John Deere Tractors 7210, 7410, 7510 Diagnosis and Tests Service Technical Manual (TM1654)
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 2WD or MFWD Tractors 7210, 7410, 7510, with all the shop information to maintain, diagnose, and service like professional mechanics.
John Deere 7210, 7410, 7510 Tractors workshop Diagnostics & 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.
tm1654 - 7210, 7410 and 7510 Tractors Technical Manual (Operation & Tests).pdf
tm1654 - 7210, 7410 and 7510 Tractors Technical Manual (Operation & Tests).epub
Total Pages: 1,614 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
Safety Information
Safety
General Information
Operational Checkout
General Reference Information
Test Equipment Calibration
Diagnostic Trouble Codes
CCU Code Diagnostics
HCU Code Diagnostics
LHP Code Diagnostics
RCU Code Diagnostics
Observable Symptoms
Brakes
Operator Station
Hydraulics
Engine
General Information
Fuel, Air Intake and Engine Cooling Systems
Fuel/Air/Cooling System Theory of Operation
Electrical System
Diagnostic Codes and Addresses
Electrical System Information
System Diagrams
System Diagram References
System Functional Schematic (CAB)
System Functional Schematic (OOS)
Wiring Harnesses
Sub-System Diagnostics
Starting, Power and Charging Circuit Diagnostics
Wiper and Seat Circuit Diagnosis
Ground Fault Circuit Interrupter Diagnosis
Air Quality System (AQS) Diagnosis
Radio, Horn, Dome Lamp and Multi-Function Control Circuit
Lighting Circuit Diagnosis
Accessory Connector and Lighter Circuit Diagnosis
Hitch Control Diagnosis
CCU Diagnosis
Differential Lock Circuit
MFWD Circuit
Rear PTO Circuit
Wheel and Radar Speed Circuit
Engine Speed Sensor Circuit
Fuel Level Sender Circuit
System Voltage Circuit
Engine Coolant Temperature Sensor
Hydraulic Oil Temperature Circuit
Engine Oil Pressure Sensor Circuit
Transmission Oil Pressure Circuit
Air Filter Restriction Sensor Circuit
Transmission Oil Filter Restriction Sensor Circuit
Hydraulic Oil Filter Restriction Sensor Circuit
Sensor Excitation Power Circuit
Engine Hours and Engine Starts
Fuel Timing Advance Circuit
Display Modules
PowrQuad Control Circuit
ROW-TRAK Control Circuit
CCD Communication
Calibration
CCU Calibration
Performance Monitor Calibration and Diagnostic Tool
Battery References
Transmissions
Operational Checks
Transmission And Reverser Diagnosis
PowrQuad PowrQuad is a trademark of Deere & Company.
Diagnosis
Reverser Control Unit (RCU)
SyncroPlus SyncroPlus is a trademark of Deere & Company.
Diagnosis
Theory Of Operation
PowrQuad PowrQuad is a trademark of Deere & Company.
Theory of Operation
Reverser Control Unit (RCU) Theory of Operation
SyncroPlus SyncroPlus is a trademark of Deere & Company.
Theory of Operation
Drive Systems
Operational Checks
Drive System Diagnosis
Adjustments
Theory of Operation
Steering and Brakes
Steering and Brakes Theory of Operation
Hydraulic System
Operational Checks
Hydraulic System Diagnosis
Tools and Safety
Diagnostic Guidelines
Preliminary Checks
Hydraulic Diagnosis
Additional Troubleshooting Information
Hitch Electrical Diagnosis
HCU Additional Tests
ROW-TRAKROW-TRAK is a trademark of Deere & Company
Tests
Calibrations and Adjustments
Hitch Calibrations and Adjustments
ROW-TRAK™ Calibrations and Adjustments
Theory of Operation
Hydraulic System Diagrams
Hydraulic Control Circuit
Steering Circuit
Selective Control Valves (SCV)
Hitch
Electro-Hydraulic Depth Control
Headland Management Systems (HMS)
Hitch Dampening
Operator Station
Operational Checks
Air Conditioning System Diagnosis
Air Conditioning Theory of Operation
Dealer Fabricated Tools
tm1654 - 7210, 7410 and 7510 Tractors
Table of Contents
Foreword
Section 205: Safety Information
Group 05: Safety
Recognize Safety Information
Prevent Machine Runaway
Handle Fluids Safely—Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Handle Starting Fluid Safely
Prevent Acid Burns
Service Cooling System Safely
Handle Chemical Products Safely
Avoid High-Pressure Fluids
Park Machine Safely
Support Machine Properly
Wear Protective Clothing
Service Machines Safely
Work In Ventilated Area
Work in Clean Area
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Keep ROPS Installed Properly
Service Tires Safely
Avoid Harmful Asbestos Dust
Protect Against High Pressure Spray
Practice Safe Maintenance
Use Proper Tools
Dispose of Waste Properly
Live With Safety
Section 210: General Information
Group 05: Operational Checkout
Before You Start
Lighting Circuit Operation
Transmission Checks
Hydraulic System Checks
Hitch System Checks
Air Conditioning System Checks
Group 10: General Reference Information
Specifications
JT03412—Supplemental Pressure Test Kit
JT03413—Supplemental Flow Test Kit
JT03419—ORFS Fitting Kit
JT05406—Master Hydraulic Flow Test Fitting Kit
JT05469—Flowmeter Kit
JT05470—Agricultural Universal Pressure Test Kit
Required Test Fittings
List of Diagnostic Adapters— ORFS
Unified Inch Bolt and Cap Screw Torque Values
Metric Bolt and Screw Torque Values
JIC Hydraulic Symbols
Glossary of Terms
Group 15: Test Equipment Calibration
JDG282 Temperature Gauge Check
Calibration Check of Flow Meters
Method No. 1: Flow Meter (Main Pump Quick Check from SCV)
Method No. 2: Volume Check From Flow Meter
Pressure Gauge Calibration Checker
Section 211: Diagnostic Trouble Codes
Group CCU: CCU Code Diagnostics
CCU 001 - Fuel Level Sender Circuit
CCU 010 - Engine Coolant Temperature High
CCU 011 - Engine Coolant Temperature Very High
CCU 012 - Coolant Temperature Sensor / Circuit Open
CCU 013 - Coolant Temperature Sensor / Circuit Shorted
CCU 015 - Hydraulic Oil Temperature High
CCU 016 - Hydraulic Oil Temperature Very High
CCU 017 - Hydraulic Oil Temperature Sensor Circuit Open
CCU 018 - Hydraulic Oil Temperature Sensor Circuit Shorted
CCU 021 - Engine Oil Pressure Low (Pressure Switch)
CCU 026 - Transmission Oil Pressure Low
CCU 030 - Engine Air Filter Restricted
CCU 035 - Transmission Oil Filter Restricted
CCU 045 - System Voltage Too Low (Idle-to-1500 rpm)
CCU 046 - System Voltage Too Low (Above 1500 rpm)
CCU 047 - System Voltage Too High (Engine running)
CCU 050 - Hydraulic Oil Filter Restricted
CCU 067 - Power to Sensor Circuits has Failed
CCU 072 - Rear PTO Control Switch Failed
CCU 073 - Rear PTO Output Driver Circuit Failed (Driver Commanded ON)
CCU 075 - Rear PTO Speed Not Present After PTO ON
CCU 078 - Front PTO Switch OFF But Solenoid ON
CCU 079 - Front PTO Switch ON But Solenoid OFF
CCU 080 - Differential Lock Switch ON at Start-Up
CCU 081 - Differential Lock Circuit Failed During Operation
CCU 085 - MFWD Control Switch Error
CCU 086 - MFWD Circuit Fault With Switch OFF
CCU 093 - Clutch Cooling Driver Fault
CCU 094 - Fuel Advance Output Driver Circuit Failure
CCU 101 - Clutch Cooling Not Allowed On This Controller
CCU 102 - HMS Not Allowed On This Controller
CCU 103 - Hitch Is Preventing HMS From Being Enabled Because Towed Implement Mode Is Active
CCU 104 - Remote PTO Not Allowed On This Controller
CCU 105 - Self Cancelling Turn signals Not Allowed
CCU 106 - Stuck HMS Switch At Power Up
CCU 125 - Both Turn Signals Are Active On This Controller
Group HCU: HCU Code Diagnostics
HCU 022 - Battery Voltage Out of Range
HCU 027 - Calibration Not Successful
HCU 028 - Calibration Memory Failure
HCU 029 - Calibration Selected For Less Than 30 Seconds (Also Recalls “EOC” Message)
HCU 041 - Pressure Valve Solenoid Circuit
HCU 042 - Return Valve Solenoid Circuit
HCU 043 - Pressure Valve Solenoid Circuit
HCU 044 - Return Valve Solenoid Circuit
HCU 045 - Sensor Supply Voltage Out of Range
HCU 048 - Auxiliary Input Circuit Fault
HCU 049 - Raise/Lower Rocker Switch Circuit
HCU 050 - HCU Failure
HCU 052 - Draft Sensor Circuit
HCU 053 - Load/Depth Control Potentiometer Circuit
HCU 054 - Hitch Control Lever Potentiometer Circuit
HCU 055 - Hitch Position Feedback Sensor Circuit
HCU 056 - Raise Limit Control Potentiometer Circuit
HCU 057 - Rate-of-Drop Control Potentiometer Circuit
HCU 058 - External Raise/Lower Switch Circuit
HCU 060 - CCD Communication Line Failure
HCU 090 - Hitch Raise Disabled Due to Low Oil Level
Group LHP: LHP Code Diagnostics
LHP 022 - Battery Voltage Out of Range
LHP 027 - Calibration Not Successful
LHP 028 - Calibration Memory Failure or Never Calibrated
LHP 029 - Calibration Selected For Less Than 30 Seconds
LHP 045 - Sensor Supply Voltage Out of Range
LHP 050 - RowTrak Control Unit Failure
LHP 054 - Position Control Circuit
LHP 055 - Pivot Angle Circuit
LHP 056 - Response Rate Control Circuit
LHP 057 - Row Sensor Circuit
LHP 058 - Row Sensor Raise Circuit
LHP 059 - Row Sensor Lower Circuit
LHP 060 - CCD Communication Line Failure
LHP 141 - Extend Valve Solenoid Circuit
LHP 142 - Retract Valve Solenoid Circuit
LHP 143 - Extend Valve Solenoid Circuit
LHP 144 - Retract Valve Solenoid Circuit
Group RCU: RCU Code Diagnostics
RCU 015 - Detent Status Fault Detected
RCU 016 - Park Detected With Wheel Speed and Valid Direction
RCU 017 - Serial EEPROM Failure In Non-Critical Memory
RCU 019 - Reverse Lockout Input And Park Input
RCU 025 - Detent Solenoid Circuit Fault
RCU 027 - Enable Pressure Not Detected
RCU 029 - Enable Valve Stuck Open or Enable Pressure Switch Failed Open
RCU 031 - Enable Solenoid Valve Or FWD Or Rev Relay Circuit Fault
RCU 032 - In Park Without Valid Neutral
RCU 034 - Reverser Lever In Direction Too Long While In Park (Diagnostic Mode Only)
RCU 035 - Missing Neutral Message From CCU. Can Not Detect Proper State Of Neutral Switch
RCU 040 - Forward and Reverse Switches Are Open, But NN Switch Is Closed Or Transmission Enable Is High
RCU 041 - Forward and Reverse Switches Are Closed At The Same Time
RCU 042 - Forward Switch Is Closed, But NN Switch Is Open
RCU 043 - Reverse Switch Is Closed, But NN Switch Is Open
RCU 044 - Not-Neutral Relay Failed Open
RCU 045 - Direction Commanded With Enable Valve Off
RCU 047 - Valid Neutral Not Detected After Power Up
RCU 048 - System Voltage Below 8 Volts
RCU 050 - Shuttle Shift Detected Without Neutral Indication
RCU 051 - Direction Is Commanded, But FNR Valve Is Not In Neutral
RCU 052 - High Range Detected While In Reverse
RCU 053 - Reverser Lever Is In Neutral But FNR Valve Is Not In Neutral
RCU 054 - Wheel Speed Detected In Diagnostic Mode
RCU 055 - Enable Valve Stuck Closed (No Flow)
RCU 056 - Powered Up With Reverser Lever In Direction
RCU 057 - Transmission Enable Signal Low During Operation
RCU 058 - Start in Gear Circuit Failure
RCU 064 - Power Up-Recoverable Fault In Critical Memory
RCU 065 - Power Up-Recoverable Fault In Critical Memory. Controller Will Attempt Correction
RCU 067 - Neutral Switch Indicates Not Neutral Without Cause
Section 212: Observable Symptoms
Group 10: Brakes
Brakes Function Erratically
Group 30: Operator Station
Poor AM & FM Radio Reception or Electrical Noise
Group 70: Hydraulics
Grapple Valve Holds System Pressure Above Standby for Several Seconds
Section 220: Engine
Group 05: General Information
Engine Operation and Tests
Specifications
Fuel and Cooling System
Section 230: Fuel, Air Intake and Engine Cooling Systems
Group 25: Fuel/Air/Cooling System Theory of Operation
Fuel System
Engine Cooling System
Air Intake System
Section 240: Electrical System
Group 04: Diagnostic Codes and Addresses
Enter/Exit “Diagnostic” Mode
Clear Diagnostic Codes
Diagnostic Codes
CCU Diagnostic Code Numbers
HCU Diagnostic Code Numbers
LHP Diagnostic Code Numbers
RCU Diagnostic Code Numbers
CCU Addresses
CCU Addresses 13—21
CCU Address Numbers 22-37
CCU Address Numbers 38 - 99
HCU Addresses
LHP Addresses
PrF Addresses
RCU Addresses
Group 05: Electrical System Information
Service Equipment and Tools
Other Material
Specifications
Using Electrical Section
Wiring Diagram and Schematic Information
Electrical Schematic Symbols
Reading a System Functional Schematic
Reading a Wiring Diagram
Reading a Diagnostic Schematic
Visually Inspect Electrical System
Seven Step Electrical Test Procedure With probe light or multimeter.
Electronic Circuit
Understanding Electrical Vs Electronic Circuit Voltage Test Readings
Voltage Test
Electrical Circuit
Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Locations of Circuit Malfunctions
Troubleshooting High Resistance or Open Circuits
Troubleshooting a Grounded Circuit
Troubleshooting Shorted Circuits
Short Circuit
Intermittent Electronic Problems
Repairing Shorted Circuits
Group 10: System Diagrams
System Diagrams
Group 10A: System Diagram References
Ground Point Locations
Ground Stud
Wiper Ground
Component Identification Table
Component Identification Legend
Component Identification Legend
Component Identification Legend
Component Identification Legend
Component Identification Legend
Component Identification Legend
Group 10B: System Functional Schematic (CAB)
Legend For System Functional Schematics (Cab)
System Functional Schematic (Cab) SE1, SE2, SE3
System Functional Schematic (Cab) SE4, SE5
System Functional Schematic (Cab) SE6, SE7
System Functional Schematic (Cab) SE8
System Functional Schematic (Cab) SE9, SE10
System Functional Schematic (Cab) SE11
System Functional Schematic (Cab) SE13
Group 10C: System Functional Schematic (OOS)
Legend For System Functional Schematics (OOS)
System Functional Schematic (OOS) SE1, SE2, SE3, SE4
System Functional Schematic (OOS) SE5, SE6
System Functional Schematic (OOS) SE7, SE8
Group 10D: Wiring Harnesses
Fuse Panel (F1-F12)
Fuse Panel (F13-F20)
Fuse Panel (F21-F35)
Load Center Relays (K1-K5)
Load Center Relays (K6-K9)
Load Center Relays (K10-K18)
Diode Blocks (W2, W28) (V2—V3)
Cab Harness (W2)
Cab Harness
Cab Harness (W2)
Cab Harness (W2)
Open Operator Station Harness (W28)
Open Operators Station Harness (W28)
Engine Harness (W6)
Transmission Sensor Harness (W8)— PowrQuad PowrQuad is a trademark of Deere & Company.
Transmission Sensor Harness (W22)— SyncroPlus SyncroPlus is a trademark of Deere & Company.
Multi-Function Controls Harnesses (W15 & W16)
Roof Lights and Hitch Controls Harnesses (W11 & W14)
Air Suspension Seat and Mechanical Suspension Seat Harnesses (W25 & W26)
Front Floods and Convenience Outlet Harnesses (W13 & W17)
Cab Harness Routing and Component Location
Cab Harness Routing and Component Location
Open Operator Station Harness Routing/Component Location
Open operator Station Harness Routing and Component Locations
Transmission Sensor Harness— SyncroPlus SyncroPlus is a trademark of Deere & Company.
Harness Routing and Component Identification— PowrQuad PowrQuad is a trademark of Deere & Company. Transmission
Engine Harness Routing and Component Location
ROW-TRAK ROW-TRAK is a trademark of Deere & Company. Harness Routing and Component Identification
Group 15: Sub-System Diagnostics
Reference List
Group 15A: Starting, Power and Charging Circuit Diagnostics
Starting Circuit (SE1)
Starting Circuit (SE1)
Starting Circuit Operational Information
Starting Circuit Theory of Operation
Voltage And Component Tests
Voltage and Component Tests—Key Switch
Power Supply Circuit (SE1)
Power Circuit Operational Information
Power Circuit Theory of Operation
Charging Circuit (SE1)
Charging System Operational Information
Charging Circuit Theory of Operation
Voltage And Component Tests—Charging Circuit
Group 15B: Wiper and Seat Circuit Diagnosis
Wiper Circuit (SE2)
Wiper Circuit Operational Information
Wiper Circuit Theory of Operation
Voltage And Component Test—Wiper Circuit
CCU Diagnostic Mode
Seat Circuit (SE2)
Seat Circuit Operational Information
Seat Circuit Theory of Operation
Voltage And Component Test—Seat Circuit
CCU Diagnostic Mode
Group 15C: Ground Fault Circuit Interrupter Diagnosis
Ground Fault Circuit Interrupter/Heaters
Ground Fault Circuit Operational Information
G.F.C.I. Circuit Theory of Operation
Voltage And Component Tests—Ground Fault Circuit Interrupters
Group 15D: Air Quality System (AQS) Diagnosis
AQS Circuit
AQS Circuit
Voltage and Component Test—AQS Circuit
Group 15E: Radio, Horn, Dome Lamp and Multi-Function Control Circuit
Radio, Dome Lamp and Multi-Function Control Circuit
Radio, Dome Lamp and Multi-Function Control Circuit
Horn Circuit Operational Information
Horn Circuit Theory of Operation
Voltage and Component Test—Horn Circuit
Dome Lamp Circuit Operational Information
Dome Lamp Circuit Theory of Operation
Voltage and Component Test—Dome Lamp
Radio and Clock Circuit Operational Information
Radio and Clock Circuit Theory of Operation
Voltage And Component Test—Radio and Clock Circuit
Group 15F: Lighting Circuit Diagnosis
Lighting Circuit Schematic (SE5)
Lighting Circuit Diagnostic Schematic (SE5)
Lighting Circuit Operational Information
Lighting Circuit Operation
Turn Signal and Warning Lights Circuit Theory of Operation
Voltage and Component Tests
CCU Diagnostic Mode (Turn Signal and Warning Lamps)
Group 15G: Accessory Connector and Lighter Circuit Diagnosis
Accessory Connector Circuit—SE6
Accessory Connector Circuit
Lighter Circuit Operational Information
Lighter Circuit Theory of Operation
Voltage And Component Tests—Lighter Circuit
Group 15H: Hitch Control Diagnosis
Hitch Control Circuit Schematic (SE7)
Hitch Control Circuit Diagnostic Schematic (SE7)
Hitch System Diagnosis
Group 15J: CCU Diagnosis
CCU Input—Output Signals
CCU Terminal Numbers
CCU Circuit Checks
CCU Diagnostic Codes
Group 15K: Differential Lock Circuit
Differential Lock Circuit (SE8)
Differential Lock Circuit Theory of Operation
Voltage and Component Tests
CCU Diagnostic Mode (Differential Lock)
Group 15L: MFWD Circuit
MFWD Circuit (SE8)
MFWD Circuit (SE8)
MFWD Circuit Theory of Operation
Voltage and Component Tests—MFWD Circuit
CCU Diagnostic Mode (MFWD and Brake Switches)
Group 15M: Rear PTO Circuit
Rear PTO Circuit (SE8)
Rear PTO Circuit Theory of Operation
Voltage and Component Tests
CCU Diagnostic Mode (PTO and Seat Switches)
Group 15N: Wheel and Radar Speed Circuit
Wheel Speed Circuit (SE8)
Radar Speed Circuit (SE8)
Wheel and Radar Speed—Theory of Operation
Voltage and Component Test—Wheel Speed and Radar Circuit
CCU Diagnostic Mode (Wheel and Radar Speed Circuit)
Group 15P: Engine Speed Sensor Circuit
Engine Speed Sensor Circuit (SE8)
Engine Speed Sensor Circuit—Theory of Operation
Voltage and Component Test—Engine Speed Sensor Circuit
CCU Diagnostic Mode (Engine Speed Sensor)
Group 15Q: Fuel Level Sender Circuit
Fuel Level Sender Circuit (SE8)
Fuel Level Sender Circuit—Theory of Operation
Voltage And Component Tests—Fuel Level Sender Circuit
CCU Diagnostic Mode (Fuel Level Sender)
Group 15R: System Voltage Circuit
System Voltage Circuit (SE8)
System Voltage— Theory of Operation
Group 15S: Engine Coolant Temperature Sensor
Engine Coolant Temperature Circuit (SE8)
Engine Coolant Temperature Circuit—Theory of Operation
Voltage and Components Tests—Engine Coolant Temperature Circuit
CCU Diagnostic Mode (Engine Coolant Temperature)
Group 15T: Hydraulic Oil Temperature Circuit
Hydraulic Oil Temperature Circuit (SE8)
Hydraulic Oil Temperature Circuit—Theory of Operation
Voltage And component Tests—Hydraulic Oil Temperature Circuit
CCU Diagnostic Mode (Hydraulic Oil Temperature)
Group 15U: Engine Oil Pressure Sensor Circuit
Engine Oil Pressure Sensor Circuit (SE8)
Engine Oil Pressure Sensor Circuit—Theory of Operation
Voltage and Component Tests—Engine Oil Pressure Sensor Circuit
CCU Diagnostic Mode (Engine Oil Pressure Circuit)
Group 15V: Transmission Oil Pressure Circuit
Transmission Oil Pressure Circuit (SE8)
Transmission Oil Pressure Circuit—Theory of Operation
Voltage and Component Tests—Transmission Oil Pressure
CCU Diagnostic Mode (Transmission Oil Pressure)
Group 15W: Air Filter Restriction Sensor Circuit
Air Filter Restriction Sensor Circuit (SE8)
Air Filter Restriction Sensor Circuit—Theory of Operation
Voltage and Component Tests—Air Filter Restriction Sensor Circuit
CCU Diagnostic Mode (Air Filter Restriction Sensor)
Group 15X: Transmission Oil Filter Restriction Sensor Circuit
Transmission Oil Filter Restriction Sensor Circuit (SE8)
Transmission Oil Filter Restriction Sensor Circuit
Voltage and Component Tests—Transmission Oil Filter restriction Sensor
CCU Diagnostic Mode (Transmission Oil Filter Restriction Sensor)
Group 15Y: Hydraulic Oil Filter Restriction Sensor Circuit
Hydraulic Oil Filter Restriction Sensor Circuit (SE8)
Hydraulic Oil Filter Restriction Sensor Circuit—Theory of Operation
Voltage and Component Checks—Hydraulic Oil Filter Restriction Circuit
CCU Diagnostic Mode
Group 15Z: Sensor Excitation Power Circuit
Sensor Excitation Power Circuit (SE8)
Sensor Power Circuit (SE9)
Sensor Excitation Power Circuit—Theory of Operation
CCU Diagnostic Mode
Group 15AA: Engine Hours and Engine Starts
Engine Hours and Engine Starts (SE8)
Engine Hours and Engine Starts—Theory of Operation
Group 15AB: Fuel Timing Advance Circuit
Fuel Timing Advance Circuit
Fuel Timing Advance Circuit—Theory of Operation
Fuel Timing Advance Circuit—Diagnosis
Group 15AC: Display Modules
Display Modules Circuit Diagnostic Schematic (SE9)
Display modules Circuit Schematic (SE 9)
Tachometer Operational Information
Tachometer Input—Output Signals
Voltage and Component Tests—Tachometer
Performance Monitor Operational Information
Performance Monitor Input—Output Signals
Performance Monitor Features
Performance Monitor Normal Operating Mode
Implement Button
Percent Slip Button
Distance Button
PTO RPM Button
Dim/Cancel Button
Zero Button
Set Button
Performance Monitor Set Mode
Area Monitor
Implement Selector
Percent Slip
Distance
Width
Service
Backlighting
Group 15AD: PowrQuad Control Circuit
PQT Reverser Control Circuit Schematic
PQT Reverser Control Circuit Diagnostic Schematic (SE10)
PQT Reverser Control Circuit Diagnosis
Group 15AE: ROW-TRAK Control Circuit
ROW-TRAK ROW-TRAK is a trademark of Deere & Company. Control Circuit Schematic (SE11)
ROW-TRAK ROW-TRAK is a trademark of Deere & Company. Control Circuit Diagnostic Schematic
ROW-TRAK ROW-TRAK is a trademark of Deere & Company. Control Circuit Diagnosis
Group 15AF: CCD Communication
CCD Communication Line—Theory of Operation Chrysler Collision Detection (CCD) is a method of handling multiple bits of information being broadcast on the same communication line.
Control Unit Locations
Control Unit Explanations
CCD Network Diagnosis
CCD Diagnosis Sheet
CCD DIAGNOSIS SHEET
Voltage and Component Test—CCD
Group 20: Calibration
Calibration Groups
Group 20A: CCU Calibration
CCU Operational Information
Accessing Tachometer Modes
CCU Modes/Addresses Navigational Flow Chart
CCU Calibration
Address Numbers "96" Through "99"
CCU "Read Only" Addresses
Circuit Address Numbers
Address Numbers “20” Through “99”
Group 20B: Performance Monitor Calibration and Diagnostic Tool
Performance Monitor—Calibration and Diagnostic Tool
Using Performance Monitor as Remote Diagnostic/Calibration Device
Calibrating Radar and Wheel Speed Sensors
HCU Calibration Information
Group 20C: Battery References
Battery Operation
Battery Specifications
Battery Electrolyte Level and Terminals
Fill Tube Application
Procedure For Testing Batteries
Diagnose Battery Malfunctions
Using A Booster Battery Or Battery Charger
Section 250: Transmissions
Group 05: Operational Checks
Before You Start
Group 10: Transmission And Reverser Diagnosis
Groups in Transmission And Reverser Diagnosis
Group 10A: PowrQuad PowrQuad is a trademark of Deere & Company. Diagnosis
Use Step-By-Step Hydraulic Diagnostic Charts
Essential or Recommended Tools
Service Equipment and Tools
Transmission Cooler Flow Check
System and Lube Pressure Check
MFWD Clutch Element Leak Check
Other Material
Avoid High-Pressure Fluids
Adjust for Correct Pressure and Temperature References
Observe Safety Precautions
Shortened Diagnostic Procedure
Major System Checks
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission Record Sheet
Additional Troubleshooting
Group 10B: Reverser Control Unit (RCU)
RCU Functional Schematic
RCU Component Locations
RCU Inputs and Outputs
RCU Outputs
Overview
Come Home Feature and Operation
Normal Characteristics for Early Tractors
Quick Check
How to Display and Clear Stored Diagnostic Codes (Address 1)
RCU Diagnostic Codes
RCU Address Summary
Accessing Tachometer Addresses
Operating Diagnostic Beep Addresses 02—07
RCU Address List
RCU Diagnostics — Addresses
Address 04
Address 05
Address 06
Address 07
Neutral Start Switch Test Procedure
Group 10C: SyncroPlus SyncroPlus is a trademark of Deere & Company. Diagnosis
Use Step-By-Step Hydraulic Diagnostic Charts
Essential or Recommended Tools
Recommended Tools
Service Equipment and Tools
Avoid High-Pressure Fluids
Adjust for Correct Pressure and Temperature References
Observe Safety Precautions
Shortened Diagnostic Procedure
Major System Checks
SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission Test Record Sheet
SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission Diagnosis
Typical SyncroPlus SyncroPlus is a trademark of Deere & Company. Pressure/Flow Chart
Connecting Test Kit to Transmission Test Ports
System Pressure Test
Adjusting System Pressure
Lube Oil Pressure Test
Clutch Pressure Test
Engagement Override Valve Test
Clutch Cooling Oil Pressure Test
Clutch Cooling System Test
Group 25: Theory Of Operation
Groups in Theory Of Operation
Group 25A: PowrQuad PowrQuad is a trademark of Deere & Company. Theory of Operation
Guide to PowrQuad PowrQuad is a trademark of Deere & Company. Transmission Theory
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission Schematic—W/O Reverser
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission Schematic—W/Reverser
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission W/O Reverser (Component Identification)
Planetary Operation
Test Port and Sensor Identification
Air Pump
Transmission Oil Pump
Clutch Oil Manifold
Reverse Brake Housing
Reservoir
Filter Relief Valve
Pressure Regulating Valve
Speed Control Circuit
EOV Circuit
Speed Modulator
Speed Modulator Information
Shifting From One Speed to Another Using the Speed Control Lever
Information
Speed Lever Moved from Neutral to Second Forward or Second Reverse
Speed Modulation Part I
FWD-REV Modulation
Engine is Running and Transmission is in Park
Shift Lever Moved From Neutral to Forward or Reverse
Shift Lever Moved from Forward or Reverse to Neutral
Shift Lever
Electronic Shifting with Reverser
Traction Element Cooling Oil Components
Oil Cooler System
Creeper Transmission Operation
Range Box
Group 25B: Reverser Control Unit (RCU) Theory of Operation
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission W/Reverser (Component Identification)
Neutral and Engine Off, Key at Start Position
Neutral and Engine Running, Key at Run Position
Engine Running and Key at Run, F-N-R Lever at Forward
Engine Running and Key at Run, F-N-R Lever Moved From Forward to Neutral
Engine Running and Key at Run, F-N-R Lever Moved Across Neutral
Group 25C: SyncroPlus SyncroPlus is a trademark of Deere & Company. Theory of Operation
Transmission Design
SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission With Clutch (Neutral With Clutch Engaged)
SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission (Components)
SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission Schematic (Component Identification)
Shift Operation
Synchronization
Clutch
Operation of Clutch
Actuating the Clutch
Engine On, Clutch Pedal Not Depressed
Clutch Pedal Depressed
Clutch Pedal in Process of Being Released
Clutch Cooling
Clutch Cooling During Engagement
Clutch Cooling During Engagement
Clutch Partially Engaged
Clutch Engaged
Clutch Partially Disengaged
Clutch Disengaged
Clutch Only Briefly Disengaged
Centrifugal Force Valve and Air Bleed Valve
Design
Power Flow In 1st Gear
Power Flow In 2nd Gear
Power Flow In 3rd Gear
Power Flow In Reverse Gear
Neutral Start Switch
Section 256: Drive Systems
Group 05: Operational Checks
Checks
Group 10: Drive System Diagnosis
Essential or Recommended Tools
Avoid High-Pressure Fluids
Rear Differential Diagnosis
Rear PTO Diagnosis
MFWD Diagnosis
Using MFWD Step by Step Test Procedure
Observe Service Precaution
MFWD Electrical Schematic
MFWD Diagnostic Schematic
Group 20: Adjustments
MFWD Brake Pedal Switch Adjustment
Group 25: Theory of Operation
Rear Differential Operation
Differential Lock
Differential Lock Operation
Final Drive Operation
PTO Modulating Valve Operation
Rear PTO
Rear PTO Clutch and Brake Operation
Dual Speed PTO— 1000 RPM Engagement
Dual Speed PTO— 540 RPM Engagement
MFWD Clutch Operation
MFWD Identification- Version “A”, “B” and “C”
MFWD Axle Operation
MFWD DIFFERENTIAL OPERATION—LIMITED SLIP
Section 260: Steering and Brakes
Group 25: Steering and Brakes Theory of Operation
Steering System Operation ( —52960)
Primary Hydraulic Steering and Brakes
Steering Control Valve Assembly
Cutaway View of Steering Valve
Gerotor Operation
Neutral Steering ( —52960)
Right-Turn Steering ( —52960)
Emergency Steering ( —52960)
Steering System Operation (52961— )
Steering and Brake Hydraulic Schematic
Neutral Steering (52961— )
Right-Turn Steering (52961— )
Emergency Steering (52961— )
Gerotor Operation
Brake Pistons, Plates and Disks Operation
Brake Released
Brake Modulation
Brake Engaging
Brake Engaging
Manual Braking— Prefill
Manual Braking— Engaging
Manual Breaking -Engaging
Section 270: Hydraulic System
Group 05: Operational Checks
Before You Start
Group 10: Hydraulic System Diagnosis
Hydraulic System Diagnosis
Group 10A: Tools and Safety
Essential Or Recommended Tools
Agricultural Universal Pressure Test Kit
Hand-Held Digital Tachomete
Service Equipment and Tools
Avoid High-Pressure Fluids
Observe Safety Precautions
Group 10B: Diagnostic Guidelines
General Diagnostic Information
Adjust for Correct Pressure and Temperature References
Heating Hydraulic Oil
Use Step-By-Step Hydraulic Diagnostic Charts
Navigational Flow Chart
Major System Tests—Hydraulics
Hydraulic Test Record Sheet
Group 10C: Preliminary Checks
Preliminary Checks
Recall CCU Codes
Hydraulic Filter Check
Group 10D: Hydraulic Diagnosis
Install Test Equipment
HYD TEST NO. 1
HYD TEST NO. 2
HYD TEST NO. 3
HYD TEST NO. 4
HYD TEST NO. 5
HYD TEST NO. 6
HYD TEST NO. 7
HYD TEST NO. 8
HYD TEST NO. 9
HYD TEST NO. 10
HYD TEST NO. 11
Summary of Hydraulic Testing
Group 10E: Additional Troubleshooting Information
Additional Troubleshooting Information
Hydraulic System Response to a Missing Shuttle Check Valve
Missing Check Valve Chart
SCV and Coupler Leak Test
Three-Position SCV Lever Kickout Adjustment
Bleeding Load-Sense and Hydraulic Pressure Circuits
Group 10F: Hitch Electrical Diagnosis
Hitch Electrical Troubleshooting Tips
Wiring Harnesses
Hitch Harnesses
Come Home Feature
Component Test Specifications—HCU
HCU Hardware and Software Information
Hitch Circuit Diagnosis
Test Procedure No. 1—HCU
Diagnostic Codes
HCU Diagnostic Code Numbers
Test Procedure No. 2—HCU
HCU Circuit Diagnostic (“Beep”) Addresses
Test Procedure No. 3—HCU
Test Procedure No. 4—HCU
Test Procedure No. 5—HCU
Test Procedure No. 6—HCU
Test Procedure No. 7—HCU
Test Procedure No. 8—HCU
Test Procedure No. 9—HCU
Test Procedure No. 10—HCU
Test Procedure No. 11—HCU
Test Procedure No. 12—HCU
Test Procedure No. 13—HCU
Test Procedure No. 14
Test Procedure No. 15
Test Procedure No. 16
Test Procedure No. 17—HCU
Adjust Hitch Valve ( —52960)
Test Procedure No. 18—HCU
Test Procedure No. 19—HCU
Test Procedure No. 20—HCU
Test Procedure No. 21—HCU
Test Procedure No. 22—HCU
Test Procedure No. 23
Group 10G: HCU Additional Tests
Check Continuity of External Raise/Lower Switch
Group 10H: ROW-TRAKROW-TRAK is a trademark of Deere & Company Tests
ROW-TRAK Control Circuit Schematic
ROW-TRAK Control Circuit Diagnostic Schematic
ROW-TRAK ROW-TRAK is a trademark of Deere & Company. (LHP) Tests
Test Procedure No. 1—LHP
Diagnostic Codes
LHP Diagnostic Code Numbers
Test Procedure No. 2
LHP Circuit Diagnostic ("Beep") Addresses
Test Procedure No. 3—LHP
Test Procedure No. 4—LHP
Test Procedure No. 5—LHP
Test Procedure No. 6—LHP
Test Procedure No. 7
Test Procedure No. 8—LHP
Test Procedure No. 9—LHP
Test Procedure No. 10—LHP
Test Procedure No. 11—LHP
Test Procedure No. 12—LHP
Test Procedure No. 13—LHP
Test Procedure No. 14—LHP
Test Procedure No. 15—LHP
Test Procedure No. 16—LHP
Test Procedure No. 17—LHP
Test Procedure No. 18—LHP
Test Procedure No. 19—LHP
Test Procedure No. 20—LHP
Test Procedure No. 21—LHP
Test Procedure No. 22—LHP
Test Procedure No. 23—LHP
Test Procedure No. 24—LHP
Group 20: Calibrations and Adjustments
Calibrations and Adjustment Groups
Group 20A: Hitch Calibrations and Adjustments
HCU Addresses
HCU Hitch Dampening Calibration Procedure
Set Hitch Controls for Calibration
Group 20B: ROW-TRAK™ Calibrations and Adjustments
LHP Addresses
LHP Calibration
Prepare ROW-TRAK System For Calibration
Group 25: Theory of Operation
Theory Of Operation Groups
Group 25A: Hydraulic System Diagrams
Hydraulic System Components
Hydraulic System Schematic( —52960)
Hydraulic System Schematic (52961— )
Group 25B: Hydraulic Control Circuit
Description of Axial Piston Pump
Location of Oil Lines
Pump Operation
Charge Pump
Hydraulic Filter Operation
Hydraulic System Secondary Circuit (Component Identification)
Priority Valve
Neutral— At Start Up
Neutral
Group 25C: Steering Circuit
Steering Operation ( —52960)
Steering Relief ( —52960)
Steering Returned to Neutral ( —52960)
High Pressure Demand From Secondary ( —52960)
Steering Operation (52961— )
Steering Relief (52961— )
Steering Returned to Neutral (52961— )
High Pressure Demand From Secondary (52961— )
Group 25D: Selective Control Valves (SCV)
Two-Position Selective Control Valve— Neutral
Two-Position Selective Control Valve— Extend
Two-Position Selective Control Valve— Retract
Two-Position Selective Control Valve— Float
Three-Position Selective Control Valve Operation— Neutral
Three-Position Selective Control Valve Operation— Extend
Three-Position Selective Control Valve Operation— Retract
Three-Position Selective Control Valve Operation— Float
ISO Coupler— Closed
ISO Coupler— Coupling
ISO Coupler— Opening
ISO Coupler— Uncoupling
Group 25E: Hitch
Hitch Control Valve
Pressure and Return Solenoid Valves
Hitch Control Valve— Neutral Position
Pressure Compensator Valve
Load Check Valve
Surge Relief Valve
Hitch Load-Sense Check Valve
Hitch Operation— Raised
Hitch Operation— Stopped
Hitch Operation— Lower
Hitch Operation— Full Lower
Three Point Hitch Hydraulic Operation
Hitch Controls
Electro-Hydraulic Hitch Circuit
Electro-Hydraulic Hitch Sensor Locations
Hitch Control Unit (HCU)
Operator Controls
Hitch Control Lever
Load/Depth Control Potentiometer
Rate-of-Drop Control Potentiometer
Raise Limit Control Potentiometer
Console Raise/Lower Rocker Switch
External Raise/Lower Switch
Hitch Sensing Devices
Hitch Position Feedback Sensor
Load/Draft Sensor
Group 25F: Electro-Hydraulic Depth Control
Remote Lift assist (RLA) And Electro-Hydraulic Depth Control (EHDC) Features
Remote Lift assist (RLA) Mode
Electro-Hydraulic Depth Control (EHDC)— Optional
Electro-Hydraulic Depth Control (EHDC) Mode
Group 25G: Headland Management Systems (HMS)
Operation And Function Of Headland Management System (HMS) (If Equipped)
Group 25H: Hitch Dampening
Operation and Function Of Electronic Hitch Dampening (If Equipped)
Section 290: Operator Station
Group 05: Operational Checks
Before You Start
Group 10: Air Conditioning System Diagnosis
Service Equipment and Tools
Specifications
Air Conditioning System
Group 25: Air Conditioning Theory of Operation
Refrigerant
Air Conditioning System Air Flow
Air Conditioning System Cycle
Compressor
Condenser
Receiver-Dryer
Expansion Valve
De-Icing Switch
Evaporator
Temperature Control Knob
Compressor On/Off Switch
High And Low Pressure Switches
Section 299: Dealer Fabricated Tools
Group 05: Dealer Fabricated Tools
DFRW2 — Needle Valve Test Hose Assembly
DFRW26—Test Lead for Automotive-Style Fuses
DFRW27— Special Diagnostic Jumper Lead Assortment
DFRW51—Electronic Circuit Load Tester
DFRW85—Reverse Brake Test Plate
DFRW86—Spool Holding Tool
DFRW60 - DFRW61 - DFRW62—Extension Harnesses
DFRW63 - DFRW64 - DFRW65 - DFRW66 - DFRW81—Tap-Out Harnesses
DFRW126—Tap-Out Harness
DFRW130—Relay Circuit Test Lead
DFRW133 Tap-Out Harness
John Deere Tractors 7210, 7410, 7510 Diagnosis and Tests Service Technical Manual (TM1654)