John Deere 770G 770GP 772G 772GP Motor Grader Operation & Test Service Manual TM12139 PDF - MJODTM12139.zip
A full Operation and Test service guide, complete with Electrical Wiring Diagrams, covering John Deere Motor Graders 770G, 770GP, 772G, and 772GP — packed with shop-level detail for servicing, troubleshooting, and overhauling these machines the way trained technicians do.
The Diagnosis & Test workshop manual for John Deere Motor Graders 770G, 770GP, 772G, 772GP (Engine 6090HDW11, Engine 6090HDW16) contains:
* 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.
TM12139 - John Deere Motor Graders 770G, 770GP, 772G, 772GP Technical Manual - Operation & Test.PDF
tm12152 - John Deere 770G, 770GP, 772G et 772GP Niveleuse.pdf
Total Pages: 2,510 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Models: John Deere - 770G Motor Grader - (634380-656507) Engine 6090HDW16 (iT4/S3b)
Category: Operation and Test
Language: English French
MAIN SECTIONS (SN. 634380—656507)
Foreword
9000 - General Information
9001 - Diagnostics
9005 - Operatinal Checkout Procedure
9010 - Engine
9015 - Electrical System
9016 - Six Wheel Drive (6WD)
9020 - Power Train
9025 - Hydraulic System
9031- Heating and Air Conditioning
Foreword
Manual Identification-READ THIS FIRST!
General Information
Safety
Diagnostics
PCU Diagnostic Trouble Codes
ECU Diagnostic Trouble Codes
ADU Diagnostic Trouble Codes
FLC Diagnostic Trouble Codes
HVC Diagnostic Trouble Codes
AVC Diagnostic Trouble Codes
OC3 Diagnostic Trouble Codes
HWD Diagnostic Trouble Codes
LJ1 Diagnostic Trouble Codes
LJ2 Diagnostic Trouble Codes
LJ3 Diagnostic Trouble Codes
LJ4 Diagnostic Trouble Codes
RJ1 Diagnostic Trouble Codes
RJ2 Diagnostic Trouble Codes
RJ3 Diagnostic Trouble Codes
RJ4 Diagnostic Trouble Codes
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
Monitor Operation
References
Six Wheel Drive (6WD)
Theory of Operation
Diagnostic Information
Adjustments
Tests
Power Train
Theory of Operation
Diagnostic Information
Tests
Hydraulic System
Theory of Operation
Diagnostic Information
Tests
Heating and Air Conditioning
Theory of Operation
Diagnostic Information
Tests
TABLE CONTENTS - Expanded View
Foreword
Manual Identification—READ THIS FIRST!
Section 9000: General Information
Group 01: 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
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Exhaust Filter Ash Handling and Disposal
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
Clean Exhaust Filter Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Service Tires Safely
Section 9001: Diagnostics
Group 10: PCU Diagnostic Trouble Codes
000177.00 - Transmission Oil Temperature High
000177.04 - Transmission Oil Temperature Short To Ground
000525.02 - Program Variable REQ_GEAR Has Taken On An Invalid Value
000525.12 - Request For An Undefined Shift Being Made
000723.02 - Transmission Input Speed Sensor Bad Data
002000.02 - ECU CAN Data Invalid
002000.09 - Can Communication Lost For ECU
002033.02 - FLC CAN Data Invalid
002033.09 - CAN Communication Lost For FLC
002225.09 - CAN Communication Lost For Six Wheel Drive
522252.00 - Clutch 1 Hold Pressure Too High
522252.01 - Clutch 1 Hold Pressure Too Low
522253.00 - Clutch 2 Hold Pressure Too High
522253.01 - Clutch 2 Hold Pressure Too Low
522254.00 - Clutch 3 Hold Pressure Too High
522254.01 - Clutch 3 Hold Pressure Too Low
522255.00 - Clutch 4 Hold Pressure Too High
522255.01 - Clutch 4 Hold Pressure Too Low
522256.00 - Clutch A Hold Pressure Too High
522256.01 - Clutch A Hold Pressure Too Low
522257.00 - Clutch B Hold Pressure Too High
522257.01 - Clutch B Hold Pressure Too Low
522258.00 - Clutch C Hold Pressure Too High
522258.01 - Clutch C Hold Pressure Too Low
522259.00 - Clutch D Hold Pressure Too High
522259.01 - Clutch D Hold Pressure Too Low
522397.04 - Not In Forward Or Reverse While In Gear
522398.12 - Park And Not Park Both Active
522405.05 - Park Brake Pressure Low At Power-up
522413.12 - Gear Bits Active In Park
522414.03 - Transmission Clutch D Short To Power
522414.05 - Transmission Clutch D Open/Short To Ground
522507.14 - Inching Pedal During Trans Calibration
522517.31 - Engine Stall Prevention Active
523655.03 - Forward And Reverse Both Active
523699.31 - Transmission Speed Clutch Slipping
523700.00 - Clutch Protection Excessive Inching
523700.16 - Clutch Protection Excessive Inching
523700.31 - Transmission Direction Clutch Slipping
523708.02 - Inching Switch Signal Bad
523712.31 - Transmission CAL Without Park Brake Set
523717.31 - Helper Clutch Pressure High
523718.31 - Clutch Drum Speed Decel Excessive
523720.00 - Clutch D Fill Time Too Long
523720.01 - Clutch D Fill Time Too Short
523721.00 - Clutch C Fill Time Too Long
523721.01 - Clutch C Fill Time Too Short
523722.00 - Clutch B Fill Time Too Long
523722.01 - Clutch B Fill Time Too Short
523723.00 - Clutch A Fill Time Too Long
523723.01 - Clutch A Fill Time Too Short
523724.00 - Clutch 4 Fill Time Too Long
523724.01 - Clutch 4 Fill Time Too Short
523725.00 - Clutch 3 Fill Time Too Long
523725.01 - Clutch 3 Fill Time Too Short
523726.00 - Clutch 2 Fill Time Too Long
523726.01 - Clutch 2 Fill Time Too Short
523727.00 - Clutch 1 Fill Time Too Long
523727.01 - Clutch 1 Fill Time Too Short
523728.31 - Transmission Reverse Cylinder Speed Incorrect At Calibration
523729.31 - Transmission Forward Cylinder Speed Incorrect At Calibration
523730.31 - No Transmission Cylinder Speed During Calibration
523731.31 - Transmission Output Speed Detected At Calibration
523732.31 - Engine Speed Too Low To Calibrate The Transmission
523733.31 - Engine Speed Too High To Calibrate The Transmission
523734.31 - Transmission Too Cold To Calibrate
523735.04 - Valve Driver Supply Voltage Low
523736.14 - Bad Gear Position Switch State
523738.02 - Shifter Handle Problem
523738.31 - Shifter Handle Problem
523739.31 - Not Park And Forward/Reverse Mismatch
523740.31 - Forward/Reverse Switch And Gear Mismatch
523741.31 - Started In Gear
523742.31 - Shifter Vsense Low
523747.14 - Park and Not Park Both Passive
523750.04 - Not Park Passive In Gear Or Neutral
523754.03 - Not Park Active At Startup
523755.05 - Park Start Input Passive At Power Up
523761.03 - Transmission Clutch 4 Short To Power
523761.05 - Transmission Clutch 4 Open/Short To Ground
523762.03 - Transmission Clutch 3 Short To Power
523762.05 - Transmission Clutch 3 Open/Short To Ground
523763.03 - Transmission Clutch 2 Short To Power
523763.05 - Transmission Clutch 2 Open/Short To Ground
523764.03 - Transmission Clutch 1 Short To Power
523764.05 - Transmission Clutch 1 Open/Short To Ground
524029.00 - Inching Pedal Out Of Range High
524029.01 - Inching Pedal Out Of Range Low
524029.12 - Inching Pedal Minimum Voltage Exceeds Maximum Voltage
524194.07 - Direction Sensor Mismatch
524271.03 - Transmission Clutch C Short To Power
524271.05 - Transmission Clutch C Open/Short To Ground
524272.03 - Transmission Clutch B Short To Power
524272.05 - Transmission Clutch B Open/Short To Ground
524273.03 - Transmission Clutch A Short To Power
524273.05 - Transmission Clutch A Open/Short To Ground
524275.31 - Forward/Reverse Without Valid Gear
Group 20: ECU Diagnostic Trouble Codes
000029.03 - Decelerator Pedal Short to Power
000091.03 - Accelerator Pedal Short to Power
000091.04 - Accelerator Pedal Open or Short
000111.07 - Engine Coolant Level Mismatch
000111.17 - Engine Coolant Level Low
000596.31 - Engine Speed Control Enable Switch Fault
000600.31 - Engine Speed Accel/Decel Switch Fault
001196.31 - ECU Anti Theft Locked
001321.05 - Starter Relay Open Circuit
001321.06 - Starter Relay High Current
001321.30 - Starter Engaged for 30 Seconds
001321.31 - Starter Solenoid Open Circuit
002003.09 - CAN Communication Lost For TCU
002033.09 - CAN Communication Lost For FLC
002033.19 - Flex Power Messages Lost
003353.31 - Alternator Output Fault
003587.05 - Ether Solenoid Open or Short to Power
003587.06 - Ether Solenoid Circuit Short to Ground
005004.06 - Soft Start Solenoid Current High
Group 30: ADU Diagnostic Trouble Codes
000158.03 - Switched Power Voltage High
000158.04 - Switched Power Voltage Low
000168.03 - Battery Voltage High
000168.04 - Battery Voltage Low
000442.00 - Display Temperature High
000442.01 - Display Temperature Low
001491.11 - LCD Backlight Failure
002033.09 - CAN Communication Lost For FLC
003597.02 - 5.0 Volt Power Supply Invalid
003598.02 - 1.5 Volt Power Supply Invalid
003599.02 - 3.3 Volt Power Supply Invalid
523436.14 - ADU Watchdog Time Out
523438.31 - Memory Error
523651.02 - Memory Stack Overflow
523773.03 - CAN High Voltage High
523773.04 - CAN High Voltage Low
523774.03 - CAN Low Voltage High
523774.04 - CAN Low Voltage Low
524076.10 - Information Button Stuck
524077.10 - Back Key Button Stuck
524078.10 - Menu Select Button Stuck
524080.10 - Down Arrow Button Stuck
524082.10 - Up Arrow Button Stuck
Group 40: FLC Diagnostic Trouble Codes
000096.03 - Fuel Level Sender Open or Short
000096.04 - Fuel Level Sender Short To Ground
000117.01 - Service Brake Pressure Low
000117.04 - Service Brake Accumulator Switch Short to Ground
000167.03 - System Voltage Above Normal
000167.04 - System Voltage Below Normal
000168.03 - High Battery Voltage
000168.04 - Low Battery Voltage
000746.05 - Differential Lock Solenoid Open or Short
000746.06 - Differential Lock Solenoid High Current
000880.05 - Brake Lights Open or Short
000880.06 - Brake Lights High Current
000977.05 - Reverse Fan Solenoid Open or Short
000977.06 - Reverse Fan Solenoid Short to Ground
000977.07 - Fan Pressure Too High to Reverse
001045.04 - Brake Light Switch Short to Ground
001071.03 - Fan Speed Solenoid Open or Short
001071.04 - Fan Speed Solenoid High Current
001196.02 - ECU Toggle Lock Status Failed
001550.05 - AC Clutch Open Circuit
001550.06 - AC Clutch Short to Ground
001638.00 - Hydraulic Oil High Temperature
001638.03 - Hydraulic Oil Temperature Sensor Open or Short
001638.04 - Hydraulic Oil Temp Short To Ground
001639.01 - Fan Speed Signal Extremely Low
001639.16 - Fan Speed Signal Moderately High
001639.18 - Fan Speed Signal Moderately Low
001713.01 - Hydraulic Oil Filter Restricted
001713.03 - Hydraulic Oil Filter Switch Short to Power
001762.01 - Hydraulic Pressure Low
001762.03 - Hydraulic Pressure Short to Power
001762.04 - Hydraulic Pressure Short to Ground
002000.09 - CAN Communication Lost For ECU
002003.09 - CAN Communication Lost For TCU
002034.09 - CAN Communication Lost For AVC
002040.09 - CAN Communication Lost For ADU
002141.09 - CAN Communication Lost For SSM