John Deere 5075M 5085M Tractors Repair Technical Manual

John Deere 5075M (FT4/Stage IIIB), 5085M (IT4/Stage IIIB) Tractors Repair Technical Manual

John Deere Tractor Manual

Table of Contents

Foreword

General Information

Safety

General References

Technical Specific References

Diagnostic Trouble Codes

BCU Code Diagnostics

CCU Code Diagnostics

ECU Code Diagnostics

EIC Code Diagnostics

HCU Code Diagnostics

ICC Code Diagnostics

PTR Code Diagnostics

Observable Symptoms and System Diagnostics

General References

Engine Diagnostics

Fuel, Air Intake, Exhaust, and Cooling Diagnostics

Electrical Diagnostics

Electronic Control Unit Diagnostics

Drive Systems and Transmission Diagnostics

Steering and Brakes Diagnostics

Hydraulic Diagnostics

Cab/Open Operator`s Station Diagnostics Engine

General References

Engine Calibrations, Preliminary Checks, and Operational Checks

Engine Theory of Operation

Engine Schematics

Engine Component and Connector Information

Engine Tests and Adjustments

Fuel, Air Intake, Exhaust, and Cooling

General References

Fuel, Air Intake, Exhaust, and Cooling Calibrations, Preliminary and Operational Checks

Fuel, Air Intake, Exhaust, and Cooling Theory of Operation

Fuel, Air Intake, Exhaust, and Cooling Schematics

Fuel, Air Intake, Exhaust, and Cooling Component and Connector Information

Fuel, Air Intake, Exhaust, and Cooling Tests and Adjustments

Electrical General and Theory of Operation

General References

Turn Signal Switch and Warning Lights

Wipers (Two Speed)

Wipers (Single Speed)

Rear Wipers

Instrument Cluster Control (ICC)

Basic Control Unit (BCU)

Electrohydraulic Control Unit (EHC)

Hitch Control Unit (HCU)

Power Train Reverser (PTR)

Chassis Control Unit (CCU) (PR/SR Transmission)

Chassis Control Unit (CCU) (SS Transmission)

Engine Control Unit (ECU)

Controller Area Network

Electrical Schematics

General References

Starting, Charging, and Battery Disconnect (SE1)

Neutral Start (SS Transmission) (SE2A)

Neutral Start (PR/SR Transmission) (SE2B)

Accessory Power (SE3)

Horn (SE4)

Light Switch, Headlights, and Signal Lights (SE5)

Cab Work Lighting (SE5A)

Open Operator Station Work Lighting (SE5B)

Turn Signal Switch and Warning Lights (SE6)

Light Switch, Headlights, and Signal Lights (License and Clearance Lights) (SE7)

Cab Work Lighting (License and Clearance Lights) (SE7A)

Open Operator Station Work Lighting (License and Clearance Lights) (SE7B)

Warning and Turn Signal Lighting (License and Clearance Lights) (SE8)

Junction Block Power (SE9)

Trailer Connector (SE10)

Trailer Connector (Implement Flood Light Connector) (SE11A)

Front Implement Interfaces (SE11B)

Loader Lights (SE12)

Back-Up Alarm (SE13A)

Beacon Light (SE13B)

Mid-Mount SCV (SE14)

Power Outlets (Square Terminals) (SE15A)

Power Outlets (Round Terminals) (SE15B)

Heating (SE16)

Air Conditioning (SE17)

Wipers (Two Speed) (SE19)

Wipers (Single Speed) (SE20)

Rear Wipers (SE21)

Dome Light, Door Switch, and Radio (SE22)

Air Seat (SE23)

Instrument Cluster Control (ICC) (SE24)

Ground Drive PTO, Seat, Rear PTO, and Wheel Speed (SE25A)

Front PTO (SE25B)

Multi-Function Control Lever (SE25C)

ELX Relay and Fuses (SE26)

Mechanical Front-Wheel Drive (MFWD) (SE27)

Brake Switch (SE28)

Electrohydraulic Control Unit (EHC) (SE29A)

Hitch Control Unit (HCU) (SE29B)

Power Train Reverser (PTR) (SE29C)

Chassis Control Unit (CCU) (PR/SR Transmission) (SE29D)

Chassis Control Unit (CCU) (SS Transmission) (SE29E)

Engine Control Unit (ECU) (SE30)

Fuel Preheater (License and Clearance Lights) (SE31)

Controller Area Network (SE32)

Electrical Components and Connectors

General References

Starting and Charging (SE1)

Neutral Start (SS Transmission) (SE2A)

Neutral Start (PR/SR Transmission) (SE2B)

Accessory Power (SE3)

Horn (SE4)

Light Switch, Headlights, and Signal Lights (SE5)

Cab Work Lighting (SE5A)

Open Operator Station Work Lighting (SE5B)

Turn Signal Switch and Warning Lights (SE6)

Light Switch, Headlights, and Signal Lights (License and Clearance Lights) (SE7)

Cab Work Lighting (License and Clearance Lights) (SE7A)

Open Operator Station Work Lighting (License and Clearance Lights) (SE7B)

Warning Light Switch and Turn Signal Lighting (License and Clearance Lights) (SE8)

Junction Block Power (SE9)

Trailer Connector (SE10)

Trailer Connector (Implement Flood Light Connector) (SE11A)

Front Implement (SE11B)

Loader Lights (SE12)

Back-Up Alarm (SE13A)

Beacon Light (SE13B)

Mid-Mount SCV (SE14)

Power Outlets (Square Terminals) (SE15A)

Power Outlets (Round Terminals) (SE15B)

Heating (SE16)

Air Conditioning (SE17)

Wipers (Two Speed) (SE19)

Wipers (Single Speed) (SE20)

Rear Wipers (SE21)

Dome Light, Door Switch, and Radio (SE22)

Air Seat (SE23)

Instrument Cluster Control (ICC) (SE24)

Ground Drive PTO, Seat, Rear PTO, and Wheel Speed (SE25A)

Front PTO (SE25B)

Multi-Function Control Lever (SE25C)

ELX Relay and Fuses (SE26)

Mechanical Front-Wheel Drive (MFWD) (SE27)

Brake Switch (SE28)

Electrohydraulic Control Unit (EHC) (SE29A)

Hitch Control Unit (HCU) (SE29B)

Power Train Reverser (PTR) (SE29C)

Chassis Control Unit (CCU) (PR/SR Transmission) (SE29D)

Chassis Control Unit (CCU) (SS Transmission) (SE29E)

Engine Control Unit (ECU) (SE30)

Fuel Preheater (License and Clearance Lights) (SE31)

Controller Area Network (SE32)

Fuses and Relays

Ground Points

Interconnects

Wiring Harnesses

Electrical Tests and Adjustments

General References

Starting and Charging

Neutral Start (SS Transmission)

Neutral Start (PR/SR Transmission)

Accessory Power

Horn

Light Switch, Headlights, and Signal Lights

Cab Work Lighting

Open Operator Station Work Lighting

Turn Signal Switch and Warning Lights

Light Switch, Headlights, and Signal Lights (License and Clearance Lights)

Cab Work Lighting (License and Clearance Lights)

Open Operator Station Work Lighting (License and Clearance Lights)

Warning and Turn Signal Lighting (License and Clearance Lights)

Junction Block Power

Trailer Connector

Trailer Connector (Implement Flood Light Connector)

Front Implement Interfaces

Loader Lights

Back-Up Alarm

Beacon Light

Mid-Mount SCV

Power Outlets (Square Terminals)

Power Outlets (Round Terminals)

Heating

Air Conditioning

Wipers (Two Speed)

Wipers (Single Speed)

Rear Wipers

Dome Light, Door Switch, and Radio

Air Seat

Instrument Cluster Control (ICC)

Ground Drive PTO, Seat, Rear PTO, and Wheel Speed

Front PTO

Multi-Function Control Lever

ELX Relay and Fuses

Mechanical Front-Wheel Drive (MFWD)

Brake Switch

Electrohydraulic Control Unit (EHC)

Hitch Control Unit (HCU)

Power Train Reverser (PTR)

Chassis Control Unit (CCU) (PR/SR Transmission)

Chassis Control Unit (CCU) (SS Transmission)

Engine Control Unit (ECU)

Fuel Preheater

Controller Area Network

Electronic Control Units

General References

Calibrations, Preliminary Checks, and Operational Checks

Theory of Operation

Schematics

Component and Connector Information

Tests and Adjustments

Basic Control Unit (BCU)

Chassis Control Unit (CCU)

Engine Control Unit (ECU)

Engine Interface Control Unit (EIC)

Hitch Control Unit (HCU)

Instrument Cluster Control Unit (ICC)

Power Train Reverser (PTR)

Drive Systems and Transmissions

General References

Calibrations, Preliminary Checks, and Operational Checks

Creeper Theory of Operation

Differential Theory of Operation

Differential Lock Theory of Operation

Final Drive Theory of Operation

Front PTO Theory of Operation

Rear PTO Theory of Operation

High Crop Axle Theory of Operation

MFWD Theory of Operation

PR/SR Transmission Theory of Operation

PR Plus Transmission Theory of Operation

SS Transmission Theory of Operation

Drive Systems Schematics

Transmission Schematics

Drive Systems Component and Connector Information

Transmission Component and Connector Information

Drive Systems Tests and Adjustments

Transmission Tests and Adjustments

Steering and Brakes

General References

Brake Calibrations, Preliminary Checks, and Operational Checks

Steering Calibrations, Preliminary Checks, and Operational Checks

Brake Theory of Operation

Secondary Brake Theory of Operation

Steering Theory of Operation

Brake Schematics

Steering Schematics

Brake Component and Connector Information

Secondary Brake Component and Connector Information

Steering Component and Connector Information

Brake Tests and Adjustments

Secondary Brake Tests and Adjustments

Steering Tests and Adjustments

Hydraulics

John Deere 5075M (FT4/Stage IIIB), 5085M (IT4/Stage IIIB) Tractors Repair Technical Manual

General References

Calibrations, Preliminary Checks, and Operational Checks

General Hydraulics Theory of Operation

Electrohydraulic Hitch Theory of Operation

Mechanical Hitch Theory of Operation

Front Hitch Theory of Operation

Hydraulic Filter Theory of Operation

Hydraulic Pump Theory of Operation

Dual Mid-Mount SCV Theory of Operation-Mono-Block Valve

Power Beyond Theory of Operation-Mono-Block Valve

Quick Disconnect Coupler Theory of Operation

Dual Rear SCV Theory of Operation-Mono-Block Valve

Triple Mid-Mount SCV Theory of Operation-Mono-Block Valve

Triple Rear SCV Theory of Operation-Mono-Block Valve

Dual Mid-Mount SCV Theory of Operation—Sectional Valve

Power Beyond Theory of Operation—Sectional Valve

Dual Rear SCV Theory of Operation—Sectional Valve

Triple Mid-Mount SCV Theory of Operation—Sectional Valve

Triple Rear SCV Theory of Operation—Sectional Valve

Hydraulic Trailer Brake Theory of Operation

Schematics-Mono-Block Valve

Schematics—Sectional Valve

Component and Connector Information

Tests and Adjustments

Cab/Open Operator`s Station

General References

Calibrations, Preliminary Checks, and Operational Checks

HVAC Theory of Operation

Seat Theory of Operation

Schematics

Component and Connector Information

Tests and Adjustments

Special Tools

General References

Dealer Fabricated and Service Tools

Technical manuals are divided into two parts: repair and diagnostics. Repair sections tell how to repair the components. Diagnostic sections help you identify the majority of routine failures quickly.

This manual was planned and written for the service department; its place is in the shop. Use the manual whenever in doubt about correct maintenance procedures. Use it as a textbook for training new service department personnel who are unfamiliar with John Deere tractors.

Daily use of this service manual as a guide in overcoming service problems will reduce error and costly delay to a minimum and ensure you the best in finished service work. In many instances your customer’s confidence in your work will be improved when he sees you using the service manual. He knows you are following approved maintenance procedures and making proper adjustments. There is no work when you use the manual.

These are concise guides for specific machines and are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.