75 CC And 100 CC
Main Pump Standby Pressure Test
Priority Control Valve Pressure Test
Pump Destroke Spike Test
Rotary Manifold Leakage Test
Steering System Leakage Test
System Relief Valve Pressure Test
Vacuum Pump Installation
9031 – HEATING AND AIR CONDITIONING
05 – Theory of Operation
AC _ Heater Blower Circuit Operation-If Equipped
AC _ Heater Blower Circuit Schematic-If Equipped
AC _ Heater Selection Switch Operation
AC _ Heater Temperature Switch Operation
A _ C Thermostat Switch Operation
Compressor Operation
Compressor Relief Valve Operation
Condenser Operation
Evaporator Coil Operation
Expansion Valve Operation
Heater Blower Circuit Operation-If Equipped
Heater Blower Circuit Schematic-If Equipped
Heater Core Operation
High And Low Pressure Switches
Proper Refrigerant Handling
R134A Refrigerant Cautions
Receiver-Dryer Operation
Refrigerant Cycle Theory Of Operation
10 – System Operational Checks
Air Conditioning Operational Checks
15 – Diagnostic Information
Diagnose Air Conditioning Electrical Malfunctions
Diagnose Heater System Malfunctions
Heating _ Air Conditioning Component Location
20 – Adjustments
Charge R134A Refrigerant System
Evacuate R134A Refrigerant System
Proper Refrigerant Handling
R134A Component Oil Charge
R134A Compressor Oil Charge Check
R134A Compressor Oil Information
R134A Compressor Oil Removal
R134A Refrigerant Cautions
R134A Refrigerant Recover _ Recycling And Charging Station Installation Procedures
R134A Refrigerant Recovery
25 – Tests
A _ C Expansion Valve Bench Test And Adjustment
A _ C High Pressure Switch Test
A _ C Low Pressure Switch Test
Operating Pressure Diagnostic Chart
Pressure Diagnostic Chart
Proper Refrigerant Handling
R134A Air Conditioning System Test
R134A Refrigerant Cautions
R134A Refrigerant System Expansion Valve Operating Test
R134A System A _ C Thermostat Switch Operating Test
Refrigerant Hoses And Tubing Inspection
Refrigerant Leak Test

John Deere 670c 670ch 672ch Motor Grader Diagnostic Service Manual