John Deere 7200 7400 2WD MFWD Tractor Diagnostics & Tests Service Manual TM1552 PDF - MJODTM1552.zip
A full Diagnostics & Tests service manual, complete with electrical schematics, for the John Deere 7200 and 7400 Tractors in either 2WD or MFWD configuration — everything a trained technician needs to keep, troubleshoot, and repair these machines like a pro.
Covered inside the Diagnosis & Tests technical manual for John Deere 7200 and 7400 2WD or MFWD Tractors:
* 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.
tm1552 - 7200 and 7400 Tractors Technical Manual - Operation & Test.pdf
tm1552 - 7200 and 7400 Tractors Technical Manual - Operation & Test.epub
PRODUCT DETAILS:
Total Pages: 1,410 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 Service Codes
CCU
HCU
LHP
Observable Symptoms
Brakes
Hitch
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
Sub-System Diagnostics
Calibration and References
Transmissions
Operational Checks
PowrQuad PowrQuad is a trademark of Deere & Company. Diagnosis
SyncroPlus SyncroPlus is a trademark of Deere & Company. Diagnosis
PowrQuad PowrQuad is a trademark of Deere & Company. 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
Tests and Adjustments
Steering and Brakes Theory of Operation
Hydraulic System
Operational Checks
Hydraulic System Diagnosis
Calibration and Adjustments
Theory of Operation
Operator Station
Air Conditioning Operational Checks
Air Conditioning System Diagnosis
Air Conditioning Theory of Operation
Dealer Fabricated Tools
Dealer Fabricated Tools
tm1552 - 7200 and 7400 Tractors
Table of Contents
Foreword
Section 205: Safety Information
Group 05: Safety
Recognize Safety Information
Handle Fluids Safely—Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Handle Chemical Products Safely
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
Service Accumulator Systems Safely
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Keep ROPS Installed Properly
Service Tires Safely
Avoid Harmful Asbestos Dust
Practice Safe Maintenance
Use Proper Tools
Dispose of Waste Properly
Prevent Machine Runaway
Handle Starting Fluid Safely
Service Cooling System Safely
Stay Clear of Rotating Drivelines
Protect Against High Pressure Spray
Construct Dealer-Made Tools Safely
Clean Vehicle of Hazardous Pesticides
Live With Safety
Section 210: General Information
Group 05: Operational Checkout
Electrical System Checks
PowrQuad PowrQuad is a trademark of Deere & Company. Transmission Checks
Hydraulic System Checks
Hitch System Checks
A/C System Checks
Group 10: General Reference Information
JT03412—Supplemental Pressure Test Kit
JT03413—Supplemental Flow Test Kit
JT03419—ORFS Fitting Kit
JT05406—Master Hydraulic Flow Test Fitting Kit
JT05452—Power Shift Transmission Test Kit
JT05469—Flowmeter Kit
JT05470—Agricultural Universal Pressure Test Kit
Required Test Fittings
List of Diagnostic Adapters— ORFS
Unified Inch Bolt and 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 OTC 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 Service Codes
Group 05: CCU
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 48 - System Voltage Low (Engine OFF)
CCU 49 - System Voltage Too High
CCU 050 - Hydraulic Oil Filter Restricted
CCU 067 - Sensor Power Source (12V) Missing Fuse F14
CCU 70 - Operator Out of Seat with PTO Engaged
CCU 072 - Rear PTO Control Switch/Circuit Failed
CCU 073 - Rear PTO Solenoid/Circuit Failed
CCU 075 - Rear PTO Speed Too Low with PTO On
CCU 076 - Rear PTO Calibration Error
CCU 77 - Operator Out of Seat with Front PTO Engaged
CCU 078 - Front PTO-Switch OFF But Solenoid ON
CCU 079 - Front PTO-Switch ON But Solenoid OFF
CCU 080 - Differential Lock Switch Stuck ON
CCU 081 - Differential Lock Circuit Fault With Switch ON
CCU 085 - MFWD Control Switch Error
CCU 086 - MFWD Circuit Fault With Switch OFF
CCU 87 - MFWD Inhibited
CCU 93 - Clutch Cooling Solenoid Circuit Failure
Group 10: HCU
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
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 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
Group 15: LHP
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 - Row-Trak 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
Section 212: Observable Symptoms
Group 10: Brakes
Brakes Function Erratically
Group 20: Hitch
Hitch only moves with External Switch
Group 30: Operator Station
Digital Tachometer Display Not Functioning
Poor AM & FM Radio Reception or Electrical Noise
Key Switch Won't Return to Run Position
Group 70: Hydraulics
Grapple Valve Holds System Pressure Above Standby for Several Seconds
Section 220: Engine
Group 05: General Information
Engine Operation and Tests
Section 230: Fuel, Air Intake and Engine Cooling Systems
Group 20: Fuel/Air/Cooling System Theory of Operation
Fuel System
Air Intake System
Engine Cooling System
Section 240: Electrical System
Group 04: Diagnostic Codes and Addresses
Diagnostic Codes and Addresses
Clear Diagnostic Codes
Diagnostic Codes
CCU Diagnostic Code Numbers
HCU Diagnostic Code Numbers
LHP Diagnostic Code Numbers
CCU Addresses
HCU Addresses
LHP Addresses
PRF 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
Electrical Circuit Malfunctions
High Resistance or Open Circuit
Grounded Circuit
Shorted Circuit
Understanding Electrical vs. Electronic Circuit Voltage Test Readings
Intermittent Electronic Problems
Seven Step Electrical Test Procedure
Battery Operation
Battery Specifications
Diagnose Battery Malfunctions
Check Battery Electrolyte Level and Terminals
Procedure for Testing Batteries
Using a Booster Battery or Battery Charger
Group 10: System Diagrams
Fuse Panel Tractors with cab
Fuses, Relays and Diode Block (OOS) Open Operator Station
Component Identification Table
Component Identification Legend
Legend for System Functional Schematic (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, SE9)
Legend for System Functional Schematic (OOS)
System Functional Schematic (OOS SE1, SE2, SE3, SE4)
System Functional Schematic (OOS SE5, SE6)
System Functional Schematic (OOS SE7, SE8, SE9)
Fuse Identification On fuse panel (tractors with cab)
Relay and Diode Block Identification On Load Center Only (Tractors With Cab)
Fuse, Relay and Diode Block Identification Open Operator Station (On Fuse Panel And Load Center)
Cab Harness (W2)
Open Operator 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)
Front PTO Harness (W29)
Cab Harness Routing and Component Location (Panels 1 and 2)
Cab Harness Routing and Component Location (Panels 3 and 4)
Open Operator Station Harness Routing and Component Location
Transmission Sensor Harness— PowrQuad PowrQuad is a trademark of Deere & Company.
Transmission Sensor Harness— SyncroPlus SyncroPlus is a trademark of Deere & Company.
Engine Harness Routing and Component Location
Group 15: Sub-System Diagnostics
CCU Fault Code Numbers
Power Supply, Starting and Charging Circuits Schematic (SE1)
Starting Circuit Operational Information
Starting Circuit Theory of Operation
Voltage Checks