Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere Tractors 5090E, 5085E, 5078E, 5075E, 5065E, 5055E (2WD or MFWD - PIN Prefix BM), with all the technical information to maintain, diagnose, and test like professional mechanics.

John Deere Tractors 5055E, 5065E, 5075E, 5078E, 5085E, 5090E workshop Diagnosis & Tests technical 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.

tm801619 - 5055E, 5065E, 5075E, 5078E, 5085E and 5090E Tractors — Diagnostics Technical Manual - (World Edition) Technical Manual.pdf
tm801619 - 5055E, 5065E, 5075E, 5078E, 5085E and 5090E Tractors — Diagnostics Technical Manual - (World Edition) Technical Manual.epub

Total Pages: 1,602 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
 Foreword
   General Information
      Safety
      General References
      References for Technical Information
   Observable Symptoms and System Diagnostics
      Engine
      Fuel and Air Intake
      Electrical System - 5055E and 5065E
      Electrical System - 5075E
      Electrical System - 5078E, 5085E and 5090E - Open Operator's Platform
      Electrical System - 5078E, 5085E and 5090E - Cab
      Drive Train
      Steering and Brakes
      Hydraulic System
      Cab
   Engine
      General Information
      Theory of Operation
      Diagram
      Tests for Diagnostics and Adjustments
   Information on Engine Components
      General Information
      Engine Components
   Fuel System, Air Intake, Cooling and Exhaust Systems
      General Information
      Theory of Operation
      Schematic
      Tests for Diagnostics and Adjustments
   Fuel System, Cooling, Air Intake and Exhaust System Component Information
      General Information
      Fuel System Components
      Air Intake System Components
      Cooling System Components
   Electrical System - 5055E and 5065E
      General Information
      Operational and Preliminary Checks
      Theory of Operation
      Schematic
      Diagnostic Tests and Adjustments
   Electrical System - 5075E
      General Information
      Operational and Preliminary Checks
      Identification of Type
      Theory of Operation
      Schematic
      Diagnostic Tests and Adjustments
   Electrical System - 5078E, 5085E and 5090E - Open Operator's Platform
      General Information
      Operational and Preliminary Checks
      Theory of Operation
      Schematic
      Diagnostic Tests and Adjustments
   Electrical System - 5078E, 5085E and 5090E - Cab
      General Information
      Operational and Preliminary Checks
      Theory of Operation
      Schematic
      Diagnostic Tests and Adjustments
   Information on Electrical Components - 5055E and 5065E
      Wiring Harnesses
      Connectors
   Information on Electrical Components - 5075E
      Wiring Harnesses
      Connectors
   Information on Electrical Components - 5078E, 5085E and 5090E - Open Operator's Platform
      Wiring Harnesses
      Connectors
   Electrical Components Information - 5078E, 5085E and 5090E - Cab Tractors
      Wiring Harnesses
      Connectors
   Drive Train
      General Information
      Theory of Operation
      Tests for Diagnostics and Adjustments
   Drive Train Components Information
      General Information
      Drive Train Components
   Steering and Brakes
      General Information
      Theory of Operation
      Tests for Diagnostics and Adjustments
   Steering and Brake Components Information
      Steering System Components
      Brake Components
   Hydraulic System
      General Information
      Operational and Preliminary Checks
      Identification of Type
      Theory of Operation - A-Type
      Theory of Operation - B-Type
      Theory of Operation - Type C
      Theory of Operation - Type D
      Hydraulic Schematics
      Diagnostic Tests and Adjustments-A-Type
      Diagnostic Tests and Adjustments-B-Type
      Diagnostic Tests and Adjustments-C-Type
      Diagnostic Tests and Adjustments-D-Type
   Information on Hydraulic Components
      Hydraulic Components
   Cab
      General Information
      Operational and Preliminary Checks
      Theory of Operations
      Schematic
      Diagnostic Tests and Adjustments
   Information on Cab Components
      Cab Components

tm801619 - 5055E, 5065E, 5075E, 5078E, 5085E and 5090E Tractors — Diagnostic Technical Manual -: (World Edition)

Table of Contents

Foreword

Section 210: General Information

Group 05A: Safety

Recognize Safety Information

Understand Signal Words

Follow Safety Instructions

Prevent Machine Runaway

Handle Fluids Safely—Avoid Fires

Prevent Battery Explosions

Prepare for Emergencies

Handling Batteries Safely

Service Cooling System Safely

Handle Chemical Products Safely

Park Machine Safely

Support Machine Properly

Wear Protective Clothing

Work in Clean Area

Service Machines Safely

Work In Ventilated Area

Illuminate Work Area Safely

Replace Safety Signs

Use Proper Lifting Equipment

Wait Before Opening High-Pressure Fuel System

Avoid High-Pressure Fluids

Use Steps and Handholds Correctly

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Keep ROPS Installed Properly

Service Tires Safely

Avoid Harmful Asbestos Dust

Practice Safe Maintenance

Use Proper Tools

Dispose of Waste Properly

Live With Safety

Group 05B: General References

Summary of References

Information Available in Sections, Groups and Subgroups

Trademarks

Basic Diagnostic Philosophy

Regions and Countries

Glossary of Terms

Group 05C: References for Technical Information

Metric Bolt and Screw Torque Values

Unified Inch Bolt and Screw Torque Values

Face Seal Fittings Assembly and Installation—All Pressure Applications

Metric Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Pressures

Metric Face Seal and O-Ring Stud End Fitting Torque Chart—High Pressure Applications

SAE Face Seal and O-Ring Stud End Fitting Torque Chart—Standard Pressures

SAE Face Seal and O-Ring Stud End Fitting Torque Chart—High Pressure Applications

Four Bolt Flange Fittings Assembly and Installation—All Pressure Applications

SAE Four Bolt Flange Cap Screw Torque Values—Standard Pressure Applications

SAE Four Bolt Flange Cap Screw Torque Values—High Pressure Applications

External Hexagon Port Plug Torque Chart

Section 212: Observable Symptoms and System Diagnostics

Group 20: Engine

Engine Problems

Group 30: Fuel and Air Intake

Problems in Fuel System, Air Intake, Cooling and Exhaust Systems

Group 40A: Electrical System - 5055E and 5065E

Electrical System Problems - 5055E and 5065E

Group 40B: Electrical System - 5075E

Electrical System Problems - 5075E

Group 40C: Electrical System - 5078E, 5085E and 5090E - Open Operator's Platform

Electrical System Problems - 5078E, 5085E and 5090E - Open Operator's Platform

Group 40D: Electrical System - 5078E, 5085E and 5090E - Cab

Electrical System Problems - 5078E, 5085E and 5090E - Cab

Group 50: Drive Train

Drive Train Problems

Group 60: Steering and Brakes

Steering and Brake Problems

Group 70: Hydraulic System

Hydraulic System Problems

Group 90: Cab

Heating, Ventilation and Air Conditioning Problems

Section 220: Engine

Group 05: General Information

Summary of References

Group 20: Theory of Operation

Operation of Engine Lubricating System

Operation of Engine Lubricating System—Continuation

Group 30: Diagram

Engine Lubrication System

Group 50: Tests for Diagnostics and Adjustments

Diagnostic Information

Specifications

Essential Tools

Engine Does Not Start

Engine Operating Irregularly or Stalling Frequently

Engine Operating Irregularly

Low Engine Power

Engine Emits Smoke - Black or Gray

Engine Emits Excessive Smoke - White

Engine with Excessive Fuel Usage

Engine with Noise or Excessive Vibration

Engine with Excessive Oil Usage or Blue Smoke

Engine with Low Oil Pressure

Incorrect Operating Temperature of Engine Coolant

Oil in Coolant or Coolant in Oil

Radiator Bubble Test

Cooling System Test

Radiator Cap Pressure Test

Engine Oil Pressure Test

Cylinder Compression Pressure Test

Throttle Lever Adjustment

Adjusting Idle Speed

Adjusting Injection Pump Synchronization

Check and Adjust Valve Play—4-Cylinder Engine

Adjusting Valve Play—3-Cylinder Engine

Fan/Alternator Drive Belt Adjustment

Bleeding Fuel System

Bleeding Fuel System at Injection Nozzles

Checking Turbocharger Auxiliary Pressure

Turbocharger Defect Diagnostics

Section 229: Information on Engine Components

Group 05: General Information

Component Location Information

Group 40: Engine Components

External Components of 3-Cylinder Engine—Left-Hand Side

External Components of 3-Cylinder Engine—Right-Hand Side

External Components of 4-Cylinder Engine—Left-Hand Side

External Components of 4-Cylinder Engine—Right-Hand Side

Section 230: Fuel System, Air Intake, Cooling and Exhaust Systems

Group 05: General Information

Summary of References

Group 20: Theory of Operation

Cooling System Operation—3-Cylinder Engine

Cooling System Operation—4-Cylinder Engine

Fuel System Operation

Fuel Filter Pump Operation

(Supply) Fuel Transfer Pump Operation

Inline Fuel Injection Pump Operation

Regulator Operation (Inline Pump)

Fuel Injection Nozzle Operation

Air Intake System Operation

Turbocharger Operation

Group 30: Schematic

Engine Cooling System

Fuel System

Air Intake System

Group 50: Tests for Diagnostics and Adjustments

Diagnostic Information

Diagnostic Tests and Adjustments of Fuel System, Air Intake, Cooling and Exhaust Systems

Section 239: Fuel System, Cooling, Air Intake and Exhaust System Component Information

Group 05: General Information

Information on Component Location

Group 40A: Fuel System Components

Fuel System - 5055E, 5065E, and 5075E with Bosch Injection Pump

Fuel System - 5075E with Stanadyne Injection Pump

Fuel System - 5078E, 5085E, and 5090E

Group 40B: Air Intake System Components

Air Intake System

Group 40C: Cooling System Components

Water Pump

Radiator

Engine Water Temperature Sensor

Coolant Recovery Tank

Thermostat Valve

Section 240A: Electrical System - 5055E and 5065E

Group 05: General Information

Summary of References

Electrical Designators

Visually Inspect Electrical System

Standard Electrical Symbols

Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

Group 10: Operational and Preliminary Checks

Battery Test

Recharging Battery

Important Recommendations about Batteries

Testing the Alternator

Battery Check

Testing Starter Motor Solenoid

Starter Motor Test

Testing Starter Relay

Testing Ignition Switch.

Testing the Relay

Testing the Diode Block

Fuse Test

Testing the PTO Sensor

Testing the Light Switch

Testing Turning Lights Controller

Group 20: Theory of Operation

20A - Main Power Supply Circuit

20B - Engine Start-Up

20C - Engine Sensors

20D - Engine Air Filter Sensor

20E - Power Take-Off

20F - Fuel Level

20G - Horn

20H - Reverse Light and Backup Alarm

20I - Brake Lights

20J - Turn Signal and Hazard Warning Lights

20K - Work Lights

Group 30: Schematic

30A - Main Power Supply Circuit

30B - Engine Start-Up

30C - Engine Sensors

30D - Engine Air Filter Sensor

30E - Power Take-Off

30F - Fuel Level

30G - Horn

30H - Reverse Light and Backup Alarm

30I - Brake Lights

30J - Turn Signal and Hazard Warning Lights

30K - Work Lights

Group 50: Diagnostic Tests and Adjustments

50B - Engine Start-Up

50C - Engine Sensors

50D - Engine Air Filter Sensor

50E - Power Take-Off

50F - Fuel Level

50G - Horn

50H - Reverse Light and Backup Alarm

50I - Brake Lights

50J - Turn Signal and Hazard Warning Lights

50K - Work Lights

Section 240B: Electrical System - 5075E

Group 05: General Information

Summary of References

Electrical Designators

Visually Inspect Electrical System

Standard Electrical Symbols

Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

Group 10: Operational and Preliminary Checks

Battery Test

Recharging Battery

Important Recommendations about Batteries

Testing the Alternator

Battery Check

Testing Starter Motor Solenoid

Starter Motor Test

Testing Starter Relay

Testing Ignition Switch.

Testing the Relay

Testing the Diode Block

Fuse Test

Testing the PTO Sensor

Testing the Light Switch

Testing Turning Lights Controller

Group 15: Identification of Type

Identifying Electrical System Type

Group 20: Theory of Operation

20A - Main Power Supply Circuit - A-Type

20B - Main Power Supply Circuit - B-Type

20C - Main Power Supply Circuit - C-Type

20D - Starting the Engine - A- and B-Type

20E - Starting the Engine - C-Type

20F - Engine Sensors

20G - Engine Air Filter Sensor

20H - Power Take-Off

20I - Fuel Level

20J - Horn

20K - Reverse Light and Backup Alarm

20L - Brake Lights

20M - Turn Signal and Hazard Warning Lights - A-Type

20N - Turn Signal and Hazard Warning Lights - B- and C-Type

20O - Work Lights - A-Type

20P - Work Lights - B-Type

20Q - Work Lights - C-Type

Group 30: Schematic

30A - Main Power Supply Circuit - A-Type

30B - Main Power Supply Circuit - B-Type

30C - Main Power Supply Circuit - C-Type

30D - Starting the Engine - A- and B-Type

30E - Starting the Engine - C-Type

30F - Engine Sensors

30G - Engine Air Filter Sensor

30H - Power Take-Off

30I - Fuel Level

30J - Horn

30K - Reverse Light and Backup Alarm

30L - Brake Lights

30M - Turn Signal and Hazard Warning Lights - A-Type

30N - Turn Signal and Hazard Warning Lights - B- and C-Type

30O - Work Lights - A-Type

30P - Work Lights - B-Type

30Q - Work Lights - C-Type

Group 50: Diagnostic Tests and Adjustments

50D - Starting the Engine - A- and B-Type

50E - Starting the Engine - C-Type

50F - Engine Sensors

50G - Engine Air Filter Sensor

50H - Power Take-Off

50I - Fuel Level

50J - Horn

50K - Reverse Light and Backup Alarm

50L - Brake Lights

50M - Turn Signal and Hazard Warning Lights - A-Type

50N - Turn Signal and Hazard Warning Lights - B- and C-Type

50O - Work Lights - A-Type

50P - Work Lights - B-Type

50Q - Work Lights - C-Type

Section 240C: Electrical System - 5078E, 5085E and 5090E - Open Operator's Platform

Group 05: General Information

Summary of References

Electrical Designators

Visually Inspect Electrical System

Standard Electrical Symbols

Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

Group 10: Operational and Preliminary Checks

Battery Test

Recharging Battery

Important Recommendations about Batteries

Testing the Alternator

Battery Check

Testing Starter Motor Solenoid

Starter Motor Test

Testing Starter Relay

Testing Ignition Switch.

Testing the Relay

Testing the Diode Block

Fuse Test

Testing the PTO Sensor

Testing the Light Switch

Testing Turning Lights Controller

Group 20: Theory of Operation

20A - Main Power Supply Circuit

20B - Engine Start-Up

20C - Engine Sensors

20D - Engine Air Filter Sensor

20E - Power Take-Off

20F - Fuel Level

20G - Horn

20H - Reverse Light and Backup Alarm

20I - Brake Lights

20J - Turn Signal and Hazard Warning Lights

20K - Work Lights

Group 30: Schematic

30A - Main Power Supply Circuit

30B - Engine Start-Up

30C - Engine Sensors

30D - Engine Air Filter Sensor

30E - Power Take-Off

30F - Fuel Level

30G - Horn

30H - Reverse Light and Backup Alarm

30I - Brake Lights

30J - Turn Signal and Hazard Warning Lights

30K - Work Lights

Group 50: Diagnostic Tests and Adjustments

50B - Engine Start-Up

50C - Engine Sensors

50D - Engine Air Filter Sensor

50E - Power Take-Off

50F - Fuel Level

50G - Horn

50H - Reverse Light and Backup Alarm

50I - Brake Lights

50J - Turn Signal and Hazard Warning Lights

50K - Work Lights

Section 240D: Electrical System - 5078E, 5085E and 5090E - Cab

Group 05: General Information

Summary of References

Electrical Designators

Visually Inspect Electrical System

Standard Electrical Symbols

Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram

Group 10: Operational and Preliminary Checks

Battery Test

Recharging Battery

Important Recommendations about Batteries

Testing the Alternator

Battery Check

Testing Starter Motor Solenoid

Starter Motor Test

Testing Starter Relay

Testing Key Switch

Testing the Relay

Testing the Diode Block

Fuse Test

Testing PTO Switch

Testing Lights Switch

Testing Turn Signal Switch

Group 20: Theory of Operation

20A - Main Power Supply Circuit

20B - Starting the Engine

20C - Sensores do Motor

20D - Engine Air Filter Sensor

20E - Power Take-Off

20F - Fuel Level

20G - Horn

20H - Backup Alarm

20I - Brake Lights

20J - Turn Signal and Hazard Warning Lights

20K - Work Lights

20L - Front Windshield Wiper and Washer

20M - Fan and Air Conditioning

20N - Electrical Power Outlets

20O - Console Light and Dome Light

20P - Rear Position Lights

Group 30: Schematic

30A - Main Power Supply Circuit

30B - Starting the Engine

30C - Engine Sensors

30D - Engine Air Filter Sensor

30E - Power Take-Off

30F - Fuel Level

30G - Horn

30H - Backup Alarm

30I - Brake Lights

30J - Turn Signal and Hazard Warning Lights

30K - Work Lights

30L - Front Windshield Wiper and Washer

30M - Fan and Air Conditioning

30N - Electrical Power Outlets

30O - Console Light and Dome Light

30P - Rear Position Lights

Group 50: Diagnostic Tests and Adjustments

50B - Starting the Engine

50C - Engine Sensors

50D - Engine Air Filter Sensor

50E - Power Take-Off

50F - Fuel Level

50G - Horn

50H - Backup Alarm

50I - Brake Lights

50J - Turn Signal and Hazard Warning Lights

50K - Work Lights

50L - Front Windshield Wiper and Washer

50M - Fan and Air Conditioning

50N - Electrical Power Outlets

50O - Console Light and Dome Light

50P - Rear Position Lights

Section 249A: Information on Electrical Components - 5055E and 5065E

Group 40A: Wiring Harnesses

Rear Wiring Harness (W01)

Engine Wiring Harness (W02)

Cowl Wiring Harness (W03)

Group 40B: Connectors

How to Use Connector Data

Wire Colors and Code Numbers

A01 - Fuse Box

A02 - Diode Module

A03 - Junction Box

B01 - Neutral Start Switch

B02 - Air Filter Restriction Sensor Connector

B03 - Engine Oil Pressure Sensor

B04 - Engine Speed Sensor Connector

B05 - Coolant Temperature Sensor

B06 - Fuel Level Sensor

E01 - Left-Hand Headlight Connector

E02 - Right-Hand Headlight Connector

E04 - Reverse Light Connector (If Equipped)

E09 - Rear Right-Hand Presence Light Connector

E10 - Rear Left-Hand Presence Light Connector

G02 - Alternator Connector

H03 - Horn Connector

H04 - Back-up Alarm Connector

KST - Starter Relay

K01 - Position Lights Relay

K03 - Rear Presence Lights Relay

K04 - Left-Hand Turn Signal Relay

K05 - Right-Hand Turn Signal Relay

K100 - Turn Signal Relay

M01 - Starter Motor Terminals

S01 - Starter Switch

S02 - PTO Switch

S03 - Horn Switch

S04 - Reverse Travel Switch

S05 - Hazard Warning Lights Switch

S06 - Brake Switch

S07 - Turn Signal Switch

S09 - Lights Switch

X05 - Ground Connector

X06 - Ground Connector

X10.1 - Instrument Panel Connector

X10.2 - Instrument Panel Connector

X11 - Connector between Front Wiring Harness and Rear Wiring Harness

X12 - Connector between Cowl Wiring Harness and Rear Wiring Harness

X13 - Brake Lights, Turn Signal Light and Rear Right-Hand Position Light

X14 - Brake Lights, Turn Signal Lights and Rear Left-Hand Position Light

X15 - Front Right-Hand Turn Signal and Position Light

X16 - Front Left-Hand Turn Signal and Position Light

X29 - Ground Wire of Front Wiring Harness

Section 249B: Information on Electrical Components - 5075E

Group 40A: Wiring Harnesses

Rear Wiring Harness (W01) - A-Type

Rear Wiring Harness (W01) - B-Type

Rear Wiring Harness (W01) - C-Type

Engine Wiring Harness (W02) - A- and B-Type

Engine Wiring Harness (W02) - C-Type

Cowl Wiring Harness (W03)

Group 40B: Connectors

How to Use Connector Data

Wire Colors and Code Numbers

A01 - Fuse Box - Type A

A01 - Fuse Box - Type B

A01 - Fuse Box - C-Type

A02 - Diode Module

A03 - Junction Box

A05 - Turn-Signal Switch

B01 - Neutral Start Switch

B02 - Air Filter Restriction Sensor Connector

B03 - Engine Oil Pressure Sensor

B04 - Engine Speed Sensor Connector

B05 - Coolant Temperature Sensor

B06 - Fuel Level Sensor

E01 - Left-Hand Headlight Connector

E02 - Right-Hand Headlight Connector

E04 - Reverse Light Connector (If Equipped)

E09 - Rear Right-Hand Presence Light Connector

E10 - Rear Left-Hand Presence Light Connector

G02 - Alternator Connector

H03 - Horn Connector

H04 - Back-up Alarm Connector

KST - Starter Relay

K01 - Position Lights Relay

K02 - Fuel Cut-Off Relay

K03 - Rear Presence Lights Relay

K04 - Left-Hand Turn Signal Relay - Type A

K04 - Left-Hand Turn Signal Relay - Type B

K04 - Left-Hand Turn Signal Relay - C-Type

K05 - Right-Hand Turn Signal Relay - Type A

K05 - Right-Hand Turn Signal Relay - Type B

K05 - Right-Hand Turn Signal Relay - C-Type

K06 - Fuel Transfer Pump Relay (if equipped)

K100 - Turn Signal Relay

M01 - Starter Motor Terminals

M04 - Fuel Transfer Pump

S01 - Starter Switch

S02 - PTO Switch

S03 - Horn Switch

S04 - Reverse Travel Switch

S05 - Hazard Warning Lights Switch - Type A

S05 - Hazard Warning Lights Switch - Type B

S05 - Hazard Warning Lights Switch - C-Type

S06 - Brake Switch

S07 - Turn Signal Switch

S09 - Lights Switch

X05 - Ground Connector

X06 - Ground Connector

X10.1 - Instrument Panel Connector

X10.2 - Instrument Panel Connector

X11 - Connector between Front Wiring Harness and Rear Wiring Harness - A- and B-Type

X11 - Connector between Front Wiring Harness and Rear Wiring Harness - C-Type

X12 - Connector between Cowl Wiring Harness and Rear Wiring Harness

X13 - Brake Lights, Turn Signal Light and Rear Right-Hand Position Light

X14 - Brake Lights, Turn Signal Lights and Rear Left-Hand Position Light

X15 - Front Right-Hand Turn Signal and Position Light

X16 - Front Left-Hand Turn Signal and Position Light

X29 - Ground Wire of Front Wiring Harness

Y01 - Fuel Cut-Off Solenoid

Section 249C: Information on Electrical Components - 5078E, 5085E and 5090E - Open Operator's Platform

Group 40A: Wiring Harnesses

Rear Wiring Harness (W01)

Engine Wiring Harness (W02)

Cowl Wiring Harness (W03)

Group 40B: Connectors

How to Use Connector Data

Wire Colors and Code Numbers

A01 - Fuse Box

A02 - Diode Module

A03 - Junction Box

B01 - Neutral Start Switch

B02 - Air Filter Restriction Sensor Connector

B03 - Engine Oil Pressure Sensor

B04 - Engine Speed Sensor Connector

B05 - Coolant Temperature Sensor

B06 - Fuel Level Sensor

E01 - Left-Hand Headlight Connector

E02 - Right-Hand Headlight Connector

E04 - Reverse Light Connector (If Equipped)

E09 - Rear Right-Hand Presence Light Connector

E10 - Rear Left-Hand Presence Light Connector

G02 - Alternator Connector

H03 - Horn Connector

H04 - Back-up Alarm Connector

KST - Starter Relay

K01 - Position Lights Relay

K02 - Fuel Cut-Off Relay

K03 - Rear Presence Lights Relay

K04 - Left-Hand Turn Signal Relay

K05 - Right-Hand Turn Signal Relay

K100 - Turn Signal Relay

M01 - Starter Motor Terminals

S01 - Starter Switch

S02 - PTO Switch

S03 - Horn Switch

S04 - Reverse Travel Switch

S05 - Hazard Warning Lights Switch

S06 - Brake Switch

S07 - Turn Signal Switch

S09 - Lights Switch

X05 - Ground Connector

X06 - Ground Connector

X10.1 - Instrument Panel Connector

X10.2 - Instrument Panel Connector

X11 - Connector between Front Wiring Harness and Rear Wiring Harness

X12 - Connector between Cowl Wiring Harness and Rear Wiring Harness

X13 - Brake Lights, Turn Signal Light and Rear Right-Hand Position Light

X14 - Brake Lights, Turn Signal Lights and Rear Left-Hand Position Light

X15 - Front Right-Hand Turn Signal and Position Light

X16 - Front Left-Hand Turn Signal and Position Light

X29 - Ground Wire of Front Wiring Harness

Y01 - Fuel Cut-Off Solenoid

Section 249D: Electrical Components Information - 5078E, 5085E and 5090E - Cab Tractors

Group 40A: Wiring Harnesses

Cab Main Wiring Harness (W01)

Engine Wiring Harness (W02)

Cowl Wiring Harness (W03)

Front Console Wiring Harness (W04)

Cab Roof Wiring Harness (W05)

Group 40B: Connectors

How to Use Connector Data

Wire Colors and Code Numbers

A01 - Fuse and Relay Box

A02 - Diode Module

A03 - Junction Box

A07 - Dome Light and Switch Assembly

B01 - Neutral Start Switch

B02 - Air Filter Restriction Sensor

B03 - Engine Oil Pressure Sensor

B04 - Engine Speed Sensor

B05 - Coolant Temperature Sensor

B06 - Fuel Level Sensor

B07 - Air Conditioning Deicing Switch

B08 - Air Conditioning High/Low Pressure Switch

E01 - Left-Hand Headlight

E02 - Right-Hand Headlight

E07 - Front Right-Hand Work Light

E08 - Front Left-Hand Work Light

E09 - Rear Right-Hand Work Light

E10 - Rear Left-Hand Work Light

E19 - Console Light

G02 - Alternator Connector

H03 - Horn Connector

H04 - Backup Alarm

KST - Starter Relay

K02 - Left-Hand Turn Signal Relay

K03 - Right-Hand Turn Signal Relay

K04 - PTO in Neutral Relay

K05 - Turn Signal Relay

K06 - Trailer Connector Relay

K08 - Rear Work Lights Relay

K09 - Front Work Lights Relay

K10 - Tail Lights, Turn Signal Lights and Brake Lights Relay

K11 - Fuel Cut-Off Relay

K12 - Neutral Start Relay

K13 - Fuel Transfer Pump Relay

K20 - Air Conditioning Relay

K21 - Wiper Relay

K22 - Left-Hand Fan Relay

K23 - Right-Hand Fan Relay

K26 - Accessories Relay

M01 - Starter Motor

M02 - Left-Hand Fan Motor

M03 - Right-Hand Fan Motor

M04 - Fuel Transfer Pump

M05 - Front Wiper Motor

M06 - Front Washer Pump

M11 - Air Conditioning Compressor

R03 - Resistor

S01 - Starter Switch

S02 - PTO Switch

S03 - Horn Switch

S04 - Reverse Travel Switch

S05 - Hazard Warning Lights Switch

S06 - Brake Switch

S07 - Turn Signal Switch

S08 - Fan Switch

S09 - Lights Switch

S10 - AC On/Off Switch

S13 - Left-Hand Door Switch

S30 - Front Wiper Switch

X03 - Accessory Socket

X10.1 - Instrument Panel Connector

X10.2 - Instrument Panel Connector

X11 - Connector (W02 and W04)

X12 - Connector (W03 and W04)

X13 - Brake Lights, Turn Signal Light and Rear Right-Hand Position Light

X14 - Brake Lights, Turn Signal Lights and Rear Left-Hand Position Light

X15 - Front Right-Hand Turn Signal

X16 - Front Left-Hand Turn Signal

X21 - Connector (W01 and W05)

X22.1 - Connector (W01 and W04)

X22.2 - Connector (W01 and W04)

X29 - Engine Wiring Harness Ground Connection

X 30 - Main Cab Wiring Harness Ground Wire

X31 - Junction Block

X32 - Power Outlet

X33 - Front Console Wiring Harness Ground Connection

X34 - Cab Roof Wiring Harness Ground Wire

X35 - Antenna Ground Wire

X36 - Evaporator Ground

Y01 - Fuel Shut-Off Solenoid

Section 250: Drive Train

Group 05: General Information

Summary of References

Group 20: Theory of Operation

Clutch Operation—Dual Clutch

Transmission Lubrication System

CollarShift Transmission—Gear Shift Power Flow

CollarShift Transmission—Range Shift Power Flow

SyncShuttle™ Transmission—Gear Shift Power Flow

SyncShuttle™ Transmission Synchronizer Operation—Reverse and 2nd Gear (Disk-and-Plate Type Synchronizer)

SyncShuttle™ Transmission Synchronizer Operation—1st and 3rd Gear (Cone-Type Synchronizer)

CollarShift Transmission—Shift Range Power Flow

PTO Power Flow

Rear PTO Operation

Mechanical Front Wheel Drive (MFWD) Operation

Differential Power Flow

Differential Lock Operation

Final Drive Operation

Group 50: Tests for Diagnostics and Adjustments

Diagnostic Information

Isolate the Problem Area

Traction Clutch Slips

Traction Clutch Dragging

Traction Clutch Does Not Engage

Traction Clutch Grabs

Traction Clutch Squeaks

Traction Clutch Does Not Release

Traction Clutch Chatters

Traction Clutch Rattles

Traction Clutch Engagement Is Noisy

Excessive Vibration in Traction Clutch

Clutch Pedal Does Not Return

Clutch Pedal Loose

Clutch Pedal Pulsates

Jerky or Rough Transmission of Power

Low Transmission Oil Level (Excessive Oil Leakage)

Gears Beating, Hard Gearshifting or Not Shifting

Two Speeds Engage Together

Transmission Will Not Stay in Gear

Transmission Noisy

PTO Noisy

PTO Hard to Engage

PTO Will Not Operate

PTO Will Not Stay Engaged

Excessive Differential Noise

Differential Does Not Work

No Differential Lock

Differential Chatters

Axle Noise

Axle Shaft Will Not Turn

Adjusting PTO Clutch Lever Linkage

Section 259: Drive Train Components Information

Group 05: General Information

Information on Component Location

Group 40: Drive Train Components

Drive Train Components

Clutch Components—Dual

CollarShift Transmission Components

Transmission Components—TSS

Final Drive Components

Rear PTO Components

Section 260: Steering and Brakes

Group 05: General Information

Summary of References

Group 20: Theory of Operation

Steering System Operation

Steering Valve Operation — Manual Turn and Neutral

Steering Valve Operation — Power Assisted Turning

Brake System Operation

Brake Valve Operation

Brake Valve Operation — Continued

Brake Valve Operation — Resting Brake Pedal

Group 50: Tests for Diagnostics and Adjustments

Isolate the Problem — Steering System

Slow Steering or Loss of Steering

Isolate the Problem — Brakes

Excessive Brake Pedal Leak

Excessive Brake Vibration

Steering Pump Rate of Flow Test

Steering Valve Relief Valve Test

Steering Cylinder Leakage Test

Steering Valve Leak Lest

Checking the Toe-In — Two-Wheel Drive

Adjusting the Toe-In — Two-Wheel Drive

Checking the Toe-In — Four-Wheel Drive

Adjusting the Toe-In — Four-Wheel Drive

Adjusting the Turning Angle of the Steering Backstop — Four-Wheel Drive

Brake Pedal Adjustment

Bleed Brake System

Section 269: Steering and Brake Components Information

Group 40A: Steering System Components

Steering System Components

Group 40B: Brake Components

Brake System Components

Section 270: Hydraulic System

Group 05: General Information

Summary of References

Standard Hydraulic Symbols

Hydraulic Designators

Hydraulic System Testing Precautions

Aeration and Cavitation

Hydraulic Components

Oil Storage and Filling

Oil Filtration

Group 10: Operational and Preliminary Checks

Visually Inspect Hydraulic System

Hydraulic Troubleshooting Tips

Preliminary Hydraulic System Inspection

Group 15: Identification of Type

Identification of Hydraulic System Type

Group 20A: Theory of Operation - A-Type

Hydraulic System

Hydraulic Filter and Mesh Filter

Hydraulic Pump

Mita Pick-Up Hitch Valve—Neutral Position

Mita Pick-Up Hitch Valve—Raise Position

Mita Pick-Up Hitch Valve—Lower Position

Mita Pick-Up Hitch Valve—Rate-of-Drop Modulation

Mita Pick-Up Hitch Valve—Overpressure Relief Valve

Pick-Up Hitch Position Control

Pick-Up Hitch Sensitivity Control

Mita Selective Control Valve—Neutral Position

Mita Selective Control Valve—Retract Position

Mita Selective Control Valve—Extend Position

Mita Selective Control Valve—Float Position

Quick-Couplers

Group 20B: Theory of Operation - B-Type

Hydraulic System

Hydraulic Filter and Mesh Filter

Hydraulic Pump

Eaton Pick-Up Hitch Valve—Neutral Position

Eaton Pick-Up Hitch Valve—Raise Position

Eaton Pick-Up Hitch Valve—Lower Position

Eaton Pick-Up Hitch Valve—Rate-of-Drop Modulation

Pick-Up Hitch Valve—Overpressure Relief Valve

Pick-Up Hitch Sensitivity Control

Eaton Selective Control Valve—Neutral Position

Eaton Selective Control Valve—Retract Position

Eaton Selective Control Valve—Extend Position

Eaton Selective Control Valve—Float Position

Quick-Couplers

Group 20C: Theory of Operation - Type C

Hydraulic System

Hydraulic Filter and Mesh Filter

Hydraulic Pump

Valmova-Sauer Danfoss Pick-Up Hitch Valve—Neutral Position

Valmova-Sauer Danfoss Pick-Up Hitch Valve—Raise Position

Valmova-Sauer Danfoss Pick-Up Hitch Valve—Lower Position

Valmova-Sauer Danfoss Pick-Up Hitch Valve—Rate-of-Drop Modulation

Pick-Up Hitch Valve—Overpressure Relief Valve

Pick-Up Hitch Sensitivity Control

Valmova-Sauer Danfoss Selective Control Valve—Neutral Position

Valmova-Sauer Danfoss Selective Control Valve—Extend and Retract Position

Valmova-Sauer Danfoss Selective Control Valve—Float Position

Quick-Couplers

Group 20D: Theory of Operation - Type D

Hydraulic System

Hydraulic Filter and Mesh Filter

Hydraulic Pump

Hema Pick-Up Hitch Valve

Hema Pick-Up Hitch Valve—Main Relief Valve

Hema Pick-Up Hitch Valve—Rate-of-Drop Modulation

Pick-Up Hitch Valve—Overpressure Relief Valve

Pick-Up Hitch Sensitivity Control

Valmova-Sauer Danfoss Double Selective Control Valve—Neutral Position

Valmova-Sauer Danfoss Double Selective Control Valve—Extend and Retract Position

Valmova-Sauer Danfoss Double Selective Control Valve—Float Position

Quick-Couplers

Group 30: Hydraulic Schematics

Main Hydraulic Schematic—A-Type

Main Hydraulic Schematic—B-Type

Main Hydraulic Schematic—C-Type

Main Hydraulic Schematic—D-Type

Group 50A: Diagnostic Tests and Adjustments—A-Type

Diagnostic Information

Norms of Safety

Hydraulic Oil Heating Procedures

Pick-Up Hitch Raise Cycle Test

Pick-Up Hitch Leak Test

Selective Control Valve Leak Test

Hydraulic Pump Flow Test—Without Selective Control Valve

Hydraulic Pump Flow Test—With Selective Control Valve

Main Relief Valve Test

Adjusting Main Relief Valve

Adjusting Pick-Up Hitch Position Control Lever

Adjusting Pick-Up Hitch Sensitivity Control Lever

Adjusting Pick-Up Hitch Control Lever Friction

Adjusting Return Spring Assembly

Controlling Pressure Rod Measurement

Hydraulic Pump without Oil Flow

Insufficient Hydraulic Pump Delivery

Very Slow Hydraulic Functions

Excessive Hydraulic Pump Pressure

Slow Response from the Hydraulic Pump

Excessive Hydraulic Pump Noise During Operation

Pick-Up Hitch Does Not Rise or Rises Slowly

Hydraulic Hitch Does Not Lower or Lowers Slowly

Pick-Up Hitch Lowers after Engine Is Turned Off

Remote Cylinder will not Extend or Retract

Remote Cylinder Lowers under Load

Remote Cylinder Operates Very Fast or Too Slowly

Group 50B: Diagnostic Tests and Adjustments—B-Type

Diagnostic Information

Norms of Safety

Hydraulic Oil Heating Procedures

Pick-Up Hitch Raise Cycle Test

Pick-Up Hitch Leak Test

Selective Control Valve Leak Test

Hydraulic Pump Flow Test—With Selective Control Valve

Main Relief Valve Test

Adjusting Main Relief Valve

Adjusting Pick-Up Hitch Control Lever Friction

Adjusting Pick-Up Hitch Position Sensor Link

Adjusting Pick-Up Hitch Depth Sensor Link

Hydraulic Pump without Oil Flow

Insufficient Hydraulic Pump Delivery

Very Slow Hydraulic Functions

Excessive Hydraulic Pump Pressure

Slow Response from the Hydraulic Pump

Excessive Hydraulic Pump Noise During Operation

Pick-Up Hitch Does Not Rise or Rises Slowly

Hydraulic Hitch Does Not Lower or Lowers Slowly

Pick-Up Hitch Lowers after Engine Is Turned Off

Remote Cylinder will not Extend or Retract

Remote Cylinder Lowers under Load

Remote Cylinder Operates Very Fast or Too Slowly

Group 50C: Diagnostic Tests and Adjustments—C-Type

Diagnostic Information

Norms of Safety

Hydraulic Oil Heating Procedures

Pick-Up Hitch Raise Cycle Test

Pick-Up Hitch Leak Test

Selective Control Valve Leak Test

Hydraulic Pump Flow Test—Without Selective Control Valve

Hydraulic Pump Flow Test—With Selective Control Valve

Main Relief Valve Test

Adjusting Main Relief Valve

Adjusting Pick-Up Hitch Control Lever Friction

Adjusting Pick-Up Hitch Position Sensor Link

Adjusting Pick-Up Hitch Depth Sensor Link

Hydraulic Pump without Oil Flow

Insufficient Hydraulic Pump Delivery

Very Slow Hydraulic Functions

Excessive Hydraulic Pump Pressure

Slow Response from the Hydraulic Pump

Excessive Hydraulic Pump Noise During Operation

Pick-Up Hitch Does Not Rise or Rises Slowly

Hydraulic Hitch Does Not Lower or Lowers Slowly

Pick-Up Hitch Lowers after Engine Is Turned Off

Remote Cylinder will not Extend or Retract

Remote Cylinder Lowers under Load

Remote Cylinder Operates Very Fast or Too Slowly

Group 50D: Diagnostic Tests and Adjustments—D-Type

Diagnostic Information

Norms of Safety

Hydraulic Oil Heating Procedures

Pick-Up Hitch Raise Cycle Test

Pick-Up Hitch Leak Test

Selective Control Valve Leak Test

Hydraulic Pump Flow Test—Without Selective Control Valve

Hydraulic Pump Flow Test—With Selective Control Valve

Main Relief Valve Test

Adjusting Main Relief Valve

Pick-Up Hitch Cylinder Supply Pressure Test

Adjusting Load Sense Relief Valve

Adjusting Pick-Up Hitch Sensitivity Control and Position Control Cable

Adjusting Pick-Up Hitch Control Lever Friction

Adjusting Pick-Up Hitch Position Sensor Link

Adjusting Pick-Up Hitch Depth Sensor Link

Hydraulic Pump without Oil Flow

Insufficient Hydraulic Pump Delivery

Very Slow Hydraulic Functions

Excessive Hydraulic Pump Pressure

Slow Response from the Hydraulic Pump

Excessive Hydraulic Pump Noise During Operation

Pick-Up Hitch Does Not Rise or Rises Slowly

Hydraulic Hitch Does Not Lower or Lowers Slowly

Pick-Up Hitch Lowers after Engine Is Turned Off

Remote Cylinder will not Extend or Retract

Remote Cylinder Lowers under Load

Remote Cylinder Operates Very Fast or Too Slowly

Section 279: Information on Hydraulic Components

Group 40: Hydraulic Components

Hydraulic Pump

Steering Cylinder

Hydraulic Filter

Mesh Filter

Steering Valve

Brake Valve

Pick-Up Hitch Valve and Selective Control Valves

Selective Control Valves Couplers

Oil Cooler

Section 290: Cab

Group 05: General Information

Summary of References

Group 10: Operational and Preliminary Checks

Heating, Ventilation and Air Conditioning Preliminary Checks

Heating, Ventilation and Air Conditioning Operational Checks

Group 20: Theory of Operations

Principle of Heat Exchange

Air Conditioning System Operation

Air Conditioning Compressor Operation

Air Conditioning Condenser Operation

Air Conditioning High/Low Pressure Switch Operation

Air Conditioning Evaporator Operation

Air Conditioning Thermostat Operation

Air Conditioning Expansion Valve Operation

Air Conditioning Receiver-Dryer Operation

Air Conditioning On-Off and Temperature Control Knob Operation

Heater Control Dial Operation

Heating and Ventilation Operation

Group 30: Schematic

Air Conditioning System

Heating and Ventilation System

Group 50: Diagnostic Tests and Adjustments

Safety in the Workplace

Handling Refrigerant

Safety Equipment

In the Event of an Emergency

Storage of Refrigerant Containers

Refrigerant R134a

Important

Special Tools

Installing Air Conditioning Test Equipment

Air Conditioning System Pressure Test

Air Conditioning System Static Pressure Test

Temperature Drop Test

Section 299: Information on Cab Components

Group 40: Cab Components

Air Conditioning Compressor

A/C Condenser

Air Conditioning High-Low Pressure Switch

Air Conditioning Thermostat

Air Conditioning Evaporator

Air Conditioning Expansion Valve

Air Conditioning Receiver-Dryer

Air Conditioning On/Off Switch

Air Conditioning Temperature Control Knob

Heater Control Knob

Cab Fan Speed Control Selector

John Deere Tractors 5055E, 5065E, 5075E, 5078E, 5085E, 5090E Diagnosis and Tests Service Technical Manual (TM801619)