John Deere Motor Grader 670C 670CH 672CH 770C 770CH 772CH Series II Technical Manual TM1914

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John Deere Motor Grader 670C 670CH 672CH 770C 770CH 772CH Series II Technical Manual TM1914
Size: 17.10 MB
Format: PDF
Language: English
Brand: John Deere
Type of Machine: Motor Grader
Type of Manual: Technical Manual, Electrical Diagram
Model: John Deere 670C, 670CH, 672CH, 770C, 770CH, 772CH Series II Motor Grader
Part Number: TM1914
Number of Pages: 849 Pages

Contents:
Foreword
Technical Information Feedback Form
Section 9000: General Information
Section 9005: Operational Checkout Procedure
Section 9010: Engine
Section 9015: Electrical System
Section 9016: Hydrostatic Front Wheel Drive (Hfwd)
Section 9020: Power Train
Section 9025: Hydraulic System
Section 9031: Heating And Air Conditioning
Foreword
Technical Information Feedback Form
Recognize Safety Information
Recognize Safety Information
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
Beware Of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose Of Waste Properly
Prepare For Emergencies
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
Complete Machine Operational Checkout
Complete Machine Operational Checkout
Complete Machine Operational Checkout
Supplement Support Manuals
Supplement Support Manuals
Supplement Support Manuals
Surge Tank Operation
Air Intake And Exhaust System Operation—6081 Engine
Base Machine
Optional Pre-Cleaner
Cold Start Theory Of Operation 670c, 770c, 770ch, 772ch (670ch, 672ch S.N. —589368)
Engine Air Heater Theory Of Operation
Ether Start Aid Theory Of Operation
Engine Air Heater With Ether Start Aid Theory Of Operation
Diagnose Engine Malfunctions (670ch, 672ch S.N. —589368 And 770c, 770ch, 772ch)
Diagnose Engine Malfunctions (670ch, 672ch S.N. —589368 And 770c, 770ch, 772ch)
Diagnose Engine Malfunctions (670ch, 672ch S.N. 589369— )
Engine Cranks/Won’t Start Or Starts Hard, Diagnostic Procedure (B1)—(670ch, 672ch, S.N. —589368 And 770c, 770ch, 772ch)
Engine Does Not Develop Full Power, Diagnostic Procedure (B2)— 770ch, 772ch
Jt05801 Clamp-On Electronic Tachometer Installation
Jt05801 Clamp-On Electronic Tachometer Installation
Engine Belt Tensioner Spring Check
Fan Belt Tensioner Spring Check
Adjust Engine Speed Linkage—670c
Pedal Slow Idle Adjustment
Injection Pump Yoke Adjustment
Pedal Fast Idle Adjustment
Adjust Engine Speed Linkage—670ch, 672ch, 770c, 770ch, 772ch
Engine Speed Linkage Adjustment
Fast Idle Potentiometer Resistance Adjustment
Primary Fuel Filter, Drain Valve—670c, 670ch, 672ch (S.N. —589368)
Primary Fuel Filter, Drain Valve—670c, 670ch, 672ch (S.N. 589369—)
Primary Fuel Filter, Drain Valve—770c, 770ch, 772ch
Bleed The Fuel System—670c, 670ch, 672ch
Bleed The Fuel System—770c, 770ch, 772ch
Fuel Line Leakage Test
Fuel Line Leakage Test
Air Intake System Leakage Test
Air Filter Restriction Indicator Switch Test
Intake Manifold Pressure (Turbocharger Boost Psi) And Wastegate Test
Intake Manifold Pressure (Turbocharger Boost Psi) Test
Injection Pump Rack Position Voltage Test
Fuel Supply Pump Leakage Test—670c, 670ch, 672ch
Fuel Pressure Test—770c, 770ch, 772ch
Throttle Potentiometer Test—670ch, 672ch, 770c, 770ch, 772ch
Electrical Diagram Information
System Functional Schematic Diagram
Wiring Diagram—If Provided
Component Location Diagram
Connector End View Diagram—If Provided
Electrical Schematic Symbols
Electrical Diagram Information
System Functional Schematic Diagram
Wiring Diagram—If Provided
Component Location Diagram
Connector End View Diagram—If Provided
Electrical Schematic Symbols
Electrical Diagram Information
System Functional Schematic Diagram
Wiring Diagram—If Provided
Component Location Diagram
Connector End View Diagram—If Provided
Electrical Schematic Symbols
Fuse And Relay Specifications (S.N. —589368)
Fuse And Relay Specifications (S.N. —589368)
Fuse And Relay Specifications (S.N. 589369— )
Functional Schematic, Wiring Diagram And Component Location Master Legend
System Functional Schematic Legend
System Functional Schematic
Roof Harness (W2) Wiring Diagram
Roof Harness (W2) Component Location
Map Light Harness (W3) Wiring Diagram
Map Light Harness (W3) Component Location
A/C Roof Harness (W7) Wiring Diagram
A/C Roof Harness (W7) Component Location
Under Seat Heater Harness (W8) Wiring Diagram
Under Seat Heater Harness (W8) Component Location
Engine Harness (W9) Wiring Diagram
Engine Harness (W9) Component Location
Engine Harness (W10) Wiring Diagram
Engine Harness (W10) Component Location
Platform Harness (W11) Wiring Diagram
Platform Harness (W11) Component Location
Transmission Harness (W13) Wiring Diagram
Transmission Harness (W13) Component Location
Side Console Harness (W15) Wiring Diagram (670c)
Side Console Harness (W15) Component Location (670c)
Side Console Harness (W16) Wiring Diagram (670ch, 770c, 770ch)
Side Console Harness (W16) Component Location (670ch, 770c, 770ch)
Side Console Harness (W17) Wiring Diagram (672ch And 772ch)
Side Console Harness (W17) Component Location (672ch And 772ch)
Side Console Harness—Detail C
Front Console Harness (W18) Wiring Diagram
Front Console Harness (W18) Component Location
A/C Compressor Harness (W20) Wiring Diagram
A/C Compressor Harness (W20) Component Location
Ripper Harness (W21) Wiring Diagram
Ripper Harness (W21) Component Location
24v Radio Harness (W31) Wiring Diagram
24v Radio Harness (W31) Component Location
Hfwd Front And Rear Harness (W34 And W35) Wiring Diagram (672ch, 772ch)
Hfwd Front And Rear Harness (W34 And W35) Component Location (672ch, 772ch)
Starting And Park Brake Circuit Theory Of Operation
Starting Machine With Transmission Control And Park Brake Lever In Park (P) Position
Machine Operation After Machine Has Started
Starting And Park Brake Circuit Theory Of Operation
Starting Machine With Transmission Control And Park Brake Lever In Park (P) Position
Machine Operation After Machine Has Started
Soft Start Circuit Theory Of Operation (If Equipped)
670c Soft Start Option
670ch, 672ch, 770c, 770ch, 772ch Soft Start Theory Option
Transmission Controller Circuit Theory Of Operation
Diagnostic Trouble Codes
Clutch Protection
Speed Matching
Down Shift Inhibit
Shuttle Shifting
X27 Transmission Calibration Connector Run And Calibrate Modes
Engine Controller Circuit Theory Of Operation (670c, 770c)
Engine Controller Circuit Theory Of Operation (670ch, 672ch S.N. 589369— )
Display Monitor Circuit Theory Of Operation
Hydrostatic Front Wheel Drive (Hfwd) Circuit Theory Of Operation
Power Management Function
Diagnostic Trouble Codes
Hfwd Controller Calibration
Diagnostic Trouble Code Reference List
Hfwd Diagnostic Trouble Codes
Transmission Diagnostic Trouble Codes
Engine Diagnostic Trouble Codes 770c, 770ch, 772ch (S.N. —589368 672ch, 670ch)
Engine Diagnostic Trouble Codes (670ch, 672ch S.N. 589369— )
Diagnostic Trouble Code Reference List
Hfwd Diagnostic Trouble Codes
Transmission Diagnostic Trouble Codes
Engine Diagnostic Trouble Codes 770c, 770ch, 772ch (S.N. —589368 672ch, 670ch)
Engine Diagnostic Trouble Codes (670ch, 672ch S.N. 589369— )
Stored Diagnostic Trouble Code Retrieval
Troubleshooting Tips F301—F308 Transmission Gear Solenoid Codes
F301—F308 Transmission Gear Solenoid Codes
Troubleshooting Tips F309—F319 Transmission Gear Solenoid Codes
Troubleshooting Tips F317—F319 Inching Pedal Codes
Hfwd Controller Diagnostic Trouble Codes Diagnostics
Transmission Diagnostic Trouble Code Diagnostics
Engine Diagnostic Trouble Code Diagnostics 770c, 770ch, 772ch (672ch, 670ch S.N. —589368 )
Engine Diagnostic Trouble Codes (Dtcs) On Level 11 Ecu (672ch, 670ch S.N. 589369— )
Engine Air Heat Controller Module (A7) Diagnostic Trouble Codes (670c) (If Equipped)
Battery Specifications
Electrical Component Specifications
Monitor Gauge Specifications
Electrical Component Specifications
Electrical Component Checks
Monitor Set Up
Calibrate Tachometer
Calibrate Transmission Controller (Tcu)
Calibrate Hfwd Controller (Hcu)
Inching Pedal Calibration
Articulation Potentiometer Adjustment
Replacing Radio Memory Batteries (If Equipped)
Transmission Solenoid Resistance Test
Hfwd Temperature Switch (B37) Test
Transmission Control And Park Brake Lever Test
Park/Not Neutral Gear Position Switch Module (S6) And Forward/Reverse Switch Module (S7) Bench Test
Check Controller
Replace Metri-Pack ™ Connectors
Controller Connectors
Inching Switch Connectors
Replace Deutsch ™ Connectors
Replace Deutsch ™ Rectangular Or Triangular Connectors
Install Deutsch ™ Contact
Replace Weather Pack ™ Connector
Install Weather Pack ™ Contact
Halogen Lights
Hydrostatic Front Wheel Drive (Hfwd) System Operation
Hydrostatic Front Wheel Drive (Hfwd) System Operation
Hydrostatic Front Wheel Drive (Hfwd) System Operation
Hfwd Pump And Displacement Control Operation
Forward Operation
Hfwd Pump And Motor Flushing Pump
Hfwd Charge Pump
Hfwd Charge Filter Operation
Flushing Valve And Operating Charge Relief Valve
Multi-Function Valve
Engagement Valve Operation
Front Wheel Motor Operation
Neutral Operation (600 Series)
Neutral Operation (700 Series)
Forward Or Reverse (Slow Speed—600 & 700 Series)
Forward Or Reverse (High Speed—700 Series Only)
Hfwd Power Flow
Diagnose Malfunctions Of Hydrostatic Front Wheel Drive
Diagnose Malfunctions Of Hydrostatic Front Wheel Drive
Hfwd System Schematic
Hfwd Component Location
Hfwd Start-Up Procedure
Hfwd Start-Up Procedure
Hfwd Pump Control Neutral Adjustment
Digital Thermometer Installation
Digital Thermometer Installation
Digital Pressure And Temperature Analyzer Installation
Digital Hydraulic Tester
Avoid High-Pressure Fluids
Hfwd Oil Warm-Up Procedure
Hfwd Planetary Brake Leakage Test
Hfwd Neutral Charge Regulating Valve Pressure Test
Neutral Charge Regulating Valve Pressure Test—Isolated (Valve Only)
Hfwd Operating Charge Regulating Valve Pressure Test
Hfwd Charge Pressure Balance Test
Hfwd Pump Leakage Test
Hfwd Motor Leakage Test
Pressure Override & Multi-Function Relief Valve Test—Forward And Reverse Directions
Hfwd Motor Flushing Pump Relief Valve Test
Hfwd Charge Pump Flow Test
Cooler Bypass Valve Pressure Test
Hydraulic Oil Filter Inspection Procedure
Transmission Operation
Transmission Operation
Transmission Operation
Transmission Hydraulic System Operation
Transmission Control Valve Port Identification
Clutch Pack Operation
Clutch And Gear Operation And Component Location
First Forward
Park Brake And Differential Lock Control Valve
Park Brake Operation
Park Brake—Engaged
Park Brake Manual Release Operation
Differential Lock Operation
Rear Axle And Tandem Operation
Diagnose Df180 Powershift Transmission And Hydraulic Related Malfunctions
Diagnose Df180 Powershift Transmission And Hydraulic Related Malfunctions
Diagnose Park Brake Malfunctions
Diagnose Differential Malfunctions
Power Train Component Location
Manual Park Brake Release Procedure
Manual Park Brake Release Procedure
Transmission And Axle Oil Warm-Up Procedure
Transmission And Axle Oil Warm-Up Procedure
Differential Lock Valve Pressure Test
Differential Lock Valve Leakage Test
Axle Cooler Relief Pressure Test
Transmission Pump Flow Test
Transmission System Pressure Test
Lube Pressure Test
Transmission Control Circuit Pressure Test
Transmission Cooler Inlet Pressure Test
Park Brake Pressure Test
Park Brake Warm-Up Circuit
Relief/Valve Fitting Pressure Test (Park Brake)
Transmission Oil Filter Inspection Procedure
Transmission Accumulator Charge Pressure Test (S.N. —589369)
Transmission Pump Suction Tube Leak Test
Transmission Proportional Solenoid Valve Test
Main Hydraulic System Operation
Main Hydraulic System Operation
Main Hydraulic System Operation
Main Hydraulic Pump Operation
Main Hydraulic Return Filter Operation
Indicator Switch Operation
Bypass Valve Operation
System Relief Valve Operation
Service Brake Operation
Service Brake Operation—Multiple Disk
Brake Accumulator Operation
Steering System Operation
Neutral Position
Right Hand Turn
Manual Steering
Priority Control Valve Operation
Grader Control Valve Operation
Control Valve Orifice Operation
Blade Lift, Scarifier And Ripper Valve Operation—Neutral
Wheel Lean, Rear Steer, Circle Side Shift, Blade Tilt, And Blade Side Shift Valve Operation
Counterbalance Valve Operation
Circle Rotate Valve Operation
Locking Pin Circuit Operation
Ripper Valve Operation
Circle Drive Gearbox Operation—Without Slip Clutch
Circle Drive Gearbox Operation—With Slip Clutch
Diagnose Malfunctions Of Hydraulic System
Diagnose Malfunctions Of Hydraulic System
Diagnose Malfunctions Of Steering System
Diagnose Service Brakes
Hydraulic Circuit Symbols
Main Hydraulic Schematic
Main Hydraulic Component Location
Control Lever Pattern Change
Control Lever Pattern Change
Jt05800 Digital Thermometer Installation
Jt05800 Digital Thermometer Installation
Jt02156a Digital Pressure And Temperature Analyzer Installation
Jt07148 Digital Hydraulic Tester
Hydraulic Oil Warm-Up Procedure
Vacuum Pump Installation
Main Pump Standby Pressure Test
Main Hydraulic Pump Leakage Test
Main Pump Flow Test
Pump Destroke Spike Test
Priority Control Valve Pressure Test
System Relief Valve Pressure Test
Counterbalance Valve Pressure Test
Counterbalance Valve Leakage Test
Crossover Relief Valve Pressure Test
Cooler Bypass Valve Pressure Test—Non-Hfwd
Brake Valve Pressure Test
Brake Accumulator Precharge Test
Brake Light Switch Test
Hydraulic Component Neutral Leakage Test
Grader Control Valve
Steering Valve
Ripper Solenoid Valve
Brake Valve Leakage Test
Saddle Locking Pin Leakage Test
Hydraulic Cylinder Drift Test
Hydraulic Cylinder Leakage Test
Crossover Relief Valve Leakage Test
Rotary Manifold Leakage Test
Steering System Leakage Test
Brake Accumulator Inlet Check Valves Leakage Test
Hydraulic Oil Filter Inspection Procedure
Cycle Time Test
Air Conditioning System Cycle Of Operation
Air Conditioning System Cycle Of Operation
Air Conditioning System Cycle Of Operation
Diagnose Air Conditioning System Malfunctions
Diagnose Air Conditioning System Malfunctions
Diagnose Heater System Malfunctions
Heating/Air Conditioning Component Location
Air Conditioning Operational Checks
All Lines And Hoses
Air Conditioner Compressor Check
Condenser Check
Heater/Evaporator Core Check
Freeze Control Switch Capillary Tube Check
Cab Door And Window Seals Check
Filter Check
Air Conditioning Operational Checks
All Lines And Hoses
Air Conditioner Compressor Check
Condenser Check
Heater/Evaporator Core Check
Freeze Control Switch Capillary Tube Check
Cab Door And Window Seals Check
Filter Check
R134a Air Conditioning System Test
Operating Pressure Diagnostic Chart
A/C Freeze Control Switch Test
A/C Compressor Clutch Test
A/C Low Pressure Switch Test
A/C High Pressure Switch Test
A/C Expansion Valve Test
Expansion Valve Bench Test
Refrigerant Leak Test