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