John Deere 8120T 8220T 8320T 8420T 8520T Track Tractors Diagnostic & Test Service Manual TM1981 PDF - MJODTM1981.zip
Full Diagnostic & Testing Technical Manual featuring electrical schematics for the John Deere 8120T, 8220T, 8320T, 8420T, and 8520T Tracks Tractors, packed with the complete shop data needed to maintain, troubleshoot, and repair these machines just like a seasoned technician.
The John Deere 8120T, 8220T, 8320T, 8420T & 8520T Tracks Tractor service Diagnosis & Tests manual covers:
* 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.
tm1981 - 8120T, 8220T, 8320T, 8420T, and 8520T Tractors Operation and Test Technical Manual.pdf
tm1981 - 8120T, 8220T, 8320T, 8420T, and 8520TTractors Operation and Test Technical Manual.epub
Total Pages: 3,904 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
GENERAL
Safety
General References
SERVICE CODES
ACU Code Diagnostics
AMS General Diagnostic Codes
ATC Code Diagnostics (902001-)
CCU Code Diagnostics
ECU Code Diagnostics
HCU Code Diagnostics
ICU Code Diagnostics
JdL Code Diagnostics
PCU Code Diagnostics
SCU Code Diagnostics
SCo Code Diagnostics
SSU Code Diagnostics
SUP Code Diagnostics
OBSERVABLE SYMPTOMS
Electrical
Ag Management Solutions (AMS)
Hitch
Heating, Ventilation and Air Conditioning (Standard)
Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (-902000)
Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (902001-)
Operator Station
Power Take-Off (PTO)
Selective Control Valves (SCV)
Steering
Transmission
SYSTEM DIAGNOSIS
Transmission System
Steering and Brakes System
Hydraulic System
CLIMATRAK™ (ATC) System (902001-)
ENGINE
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
FUEL AND AIR
Theory of Operation
ELECTRICAL
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
CONTROL UNITS
Codes and Addresses
ACU References
CLIMATRAK™ (ATC) References
CCU References
ECU References
HCU References
ICU References
Implement Management System (IMS) References
PCU References
SCU References
SCo References
SSU References
SUP References
AG MANAGEMENT SOLUTIONS (AMS) - GREENSTAR™
GREENSTAR™ System References
AG MANAGEMENT SOLUTIONS (AMS)-JDLINK™
Accessing Diagnostic Addresses and Codes
Diagnostic Trouble Codes
Diagnostic Addresses
JDLINK™ Machine Messenger Diagnostics
AG MANAGEMENT SOLUTIONS (AMS) - AUTOTRAC
How to Use This Diagnostic Information
Accessing Diagnostic Addresses and Codes
Diagnostic Trouble Codes
Diagnostic Addresses
AutoTrac Identification
AutoTrac Diagnostics - 8000 Series Factory Installed
AutoTrac Diagnostics - 8000 Series Field Installed
GREENSTARGREENSTAR is a trademark of Deere & Company Parallel Tracking Identification
Parallel Tracking Diagnostics - 8000 Series Factory Installed
Parallel Tracking Diagnostics - 8000 Series Field Installed
GREENSTARGREENSTAR is a trademark of Deere & Company Display Diagnostics
GREENSTARGREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics
STARFIRE™ Receiver Diagnostics
GREENSTARGREENSTAR is a trademark of Deere & Company KeyCard Diagnostics
AutoTrac CAN Bus Identification
AutoTrac CAN Bus Diagnostics - 8000 Series Factory Installed
AutoTrac CAN Bus Diagnostics - 8000 Field Installed
AutoTrac CCD Bus Identification
AutoTrac CCD Bus Diagnostics - 8000 Series Factory Installed
AutoTrac CCD Bus Diagnostics - 8000 Series Field Installed
AutoTrac Power Identification
AutoTrac Power Diagnostics - 8000 Series Factory Installed
AutoTrac Power Diagnostics - 8000 Series Field Installed
AutoTrac Status Identification
AutoTrac Status Diagnostics - 8000 Series Factory Installed
AutoTrac Status Diagnostics - 8000 Series Field Installed
AutoTrac Steering Response Identification
AutoTrac Steering Response Diag. - 8000 Series Factory Installed
AutoTrac Steering Response Diag. - 8000 Series Field Installed
AutoTrac Steering Control Unit Identification
AutoTrac Steering Control Unit Diag - 8000 Series Factory Installed
AutoTrac Steering Control Unit Diag - 8000 Series Field Installed
Circuit Code Listing
Connector Information
AG MANAGEMENT SOLUTIONS (AMS) - FIELD DOC
GPS Position and STARFIRE Receiver Operation and Tests
FIELD DOC Basic Operation and Tests
POWERSHIFT TRANSMISSION
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
DRIVE SYSTEMS
Tests And Adjustments
Theory of Operation
STEERING AND BRAKES
Preliminary Checks
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
HYDRAULICS
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
OPERATOR STATION
Preliminary Checks
Operational Checks
Tests And Adjustments
Theory Of Operation
TOOLS
Fabricated Tools
Test Kits
tm1981 - 8120T, 8220T,8320T, 8420T,and 8520TTractorsOperation and Test
Table of Contents
Foreword
Section 210: GENERAL
Group 05: Safety
Recognize Safety Information
Handle Fluids Safely-Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Handle Agricultural Chemicals 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
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Keep ROPS Installed Properly
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
Group 15: General References
Reference 210-15-001, General Reference List
Reference 210-15-002, Bolt and Cap Screw Torque Values
Reference 210-15-003, Glossary of Terms
Reference 210-15-004, JIC Hydraulic Symbols
Reference 210-15-005, Wiring Diagram and Schematic Information
Reference 210-15-006, Electrical Schematic Symbols
Reference 210-15-007, Reading Wiring Schematics and Drawings
Reference 210-15-008, Visually Inspect Electrical System
Reference 210-15-009, Seven Step Electrical ProcedureWith probe light or multimeter
Reference 210-15-010, Using a Probe Light
Reference 210-15-011, Circuit Types
Reference 210-15-012, Circuit Malfunctions
Reference 210-15-013, Troubleshooting Circuit Malfunctions
Reference 210-15-014, Understanding Electrical vs. Electronic Circuits
Reference 210-15-015, Intermittent Electronic Problems
Reference 210-15-016, Relay Circuit Types
Reference 210-15-017, Using a Digital Multimeter
Section 211: SERVICE CODES
Group ACU: ACU Code Diagnostics
Specifications
ACU 002-SCV Lever Calibration Fault
ACU 003-Throttle or Hitch Controls Calibration Fault
ACU 027-Calibration Incomplete
ACU 028-ACU Not Calibrated
ACU 030-Engine Throttle Control Fault
ACU 040-Transmission Shift Lever Fault
ACU 041-ACU Powered Up In Gear
ACU 042-Transmission Lever Park Position Switch Conflict
ACU 049-Hitch Raise / Lower Rocker Switch ON at Start-up
ACU 053-Hitch Load / Depth Control Circuit Fault
ACU 054-Hitch Control Lever Circuit Fault
ACU 056-Hitch Raise Limit Control Circuit Fault
ACU 057-Hitch Rate-of-Drop Control Circuit Fault
ACU 070-IMS Switch Fault
ACU 071-Auto Resume Switch Fault
ACU 110-SCV 1 Control Voltage Fault
ACU 111-SCV 1 Control Switch Fault
ACU 120-SCV 2 Control Voltage Fault
ACU 121-SCV 2 Control Switch Fault
ACU 130-SCV 3 Control Voltage Fault
ACU 131-SCV 3 Control Switch Fault
ACU 140-SCV 4 Control Voltage Fault
ACU 141-SCV 4 Control Switch Fault
ACU 150-SCV 5 Control Voltage Fault
ACU 151-SCV 5 Control Switch Fault
Group AMS: AMS General Diagnostic Codes
20-CAN Bus Problem
21-CAN Bus Problem
22-Language Selection Problem
30-CAN Bus Problem
31-CAN Bus Problem
33-Internal Error
40-Parallel Tracking Problem
41-Parallel Tracking Problem
44-Parallel Tracking Problem
45-Parallel Tracking Problem
46-Parallel Tracking Problem
47-Device Address Change
48-CAN Bus Problem
49-CAN Bus Problem
50-Automatic Steering Problem
52-CAN Bus Problem
53-CCD Bus Problem
54-CAN Bus Problem
55-AutoTrac Problem
60-Flash Erase Failed
61-Contour Write Error
100-KeyCard Problem
110-Check Wiring (CAN Bus)
111-Check Wiring (CCD)
126-AutoTrac disabled
128-Software not compatible
150-PC Data Card Problem
151-PC Data Card Problem
152-PC Data Card Problem
155-KeyCard Problem
156-KeyCard Problem
157-Invalid Key
158-KeyCard Problem
200-CAN Bus Problem
201-CAN Bus Problem
210-CAN Bus Problem
211-CAN Bus Problem
213-Internal Error
220-Parallel Tracking Problem
221-Parallel Tracking Problem
224-Parallel Tracking Problem
225-Parallel Tracking Problem
226-Parallel Tracking Problem
227-Automatic Steering Problem
230-Display Address Change
231-CAN Bus Problem
232-CAN Bus Problem
233-Language Selection Problem
234-CAN Bus Problem
235-CAN Bus Problem
236-AutoTrac Problem
280-Mobile Processor Problem
281-Mobile Processor Problem
282-Mobile Processor Problem
301-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
302-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
303-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
304-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
305-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
306-STARFIRESTARFIRE is a trademark of Deere & Company Receiver Problem
308-RTK Problem
000956.16-Roll Sensor Out Of Range
002028.12-No STARFIRESTARFIRE is a trademark of Deere & Company Communication
002146.13-Terrain Compensation Module Not Calibrated
002146.14-Temperature Sensor Out Of Range
523309.07-Yaw Sensor Not Responding
523309.16-Yaw Sensor Out Of Range
523310.02-Memory Error
523319.18-Low Switched Voltage