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John Deere Models 6100, 6100SE, 6200, 6200SE, 6300, 6300SE, 6400, 6400SE, 6506, 6800, 6900, 6600 Tractors Diagnostics Technical Manual (TM4487)

Catalog: 

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Model: 

US Dollar: $38.00

Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere Tractors 6100, 6200, 6300, 6400, 6506, 6600, 6800, 6900, SE6100, SE6200, SE6300 and SE6400 (2WD or MFWD), with all the workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere Tractors 6100, 6100SE, 6200, 6200SE, 6300, 6300SE, 6400, 6400SE, 6506, 6800, 6900, 6600 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.

TM4487 English - John Deere 6100 - 6900 and SE tractors Diagnosis and Tests Technical Manual.pdf
tm4486 German - Traktoren 6100 bis 6900 und SE
tm4497 French - Tracteurs 6100 - 6900 et tracteurs SE
tm4501 Italian - Trattori 6100 - 6900 e trattori SE
tm4502 Swedish - 6100 till 69900 och SE-traktorer Funktion och kontroller Del 1 (210 till 240-15B)
tm4503 Dutch - Trekkers 6100 tot 6900 en SE-modellen Werking en Controles - Deel 2 (240-15C tot 299)

Total Pages: 2,725 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English ...

MAIN SECTIONS
Foreword
   Safety
      Safety Precautions
   Service Codes
      HCU Code Diagnostics
      BCU Code Diagnostics
      RCU Code Diagnostics
   Observable Symptom
      Electrical
      Transmission
      Power Take-Off
      Brakes
      Hitch
   Engine
      Dynamometer Test
   Fuel, Air Intake and Cooling Systems
      System Diagnosis
      System Tests
      Fuel System
      Air Intake System
      Cooling System
      Cold Weather Starting Aids
   Electrical System
      System Information
      System Diagrams (6100-6400 up to Serial No. 127538)
      System Diagrams (6100-6506 from Serial No. 127539)
      System Diagrams (6600, 6800 up to Serial No. 139832)
      System Diagrams (6100 to 6900)
      System Diagrams (SE Tractors)
      Sub-System Diagnostics (6100-6400 up to Serial No. 127538)
      Sub-System Diagnostics (6100-6400 from Serial No. 127539)
      Sub-System Diagnostics (6600, 6800 up to Serial No. 139832)
      Sub-System Diagnostics (6100 to 6900)
      Sub-System Diagnostics (SE Tractors)
      Adjustments
      Component Tests
   SyncroPlusSyncroPlus is a trademark of Deere & Company. Transmission
      Operational Checks
      System Diagnosis
      System Tests
      Theory of Operation - SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission
      PERMA-CLUTCH 2PERMA-CLUTCH 2 is a trademark of Deere & Company.
      Theory of Operation - Gear Transmission
      Theory of Operation - Creeper Transmission
      Theory of Operation - Range Transmission
   PowrReverserPowrReverser is a trademark of Deere & Company.
      Operational Checks
      System Diagnosis
      System Tests
      Theory of Operation - PowrReverser PowrReverser is a trademark of Deere & Company.
      PowrReverserPowrReverser is a trademark of Deere & Company. Module
      Gear Transmission
   PowrQuadPowrQuad is a trademark of Deere & Company. Transmission
      Operational Checks
      System Diagnosis
      Adjustments
      Theory of Operation - PowrQuad PowrQuad is a trademark of Deere & Company. Transmission
   Drive Systems
      Operational Checks
      System Diagnosis
      System Tests
      Front Wheel Drive Clutch
      Differential
      Final Drives
      Rear PTO Options
      Front PTO
   Steering and Brakes
      Operational Checks
      System Diagnosis
      System Tests
      Theory of Operation (Complete System)
      Hydrostatic Steering
      Brakes
      Handbrake
      Hydraulic Trailer Brakes
      Air Brake System
   Hydraulic System
      Operational Checks
      System Diagnosis
      System Diagnosis in LSC Hydraulic System (SE Tractors)
      System Tests
      Hydraulic System
      Charge Pump
      Hydraulic Pumps
      Hydraulic System Valves
      Rockshaft and Lift Cylinders
      Selective Control Valves and Couplers
      Independent Control Valve
      LSC Hydraulic System and Components (SE Tractors)
   Operator's Cab
      Operational Checks
      Air Conditioning System Diagnosis
      Ventilation and Heater - System Diagnosis
      Operator's Seat - System Diagnosis
      Theory of Operation - Air Conditioning System
      Theory of Operation - Ventilation and Heater
   Special Tools (Dealer-Fabricated)

tm4487 - 6100 - 6900 and se tractors

Table of Contents

Foreword

Section 210: Safety

Group 05: Safety Precautions

Safety Information

“Important” - Information

“Note” - Information

Handle Fluids Safely-Avoid Fires

Prevent Battery Explosions

Prepare for Emergencies

Prevent Acid Burns

Avoid High-Pressure Fluids

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

Avoid Heating Near Pressurized Fluid Lines

Remove Paint Before Welding or Heating

Keep ROPS Installed Properly

Service Tires Safely

Practice Safe Maintenance

Use Proper Tools

Dispose of Waste Properly

Live With Safety

Service Front-Wheel Drive Tractor Safely

Section 211: Service Codes

Group HCU: HCU Code Diagnostics

HCU 022-System Voltage not in Specification

HCU 027-Calibration not Successful

HCU 028-Calibration Memory Failure

HCU 029-Calibration Memory Failure

HCU 041-Stepper Motor Circuit open

HCU 042-Stepper Motor Circuit open

HCU 043-Stepper Motor Circuit open

HCU 044-Stepper Motor Circuit open

HCU 045-Potentiometers and Position Sensor Supply Voltage Out of Range

HCU 046-Draft Sensor Supply voltage Out of Range

HCU 049-Quick Raise/ Lower Rocker Switch Circuit out of specification

HCU 050-Stepper Motor Deadband out of range

HCU 051-Left Draft Sensor Signal Circuit out of specification

HCU 052-Right Draft Sensor Signal Circuit out of specification

HCU 053-Load/ Depth Control Potentiometer Circuit

HCU 054-Hitch Height Control Lever Potentiometer Circuit

HCU 055-Rockshaft Position Sensor Circuit

HCU 056-Raise Limit Control Potentiometer

HCU 057-Rate-of-Drop Control Potentiometer Circuit

HCU 058-Remote Control Switch Circuit

HCU 239-Circuit fault during Calibration

HCU 241-Hitch Position Sensor Circuit fault during Calibration

HCU 242-Hitch Position Sensor Circuit fault during Calibration

HCU 250-Right Draft Sensor Circuit out of specification during calibration

HCU 251-Right Draft Sensor Circuit out of specification during calibration

HCU 252-Right Draft Sensor Circuit out of specification during calibration

HCU 253-Left Draft Sensor Circuit out of specification during calibration

HCU 254-Left Draft Sensor Circuit out of specification during calibration

HCU 255-Left Draft Sensor Circuit out of specification during calibration

Group BCU: BCU Code Diagnostics

BCU 045-Diagnostic Procedure for Service Code

BCU 046-Diagnostic Procedure for Service Code

BCU 047-Diagnostic Procedure for Service Code

BCU 055-Diagnostic Procedure for Service Code

BCU 072-Diagnostic Procedure for Service Code

BCU 073-Diagnostic Procedure for Service Code

BCU 075-Diagnostic Procedure for Service Code

BCU 076-Diagnostic Procedure for Service Code

BCU 080-Diagnostic Procedure for Service Code

BCU 081-Diagnostic Procedure for Service Code

BCU 085-Diagnostic Procedure for Service Code

BCU 086-Diagnostic Procedure for Service Code

BCU 106-Diagnostic Procedure for Service Code

BCU 130-Diagnostic Procedure for Service Code

BCU 131-Diagnostic Procedure for Service Code

BCU 132-Diagnostic Procedure for Service Code

BCU 133-Diagnostic Procedure for Service Code

BCU 134-Diagnostic Procedure for Service Code

Group RCU: RCU Code Diagnostics

RCU 015-Fault in Detent Solenoid Circuit

RCU 017-Insignificant Fault that has no Effect on Tractor Operation

RCU 019-Parking Switch and Reverse Lockout Switch

RCU 025-Fault in Detent Solenoid Circuit

RCU 027-Enable Switch indicates no Pressure

RCU 029-Enable Pressure Switch indicates Pressure, but Pressure is actually zero (Diagnostic Mode Only)

RCU 031-Fault in Enable Solenoid Circuit

RCU 032-Park Position, but its Valid Neutral Signal is missing

RCU 034-Reverse Drive Lever remains in Direction too long while Range Lever is in "Park" (Diagnostic Mode Only)

RCU 040-Forward and Reverse Switches open, but Not-Neutral Switch is closed

RCU 041-Forward and Reverse Switches both closed at same Time

RCU 042-Forward Switch closed, but Not-Neutral Switch open

RCU 043-Reverse Switch closed, but Not-Neutral Switch open

RCU 044-Not-Neutral Relay open, but Not-Neutral Switch closed

RCU 045-Direction of Travel is selected, but enable Solenoid is still closed

RCU 047-No Neutral Signal after Engine is started

RCU 048-System Voltage too low

RCU 051-Reverse Drive Lever in Direction, but Neutral Start Switch indicates neutral

RCU 052-Tractor with Reverse Lockout: Range selected for Reverse travel is too high

RCU 053-Reverser Drive Lever in Neutral, but Neutral Start Switch indicates not neutral

RCU 055-Enable Solenoid stuck in closed Position

RCU 056-Reverser Drive Lever in forward or reverse when Engine is started

RCU 057-Transmission Enable Voltage too low during operation

RCU 058-Transmission Enable Voltage too low when Engine is started

RCU 064-Fault in Memory of RCU

RCU 065-Fault in RCU

RCU 067-Neutral Start Switch indicates Not-Neutral without cause

Section 212: Observable Symptom

Group 40: Electrical

Controller/s not Displayed

Performance Monitor Display Problem

Group 55: Transmission

L.H. Electrical Reverser Lever will not stay in Forward or Reverse Position

Group 56: Power Take-Off

PTO will not run

PTO will not stop turning

PTO Slips Under Load

Group 60: Brakes

Handbrake Insufficient

Group 70: Hitch

Hitch does not Work

Hitch Remote Control does not Work

Section 220: Engine

Group 10: Dynamometer Test

Preliminary Engine Tests

Dynamometer Test

Section 230 : Fuel, Air Intake and Cooling Systems

Group 10: System Diagnosis

Fuel System

Cooling System

Group 15: System Tests

Special or Essential Tools

Specifications

Testing the Air Intake System

Testing the Low-Pressure Switch in Air Intake System

Testing Cooling System for Leaks

Checking Expansion Tank Cap

Checking the Fuel Transfer Pump

Group 20A: Fuel System

General Information

Description

Fuel Transfer Pump - Theory of Operation

Fuel Filter - Theory of Operation

Group 20B: Air Intake System

Air Cleaner - Theory of Operation

Group 20C: Cooling System

General Information

Description of Radiator

Viscous Fan Drive - Theory of Operation

Automatic Drive Belt Tensioner - Theory of Operation

Group 20D: Cold Weather Starting Aids

General Information

Electrical Starting Aid - Theory of Operation

Fuel Preheater - Theory of Operation

Coolant Preheater - Theory of Operation

Section 240: Electrical System

Group 05: System Information

Special or Essential Tools

Special Tools

Battery Specification

Battery Operation

Troubleshooting on Battery

Procedure for Testing Batteries

Check Battery Electrolyte Level and Terminals

Starting With a Booster Battery

Electrical Circuit Malfunctions

Open Circuit

Grounded Circuit

Shorted Circuit

How to Read Electrical Drawings

Symbols in Functional Schematic, Wiring and Harness Diagrams

Group 10: System Diagrams (6100-6400 up to Serial No. 127538)

Fuses (6100-6400 up to Serial No. 127538)

Part Designations in Functional Schematic, Wiring and Harness Diagrams

Section Designations in Functional Schematic

Harness Designation in Wiring Diagram

Functional Schematic 6100-6400 up to Serial No. 127538 (Complete Tractor)

Engine Wiring Harnesses W1, W2, W3

Cab/Cowl Wiring Harnesses W4, W5, W6, W7, W8, W9, W10

Transmission Wiring and Harness W13

Roof Wiring Harness W11, W12

Circuit Board of Instrument Unit (Single gauge)

Circuit Board of Instrument Unit (dual gauge)

Circuit Board for Display Unit

Group 10A: System Diagrams (6100-6506 from Serial No. 127539)

Fuses (6100-6506 from Serial No. 127539)

Part Designations in Functional Schematic, Wiring and Harness Diagrams

Section Designations in Functional Schematic

Harness Designation In Wiring Diagram

Functional Schematic -6100-6506 from Serial No. 127539 (Complete Tractor)

Engine Wiring Harnesses W3, W14

Cab Wiring Harnesses W4 (with HCU only), W5, W6, W7, W8, W9

Roof WiringHarnesses W10, W11

Roof Wiring Harness W18

Cab Wiring Harness W4 with RCU (AL115013)

Cab Wiring Harness for 4-Post ROPS W4 (AL114347)

Transmission Wiring Harness W20 (AL112509)

Transmission Wiring Harness W13

Circuit Board for Instrument Unit

Circuit Board for Display Unit

Group 10B: System Diagrams (6600, 6800 up to Serial No. 139832)

Fuses (6600 and 6800 up to Serial No. 139832)

Part Designations in Functional Schematic, Wiring and Harness Diagrams

Section Designations in Functional Schematic

Harness Designation in Wiring Diagram

Functional Schematic - 6600 and 6800 up to Serial No. 139832 (Complete Tractor)

Engine Wiring Harnesses W1, W2, W3

Cab Wiring Harnesses W4, W5, W6, W7, W10

Transmission Wiring Harness W13 (6600 Tractor)

Transmission Wiring Harness W13 (6800 Tractor)

Roof Wiring Harness W11

Circuit Board for Instrument Unit

Instrument Unit Plug Arrangement

Circuit Board for Display Unit

Display Unit Plug Arrangement

Group 10C: System Diagrams (6100 to 6900)

System Diagrams

Fuses (6100 to 6900)

Part Designations in Functional Schematic, Wiring and Harness Diagrams

Section Designations in Functional Schematic

Harness Designation in Wiring Diagram

Functional Schematic -6100 to 6900(Complete Tractor)

Engine Wiring Harnesses (W3, W14)

Cab Wiring Harnesses W4, W5, W6, W7, W8, W9 and W10

Roof Wiring Harnesses W11 and W18

Cab Wiring Harness W4 with RCU (AL115015)

Transmission Wiring Harness W20 (AL112509)

Transmission Wiring Harness W13 (6100 to 6600 Tractors)

Transmission Wiring Harness W13 (6800 and 6900 Tractors)

Circuit Board for Instrument Unit

Instrument Unit Plug Arrangement

Circuit Board for Display Unit

Display Unit Plug Arrangement

Group 10D: System Diagrams (SE Tractors)

Fuses (SE Tractors)

Part Designations in Functional Schematic and Wiring Harnesses

Section Designations in Functional Schematic

Wiring Harness Designations

Functional Schematic - SE Tractors (Complete Tractor)

W3-Engine Wiring Harness

W4-Cab Wiring Harness

W11-Cab Roof Wiring Harness

W8-Blower and Air Conditioning Harness

W13-Transmission Wiring Harness

Circuit Board of Instrument Unit (Simplified Version)

Instrument Unit Plug Arrangement

Circuit Board of Instrument Unit (Standard Version)

Instrument Unit Plug Arrangement

Circuit Board for Display Unit

Display Unit Plug Arrangement

Group 15: Sub-System Diagnostics (6100-6400 up to Serial No. 127538)

Special or Essential Tools

SE1-Starting Motor and Charging Circuit - Functional and Diagnostic Schematic

SE2-Instrument Unit and Lighting - Functional and Diagnostic Schematic

SE3-Display Unit - Functional and Diagnostic Schematic

SE4-Handbrake Monitoring System - Functional and Diagnostic Schematic

SE5-Horn - Functional and Diagnostic Schematic

SE6-Cigarette Lighter and Operator's Seat - Functional and Diagnostic Schematic

SE7-Front PTO - Functional and Diagnostic Schematic

SE8-Rear PTO - Functional and Diagnostic Schematic

SE9-Front Wheel Drive - Functional and Diagnostic Schematic

SE10-Differential Lock - Functional and Diagnostic Schematic

SE11-Brakes - Functional and Diagnostic Schematic

SE12-Hazard Warning Flasher and Turn Signal Lights - Functional and Diagnostic Schematic

SE13-Lights - Functional and Diagnostic Schematic

SE14-Work Lights - Functional and Diagnostic Schematic

SE15-Three-Terminal Power Outlet Socket - Functional and Diagnostic Schematic

SE16-Radio, Dome and Console Light - Functional and Diagnostic Schematic

SE17-Fan and Air Conditioning System - Functional and Diagnostic Schematic

SE18-Windshield Wipers and Washer - Functional and Diagnostic Schematic

SE19-Clutch Cooling - Functional and Diagnostic Schematic

SE20-Beacon Light - Functional and Diagnostic Schematic

SE21-Electronic Rockshaft Control - Functional and Diagnostic Schematic

Group 15A: Sub-System Diagnostics (6100-6400 from Serial No. 127539)

Special or Essential Tools

SE1-Starting Motor and Charging Circuit - Functional and Diagnostic Schematic

SE2-Instrument Unit and Lighting - Functional and Diagnostic Schematic

SE3-Display Unit - Functional and Diagnostic Schematic

SE4-Handbrake Monitoring System - Functional and Diagnostic Schematic

SE5-Horn - Functional and Diagnostic Schematic

SE6-Cigarette Lighter and Operator's Seat - Functional and Diagnostic Schematic

SE7-Front PTO - Functional and Diagnostic Schematic

SE8-Rear PTO - Functional and Diagnostic Schematic

SE9-Front Wheel Drive - Functional and Diagnostic Schematic

SE10-Differential Lock - Functional and Diagnostic Schematic

SE11-Brake System - Functional and Diagnostic Schematic

SE12-Hazard Warning Flasher and Turn Signal Lights - Functional and Diagnostic Schematic

SE13-Lights - Functional and Diagnostic Schematic

SE14-Work Lights - Functional and Diagnostic Schematic

SE15-3-Terminal Power Outlet Socket and Front Loader Plug - Functional and Diagnostic Schematic

SE16-Radio, Digital Clock, Dome and Console Lights - Functional and Diagnostic Schematic

SE17-Blower and Air Conditioning System - Functional and Diagnostic Schematic

SE18-Windshield Wipers and Washers - Functional and Diagnostic Schematic

SE20-Beacon Light - Functional and Diagnostic Schematic

SE21-Electronic Rockshaft Control - Functional and Diagnostic Schematic

SE25-Electrical Reverser Control - Functional and Diagnostic Schematic

Group 15B: Sub-System Diagnostics (6600, 6800 up to Serial No. 139832)

Special or Essential Tools

SE1-Starting Motor and Charging Circuit - Functional and Diagnostic Schematic

SE2-Instrument Unit and Lighting - Functional and Diagnostic Schematic

SE3-Control Unit - Functional and Diagnostic Schematic

SE5-Horn - Functional and Diagnostic Schematic

SE6-Cigarette Lighter and Operator's Seat - Functional and Diagnostic Schematic

SE7-Front PTO - Functional and Diagnostic Schematic

SE13-Lighting System - Functional and Diagnostic Schematic

SE14-Worklights - Functional and Diagnostic Schematic

SE15-Three-Terminal Power Outlet Socket - Functional and Diagnostic Schematic

SE16-Radio, Digital Clock, Dome and Console Light - Functional and Diagnostic Schematic

SE17-Fan and Air Conditioning System - Functional and Diagnostic Schematic

SE18-Windshield Wipers and Washer - Functional and Diagnostic Schematic

SE20-Beacon Light - Functional and Diagnostic Schematic

SE21-Electronic Rockshaft Control- Functional and Diagnostic Schematic

SE22A-Basic Control Unit (Brake System) - Functional and Diagnostic Schematic

SE22B-Basic Control Unit (Front Wheel Drive) - Functional and Diagnostic Schematic

SE22C-Basic Control Unit (Hazard Warning and Turn Signal Lights) - Functional and Diagnostic Schematic

SE22D-Basic Control Unit (Differential Lock) - Functional and Diagnostic Schematic

SE22E-Basic Control Unit (Radar) - Functional and Diagnostic Schematic

SE22F-Basic Control Unit (Rear PTO) - Functional and Diagnostic Schematic

SE22G-Basic Control Unit (Handbrake Monitoring System) - Functional and Diagnostic Schematic

SE22H-Basic Control Unit (Power Supply and Tachometer Sending Unit) - Functional and Diagnostic Schematic

SE23-Signal Socket - Functional and Diagnostic Schematic

SE24-Performance Monitor - Functional and Diagnostic Schematic

Group 15C: Sub-System Diagnostics (6100 to 6900)

Sub-System Diagnostics

Special or Essential Tools

SE1-Starting Motor and Charging Circuit - Functional and Diagnostic Schematic

SE2-Instrument Unit and Lighting - Functional and Diagnostic Schematic

SE3-Display Unit - Functional and Diagnostic Schematic

SE5-Horn - Functional and Diagnostic Schematic

SE6-Cigarette Lighter and Operator's Seat - Functional and Diagnostic Schematic

SE7-Front PTO - Functional and Diagnostic Schematic

SE13-Lights - Functional and Diagnostic Schematic

SE14-Work Lights - Functional and Diagnostic Schematic

SE15-3-Terminal Power Outlet Socket and Front Loader Plug - Functional and Diagnostic Schematic

SE16-Radio, Digital Clock, Dome and Console Lights - Functional and Diagnostic Schematic

SE17-Blower and Air Conditioning System - Functional and Diagnostic Schematic

SE18-Windshield Wipers and Washers - Functional and Diagnostic Schematic

SE20-Beacon Light - Functional and Diagnostic Schematic

SE21-Electronic Rockshaft Control - Functional and Diagnostic Schematic

SE22A-Basic Control Unit - Brake System - Functional and Diagnostic Schematic

SE22B-Basic Control Unit - Front Wheel Drive Without HMS - Functional and Diagnostic Schematic

SE22C-Basic Control Unit - Hazard Warning and Turn Signal Lights - Functional and Diagnostic Schematic

SE22D-Basic Control Unit - Differential Lock - Functional and Diagnostic Schematic

SE22E-Basic Control Unit - Radar - Functional and Diagnostic Schematic

SE22F-Basic Control Unit - Rear PTO Without HMS - Functional and Diagnostic Schematic

SE22G-Basic Control Unit - Handbrake Monitoring System - Functional and Diagnostic Schematic

SE22H-Basic Control Unit - Power Supply and Tachometer Sending Unit - Functional and Diagnostic Schematic

SE22I-Basic Control Unit - Headland Management System - Functional and Diagnostic Schematic

SE23-Signal Socket - Functional and Diagnostic Schematic

SE24-Performance Monitor - Functional and Diagnostic Schematic

SE25-Electrical Reverser Control - Functional and Diagnostic Schematic

Group 15D: Sub-System Diagnostics (SE Tractors)

Special or Essential Tools

SE1-Starting Motor and Charging Circuit - Functional and Diagnostic Schematic

SE2-Instrument Unit and Lighting - Functional and Diagnostic Schematic

SE3-Instrument Unit - Functional and Diagnostic Schematic

SE4-Handbrake Monitoring System - Functional and Diagnostic Schematic

SE5-Horn - Functional and Diagnostic Schematic

SE8-Rear PTO - Functional and Diagnostic Schematic

SE9-Front Wheel Drive - Functional and Diagnostic Schematic

SE10-Differential Lock - Functional and Diagnostic Schematic

SE11-Brake System - Functional and Diagnostic Schematic

SE12-Hazard Warning Flasher and Turn Signal Lights - Functional and Diagnostic Schematic

SE13-Lights - Functional and Diagnostic Schematic

SE14-Work Lights - Functional and Diagnostic Schematic

SE16-Radio, Dome and Console Lights - Functional and Diagnostic Schematic

SE17-Blower and Air Conditioning System - Functional and Diagnostic Schematic

SE18-Windshield Wipers and Washers - Functional and Diagnostic Schematic

SE20-Beacon Light - Functional and Diagnostic Schematic

SE21-Electronic Rockshaft Control - Functional and Diagnostic Schematic

SE26-Display Unit, Functional and Diagnostic Schematic

Group 20: Adjustments

Explanation of BCU and Performance Monitor (PRF) Testing

Safety Measures

Special or Essential Tools

Testing with the Performance Monitor

Abbreviations Used in the Display

BCU Description and Functions

Testing, Calibrating and Adjusting the BCU

BCU Addresses

Diagnostic Structure

Diagnostic Program (Entering Diagnostic Mode / Recall Service Codes)

Diagnostic Addresses List

Description of BCU Diagnostic Addresses

Calibration Address List

Description of BCU Calibration Addresses

BCU Identification Addresses

Service Code List

Test Procedure for Diagnostic Address BCU 04

Test Procedure for Diagnostic Address BCU 06

Test Procedure for Diagnostic Address BCU 07

Test Procedure for Diagnostic Address BCU 08

Test Procedure for Diagnostic Address BCU 09

Test Procedure for Diagnostic Address BCU 11

Test Procedure for Diagnsotic Address BCU 19

Test Procedure for Diagnostic Address BCU 32

Group 25: Component Tests

Special or Essential Tools

Specifications

SE1-Starting Motor and Charging Circuit-Voltage Checks

SE2-Instrument Unit and Lighting-Voltage Checks

SE3-Display Unit-Voltage Checks

SE4-Handbrake Monitoring System-Voltage Checks

SE5-Horn-Voltage Checks

SE6-Cigarette Lighter and Operator's Seat-Voltage Checks

SE7-Front PTO-Voltage Checks

SE8-Rear PTO-Voltage Checks

SE9-Front Wheel Drive-Voltage Checks

SE10-Differential Lock-Voltage Checks

SE11-Brakes-Voltage Checks

SE12-Hazard Warning Flasher and Turn Signals-Voltage Checks

SE13-Lights-Voltage Checks

SE14-Work Lights-Voltage Checks

SE16-Radio, Dome and Console Light-Voltage Checks

SE17-Blower and Air Conditioning System - Voltage Checks

SE18-Windshield Wipers and Washers-Voltage Checks

SE20-Beacon Light-Voltage Checks

SE22-Basic Control Unit-Voltage Checks

SE25-Electrical Reverser Control - Voltage Checks

CCD circuit - Test Procedure for tractors with HCU only

CCD circuit - Test Procedure for tractors with HCU and RCU

CCD circuit - Test Procedure for tractors with HCU and BCU (PRF)

CCD circuit - Test Procedure for tractors with HCU; RCU and BCU (PRF)

Section 250: Transmission

Group 05: Operational Checks

Checking if Clutch Separates Properly

Checking Clutch for Slippage

Checking Slip Phase of Clutch

Checking the Transmission

Checking Neutral Start Switch

Group 10: System Diagnosis

Explanation of System Diagnosis

Safety Precautions

Special or Essential Tools

Specifications

Heating Up Hydraulic Oil

Connecting JT07115 Hydraulic Test Kit

Layout of Test Ports and Sending Units

Preliminary Checks

Checking Gear and Range Engagement

Checking Clutch Operation

Checking the Transmission Oil Filter

System (Engagement) Pressure Test

Adjusting System (Engagement) Pressure

Check Components Dependent On System (Engagement) Pressure

Checking the Filter Relief Valve

Testing the Engagement Override Valve and Clutch Pedal Valve

Checking the Modulation of the Clutch Pedal Valve

Checking the Lube Oil Pressure

Clutch Cooling System Test (Up to Component Serial No. 102256)

Clutch Cooling System Test (From Component Serial No. 102257)

Measuring the Flow Rate

Checking the Cooler Relief Valve

Group 15: System Tests

Special or Essential Tools

Shift Linkage Test

Range Transmission Linkage Test

Adjusting Range Transmission Linkage

Option Transmission Shift Linkage Test

Adjusting Shift Linkage at Option Transmission

Gear Transmission Linkage Test

Adjusting Shift Linkage at Gear Transmission

Adjusting Neutral Start Switch

Checking Neutral Start Switch

Adjusting Shift Linkage and Parking Lock (Up to Tractor Serial No. 182777)

Adjusting Shift Linkage and Parking Lock (From Tractor Serial No. 182778)

Clutch Pedal Adjustment (Up to Tractor Serial No. 130420)

Clutch Pedal Adjustment (From Tractor Serial No. 130421)

Group 20: Theory of Operation - SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission

Layout of 12-Speed Transmission

Layout of 12-Speed Transmission with Creeper

Layout of 15-Speed Transmission

Layout of 15-Speed Transmission with Creeper

Layout of 18-Speed Transmission

Layout of 18-Speed Transmission with Creeper

Lubrication System

Shift Operation

Synchronization

Transmission Circuit - Theory of Operation

Group 20A: PERMA-CLUTCH 2PERMA-CLUTCH 2 is a trademark of Deere & Company.

Components

Clutch Design

Power Flow, Clutch Pedal Depressed

Power Flow, Clutch Pedal Not Depressed

Transmission Oil Pump - Theory of Operation

Hydraulic Circuit Diagram

Description of Valves

Other Transmission Oil Circuit Components

Over-Speed Relief and Air-Suction Valves - Theory of Operation

Clutch Pedal Valve and Engagement Override Valve, Theory of Operation-Engine On, Clutch Pedal Not Depressed Since Engine Has Been Started

Clutch Pedal Valve and Engagement Override Valve, Theory of Operation-Engine On, Clutch Pedal Depressed

Clutch Pedal Valve and Engagement Override Valve, Theory of Operation-Engine On, Clutch Pedal in Process of Being Released

Clutch Cooling, Theory of Operation-Engine On, Clutch Pedal in Process of Being Released

Clutch Cooling, Theory of Operation-Engine On, Clutch Almost Fully Engaged

Clutch Cooling, Theory of Operation-Engine On, Clutch Engaged

Clutch Cooling, Theory of Operation-Engine On, Clutch in Process of Disengagement

Clutch Cooling, Theory of Operation-Engine On, Clutch Disengaged

Clutch Cooling, Theory of Operation-Engine On, Clutch Only Briefly Disengaged

Pressure Regulating Valve and Filter Relief Valve, Theory of Operation-Normal Operation (Transmission Oil Filter Clean)

Pressure Regulating Valve and Filter Relief Valve, Theory of Operation-Transmission Oil Filter Clogged

Pressure Regulating Valve and Filter Relief Valve, Theory of Operation-Transmission Oil Filter Completely Clogged

Cooler Relief Valve - Theory of Operation

Lube Relief Valve - Theory of Operation

Group 20B: Theory of Operation - Gear Transmission

Gear Transmission Design

Power Flow in 1st Gear

Power Flow in 2nd Gear

Power Flow in 3rd Gear

Power Flow in Reverse Gear

Neutral Start Switch

Group 20C: Theory of Operation - Creeper Transmission

Creeper Transmission Design

Group 20D: Theory of Operation - Range Transmission

Range Transmission Design

Design (12 Speed Transmission)

Design (15 Speed Transmission)

Design (18 Speed Transmission)

Power Flow, Range A (12 Speed Transmission)

Power Flow, Range B (12 Speed Transmission)

Power Flow, Range C (12 Speed Transmission)

Power Flow, Range D (12 Speed Transmission)

Power Flow, Range A (15 and 18 Speed Transmission)

Power Flow, Range E (15 and 18 Speed Transmission)

Power Flow, Range F (18 Speed Transmission)

Parking Lock

Section 251:

Group 05: Operational Checks

Before You Start

Neutral Start Switch Check

Neutral to Gear Modulation Check

Forward/Reverse Modulation Check

Gear Engagement Check

Range Engagement Check

Clutch Modulation Check

Transmission Creep Check

Clutch Engagement Check

Group 10: System Diagnosis

Explanation of System Diagnosis

Safety Precautions

Special or Essential Tools

Specifications

Heating Up Hydraulic Oil

Connecting JT07115 Hydraulic Test Kit

Layout of Test Connections and Sending Units

Preliminary Checks

Checking Gear and Range Engagement

Checking Forward/Reverse Modulation

Checking the Transmission Oil Filter

Checking System (Engagement) Pressure

Adjusting System (Engagement) Pressure

Check Components Dependent on System (Engagement) Pressure

Checking the Filter Relief Valve

Checking the Clutch Pedal Valve

Checking the Disk Clutch and Disk Brake

Checking the Lube Oil Pressure

Checking the Clutch Cooling System

Checking the Flow Rate

Checking the Cooler Relief Valve

Group 15: System Tests

Special or Essential Tools

Shift Linkage Test

Range Transmission Linkage Test

Adjusting Range Transmission Linkage

Gear Transmission Linkage Test

Adjusting Shift Linkage at Gear Transmission

Adjusting the Reverse Drive Linkage

Adjusting the Shift Linkage and Parking Lock

Clutch Pedal Adjustment

Group 20: Theory of Operation - PowrReverser PowrReverser is a trademark of Deere & Company.

Design

Transmission Circuit - Theory of Operation

Group 20A: PowrReverserPowrReverser is a trademark of Deere & Company. Module

Components

Design and Powerflow

PowrReverserPowrReverser is a trademark of Deere & Company. Module - Sectional View

Theory of Operation - Transmission Oil Pump

Valves and Other Hydraulic Components

PowrReverserPowrReverser is a trademark of Deere & Company. - Hydraulic Circuit Diagram

Description of Valves and Other Hydraulic Components

Theory of Operation - Pressure Regulating and Filter Relief Valves

Theory of Operation - Forward/Reverse Modulation

Theory of Operation - Clutch Pedal Valve

Theory of Operation - Engagement Override Valve

Theory of Operation - Cooling

Group 20B: Gear Transmission

Illustration of Gear Transmission

Design and Powerflow

Section 255: Transmission

Group 05: Operational Checks

Preliminary Checks

Operational Checkouts

Group 10: System Diagnosis

Use Step-By-Step Hydraulic Diagnostic Charts

Special or Essential Tools

Service Equipment and Tools

Other Material

Observe Safety Precautions

Legal Requirements

Avoid High-Pressure Fluids

Connecting the Performance Monitor

Operating the Performance Monitor

Diagnostic Program

List of Addresses

Diagnosis

1. Connecting the Performance Monitor

2. Commencing the Program

3. Calling Up and Cancelling Service Codes

4. Carrying Out a Test Drive

List of Service Codes

Description of Service Codes

Service Code RCU 015

Service Code RCU 017

Service Code RCU 019

Service Code RCU 025

Service Code RCU 027

Service Code RCU 029

Service Code RCU 031

Service Code RCU 032

Service Code RCU 034

Service Code RCU 040

Service Code RCU 041

Service Code RCU 042

Service Code RCU 043

Service Code RCU 044

Service Code RCU 045

Service Code RCU 047

Service Code RCU 048

Service Code RCU 051

Service Code RCU 052

Service Code RCU 053

Service Code RCU 055

Service Code RCU 056

Service Code RCU 057

Service Code RCU 058

Service Code RCU 064

Service Code RCU 065

Service Code RCU 067

5. Calling Up Diagnostic Addresses

List of Diagnostic Addresses

6. Performing Diagnosis

Address RCU 02

Test Procedure for Diagnostic Address RCU 03

Test Procedure for Diagnostic Address RCU 04

Test Procedure for Diagnostic Address RCU 05

Test Procedure for Diagnostic Address RCU 06

Test Procedure for Diagnostic Address RCU 07

Check Forward Solenoid Circuit

Check Reverse Solenoid Circuit

7. Calling Up RCU Calibration Addresses

8. Calling Up RCU Identification Addresses

Identifying the Electronic Control Unit (RCU)

List of Identification Addresses

Adjust for Correct Pressure and Temperature References

Shortened Diagnostic Procedure

PowrQuadPowrQuad is a trademark of Deere & Company. Transmission Test Record Sheet

PowrQuadPowrQuad is a trademark of Deere & Company. Transmission Test

Lube Relief Valve Stuck Open

Transmission Oil Pump Air Leak Check

Clutch and Brake Element Air Leak Check Using a Blow Gun

Transmission Control Valve Housing Gasket

Transmission Slippage

PTO Clutch Drag

Hydraulics Fluid Over-Heating

Other Malfunctions

Group 15: Adjustments

Adjusting the Reverse Drive Linkage

Adjusting Shift Linkage and Parking Lock - Reverser Control on Switch Console

Adjusting the Shift Linkage and Parking Lock - Reverser Control on Switch Console

Adjusting the Shift Linkage and Parking Lock - Reverser Control on Steering Column

Clutch Pedal Adjustment (Up to Tractor Serial No. 130420)

Clutch Pedal Adjustment (From Tractor Serial No. 130421)

Group 20: Theory of Operation - PowrQuad PowrQuad is a trademark of Deere & Company. Transmission

PowrQuadPowrQuad is a trademark of Deere & Company. Transmission (6800-6900)

PowrQuadPowrQuad is a trademark of Deere & Company. Transmission (6100-6600)

PowrQuadPowrQuad is a trademark of Deere & Company. Housings

Planetary Operation

Air Pump

Transmission Oil Pump

Clutch Oil Manifold

Reverse Brake Housing

Forward/Reverse Controls

Hydraulic Circuit Diagram - Mechanical Reverser Control (Older Tractor Series)

Component Layout - Mechanical Reverser Control (Older Tractor Series)

Hydraulic Circuit Diagram - Mechanical Reverser Control (Latest Tractor Series)

Hydraulic Circuit Diagram - Electrical Reverser Control

Filter Relief Valve

Pressure Regulating Valve

Forward-Reverse Modulation

EOV Circuit (With Mechanical Reverser Control)

Theory of Operation - Electrical Reverser Control

Reverse Drive Lever

Park Switch

Reverse Lockout Switch (If Equipped)

Valve Housing on PowrQuad PowrQuad is a trademark of Deere & Company. Module

Relays (RCU)

Reverser Control Unit (RCU)

Detail of Hydraulic Circuit Diagram (Simplified)

Speed Control Circuit

Speed Modulation

Clutch Cooling Oil Components

Oil Cooler System

Low-Pressure Clutch Cooling Valve

High-Pressure Clutch Cooling Valve

FWD-REV Cooling Control Valve

Clutch Pedal Control of Cooling Flow

Cooler and Lube Circuits

Module Lube

Module Lube Flow Paths

Clutch Cooling Circuit Operation

Oil Cooler

Test Ports and Sending Units - With Mechanical Reverser Control

Test Ports and Sending Units - With Electrical Reverser Control

Section 256: Drive Systems

Group 05: Operational Checks

Checking Rear PTO

Checking Front PTO

Group 10: System Diagnosis

Front Wheel Drive

Differential

Hydraulic Pump Drive

Final Drives

Rear PTO

Front PTO

Group 15: System Tests

Safety Precautions

Special or Essential Tools

Specifications

Heating Up Hydraulic Oil

Testing System Pressure of FWD Clutch

Testing System Pressure of Hydraulic Differential Lock

Testing Rear PTO

Testing Front PTO

Group 20A: Front Wheel Drive Clutch

Layout (6100-6600 Tractors up to Transmission Serial Number 114447)

Oil and Power Flows with Front Wheel Drive Engaged

Oil and Power Flows with Front Wheel Drive Disengaged

Layout (6100-6600 Tractors From Transmission Serial No. 114448)

Oil and Power Flows with Front Wheel Drive Engaged

Oil and Power Flows with Front Wheel Drive Disengaged

Layout (6800 and 6900 Tractors)

Oil and Power Flows with Front Wheel Drive Engaged

Oil and Power Flows with Front Wheel Drive Disengaged

Group 20B: Differential

Layout (6100-6600 Tractors)

Layout (6800 and 6900 Tractors)

Power Flow When Moving Straight Ahead

Power Flow When Cornering

Oil Flow with Differential Lock Engaged

Oil Flow with Differential Lock Disengaged

Group 20C: Final Drives

Description

Group 20D: Rear PTO Options

Description of Rear PTO Options

PTO Modulating Valve and Solenoid Valve

Theory of Operation - PTO Clutch and Brake

Lube Cut-Off Valve

PTO Power Flow

Group 20E: Front PTO

Front PTO - Sectional View

Operation of Front PTO

Section 260: Steering and Brakes

Group 05: Operational Checks

Checking the Steering

Checking the Brakes

Checking the Handbrake

Checking Air Brake System

Group 10: System Diagnosis

Hydrostatic Steering

Hydraulic Brakes (6100-6600)

Handbrake

Hydraulic Trailer Brake

Air Brake System

Group 15: System Tests

Special or Essential Tools

Specifications

Checking Steering System for External Leakage

Checking Steering System for Internal Leakage

Checking Steering Valve for Leakage

Testing Leaf Springs of Steering Valve

Steering Valve Hydraulic Connections

Testing and Adjusting Shock Valves

Checking Brake System

Checking Brakes for Air in the System

Checking Brakes for External Leakage

Checking Brake Valve for Internal Leakage

Adjusting Brake Pedals

Bleeding the Brakes

Checking Brake Piston Travel

Adjusting the Stop Light Switch

Checking Rear Brakes

Bleeding the Brakes

Checking Brakes

Adjusting the Stop Light Switch

Checking Handbrake

Adjusting the Handbrake

Checking Trailer Brake Valve

Checking Air Brake System (Visual Checks)

Checking Air Brake System for Leaks

Checking the “Supply” Coupling End

Checking Dual-Line Air Brake

Checking Single-Line Air Brake

Adjusting Handbrake (With Air Brake System)

Group 20: Theory of Operation (Complete System)

Description

Group 20A: Hydrostatic Steering

Description of Steering Valve

Operation of Metering Unit

Oil Flow in Steering System

Oil Flow - Neutral Position

Oil Flow - Emergency Steering

Various Types of Steering Valve

Group 20B: Brakes

Brake Valve Layout

Operation

Brake Valve - Sectional View

Hydraulic Circuit Diagram

Oil Flow During Brake Application

Brake Released

Brake Modulation

Brake Engaging

Manual Braking-Prefill

Manual Braking-Engaging

Rear Brake Operation

Group 20C: Handbrake

Description of Handbrake

Group 20D: Hydraulic Trailer Brakes

Oil Flow in Trailer Brake Valve

Check Valve

Group 20E: Air Brake System

Description of Air Brake System

Compressor

Pressure Control Valve

Compressed Air Tank

Surge Relief Valve

Trailer Control Valve

Coupling End

Section 270: Hydraulic System

Group 05: Operational Checks

Explanation of Operational Checks

Safety Precautions

Preliminary Checks

Checking Selective Control Valves

Operational Checks on Hitch Control

Checking the Rockshaft Valve and Stepper Motor Tractors with remote control

Group 10: System Diagnosis

Explanation of System Diagnosis

Safety Precautions

Special or Essential Tools

Connecting Testers to Test Ports

Heating Up Hydraulic Oil

Specifications

Hydraulic pressure test

Hydraulic Test Record Sheet

Group 11: System Diagnosis in LSC Hydraulic System (SE Tractors)

Explanation of System Diagnosis in LSC Hydraulic System

Safety Precautions

Special or Essential Tools

Connecting Testers to Test Ports

Heating Up Hydraulic Oil

Specifications

Hydraulic Pressure Test (LSC-System)

LSC Hydraulic System Response to a Missing Shuttle Valve

Measuring Flow Rate of Hydraulic Pump

Hydraulic Test Record Sheet

Group 15: System Tests

Explanation of the Hydraulic Tests

Safety Precautions

Special or Essential Tools

Heating Up Hydraulic Oil

Lube Oil Pressure of Charge Pump

Checking and Adjusting System Pressure of Hydraulic Pump

Adjusting the Load-Sensing Valve on the Hydraulic Pump

Checking Pilot (Load Sense) Pressure

Checking the Load-Sensing Valve

Pressure Difference (Dynamic)

Causes of Internal Leakage

Hydraulic System Response to a Missing Shuttle Valve

Diagnosing Faults at the Selective Control Valves

Check for Leaks at SCV Valve Spools

Diagnosing Faults at Independent Control Valves

Checking Pressure Relief Valve of Rockshaft

Adjusting the Power Beyond Application Valve

Hydraulic Pump

Charge Pump

Checking, Calibrating and Adjusting Rockshaft Control

List of Diagnostic and Calibration Procedures

Checking with the Performance Monitor

Checking on Tractors with Digital Display Not possible on 6100 to 6400 tractors from serial no. 126575 to 132999 and 6600 to 6900 tractors up to serial no. 132755

Abbreviations Used in the Display

Designation of Controls

Diagnostic Program

Service Code List

Diagnostic Address List for HCU AL78061

Test Procedure for Diagnostic Address HCU 03 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 06 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 07 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 08 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 09 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 10 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 11 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 12 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 13 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 14 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 15 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 16 (HCU AL78061)

Test Procedure for Diagnostic Address HCU 19 (HCU AL78061)

Diagnostic Address List for HCU AL8198, AL110388 and AL112325

Test Procedure for Diagnostic Address HCU 03 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 04 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 05 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 06 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 07 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 08 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 09 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 10 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 11 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 12 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 13 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 14 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 16 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 17 (HCU AL81198; AL110388; AL112325 or AL116824)

Test Procedure for Diagnostic Address HCU 18 (HCU AL81198; AL110388; AL112325 or AL116824)

Identification of HCU

Calibration Procedure (with HCU AL78061)

Brief instructions for calibration (HCU AL78061)

Calibration Procedure (with HCU AL81198, AL110388 and AL112325)

Brief instructions for calibration (HCU AL81198, AL110388 and AL112325)

Checking for Leaks at the Rockshaft Valve

Checking the Stepper Motor and Rockshaft Valve

Centering the Stepper Motor

Checking Depth to Which Raising and Lowering Valves are Screwed In

Checking and Adjusting Position Sensor - 6100 - 6600

Checking Position Sensor - 6800 and 6900

Checking and Adjusting Draft Sensor - 6800 and 6900

Checking and Adjusting Draft Sensor - 6100 - 6600

Test Procedure with Service Code HCU 050

Group 20: Hydraulic System

Hydraulic Symbols (ISO 1219)

Hydraulics - A Description

Hydraulic System - Theory of Operation

Symbolic Representation of Hydraulic System

Schematic View of Hydraulic System

Three-Dimensional View of Hydraulic System

Group 20A: Charge Pump

Charge Pump - Description and Theory of Operation

Group 20B: Hydraulic Pumps

Description of Hydraulic Pump

Location of Oil Lines

Pump Operation

Operating Modes

Group 20C: Hydraulic System Valves

Hydraulic Oil Filter with Filter Relief Valve

Oil Cooler

Primary Filter

Shuttle Valves - Description and Theory of Operation

Main Block with Inlet Priority Valve

Priority Inlet Valve - Theory of Operation

Power Beyond Valve

Group 20D: Rockshaft and Lift Cylinders

Description of Rockshaft

Rockshaft Control - Theory of Operation

Rockshaft Valve - Theory of Operation

Position Sensor

Draft Sensor

Operation Unit

Electronic Hitch Control Unit (HCU) - Theory of Operation

Direct Control of Rockshaft

Group 20E: Selective Control Valves and Couplers

Selective Control Valves

100 Series Selective Control Valve-Neutral Position

100 Series SCV - Extend

100 Series SCV - Retract

100 Series SCV - Float Position

200 Series Selective Control Valve-Neutral

200 Series Selective Control Valve-Extend

200 Series Selective Control Valve-Retract

200 Series Selective Control Valve-Float

300 Series Selective Control Valve Operation- Neutral

300 Series Selective Control Valve - Extend

300 Series Selective Control Valve-Retract

300 Series Selective Control Valve-Float

Quick Couplers

Group 20F: Independent Control Valve

Description

Independent Control Valve - Sectional View

Oil Flow Through the Independent Control Valve

Group 21: LSC Hydraulic System and Components (SE Tractors)

Description of the Hydraulics

LSC Hydraulic Circuit - Theory of Operation

Description of Hydraulic Pump Constant flow pump

Layout of Oil Lines

Hydraulic Pump - Theory of Operation

Hydraulic Oil Filter with Filter By-Pass Valve

Oil Cooler

Primary Filter

Lube Priority Valve

Shuttle Valves in LSC Hydraulic System - Theory of Operation and Layout

Main Block with Inlet Priority Valve and By-Pass Valve

Inlet Priority Valve and By-Pass Valve - Theory of Operation

Rockshaft and Hitch Control

Selective Control Valves of Series 101, 201 and 301

Section 290: Operator's Cab

Group 05: Operational Checks

Test Sequence

8 Results of Functional Tests

Group 10A: Air Conditioning System Diagnosis

Safety at Work

Handling Refrigerant

Safety Equipment

In an Emergency

Storage of Refrigerant Containers

R134a Refrigerant

Important

Special or Essential Tools

Special Tools

Specifications

Troubleshooting

Explanation of Checks

Pressure Deviations

Group 10B: Ventilation and Heater - System Diagnosis

System Diagnosis

Group 10C: Operator's Seat - System Diagnosis

Diagnosis, MSG95 Operator's Seat

Group 20A: Theory of Operation - Air Conditioning System

Principle of Heat Exchange

R134a Refrigerant

Layout of Refrigerant Circuit (6100 to 6900 Tractors)

Layout of Refrigerant Circuit (SE Tractors 6100 to 6400)

Description of How Refrigerant Circuit Functions

Compressor

Condenser

Receiver-Drier

Expansion Valve

Thermostat Switch

Evaporator

High/Low Pressure Switch

Temperature Selection Knob and Compressor Switch

Knobs for Heating and Cooling

Group 20B: Theory of Operation - Ventilation and Heater

Heater and Ventilation on 6100 to 6900 Tractors

Heater and Ventilation on SE Tractors 6100 to 6400

Section 299: Special Tools (Dealer-Fabricated)

Group 05: Special Tools (Dealer-Fabricated)

Holding Tool

Adjusting Tool

DFRW2-Needle Valve Test Hose Assembly

DFRW85-Reverse Brake Test Plate

John Deere Models 6100, 6100SE, 6200, 6200SE, 6300, 6300SE, 6400, 6400SE, 6506, 6800, 6900, 6600 Tractors Diagnostics Technical Manual (TM4487)


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