Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 5076EF Tractors, with workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere 5076EF Tractors 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.

TM609719 English - John Deere 5076EF Tractors Diagnosis and Tests Technical Manual.pdf
tm609728 French - Tracteur 5076EF, manuel technique de diagnostic
tm609754 Portuguese - Trator 5076EF, Manual Técnico de Diagnóstico
tm609759 Russian - Трактор 5076EF, техническое руководство по диагностике

PRODUCT DETAILS:
Total Pages: 1,032 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Language: English

TABLE OF CONTENTS
Section 210: General Information................17
  Group 05A: Safety................17
    Recognize Safety Information................21
    Understand Signal Words................22
    Follow Safety Instructions................23
    Prepare for Emergencies................24
    Wear Protective Clothing................25
    Protect Against Noise................26
    Handle Fuel Safely—Avoid Fires................27
    Handle Starting Fluid Safely................28
    Keep ROPS Installed Properly................29
    Use Foldable ROPS and Seat Belt Properly................30
    Stay Clear of Rotating Drivelines................31
    Use Steps and Handholds Correctly................33
    Read Operator’s Manuals for ISOBUS Controllers................34
    Use Seat Belt Properly................35
    Operating the Tractor Safely................36
    Limited Use in Forestry Operation................38
    Operating the Loader Tractor Safely................39
    Keep Riders Off Machine................40
    Instructional Seat................41
    Use Safety Lights and Devices................42
    Use a Safety Chain................43
    Transport Towed Equipment at Safe Speeds................44
    Use Caution on Slopes, Uneven Terrain, and Rough Ground................46
    Freeing a Mired Machine................47
    Avoid Contact with Agricultural Chemicals................51
    Handle Agricultural Chemicals Safely................49
    Avoid Contact with Agricultural Chemicals................51
    Handle Fluids Safely—Avoid Fires................53
    Install All Guards................54
    Use Proper Lifting Equipment................55
    Illuminate Work Area Safely................56
    Live With Safety................57
    Service Machines Safely................58
    Use Proper Tools................59
    Construct Dealer-Made Tools Safely................60
    Clean Vehicle of Hazardous Pesticides................61
    Work in Clean Area................62
    Decommissioning — Proper Recycling and Disposal of Fluids and Components................63
    Avoid Harmful Asbestos Dust................64
    Avoid Hot Exhaust................65
    Clean Exhaust Filter Safely................66
    Handling Batteries Safely................69
    Avoid Heating Near Pressurized Fluid Lines................71
    Remove Paint Before Welding or Heating................72
    Handle Electronic Components and Brackets Safely................73
    Practice Safe Maintenance................74
    Exhaust Filter Cleaning................76
    Work In Ventilated Area................77
    Support Machine Properly................78
    Prevent Machine Runaway................79
    Park Machine Safely................80
    Transport Tractor Safely................81
    Service Cooling System Safely................82
    Service Accumulator Systems Safely................83
    Service Tires Safely................84
    Service Front-Wheel Drive Tractor Safely................85
    Replace Safety Signs................86
    Tightening Wheel Retaining Bolts/Nuts................87
    Avoid High-Pressure Fluids................88
    Avoid Backover Accidents................89
    Do Not Open High-Pressure Fuel System................90
    Store Attachments Safely................91
  Group 05B: General References................18
    Reference Publications................93
    General Information - Summary of References................94
    Regions and Country Versions................95
    How to Use This Manual................97
    Information Available in Sections, Groups and Subgroups................98
    General Troubleshooting Information................99
    Systematic Diagnostic Approach Overview................101
    Glossary of Terms................105
    Trademarks................109
  Group 05C: Technical Specific References................19
    Features and Accessories................114
    Metric Bolt and Screw Torque Values................117
    Unified Inch Bolt and Screw Torque Values................119
Section 211: Diagnostic Trouble Codes................121
  Group 05B: Diagnostic Trouble Codes................121
    Not Applicable................988
Section 212: Observable Symptoms and System Diagnostics................124
  Group 05B: General References................124
    Observable Symptoms and System Diagnostics - Summary of References................128
  Group 20: Engine Diagnostics................124
    Engine System Problems................124
  Group 30: Fuel, Air Intake, Exhaust, and Cooling Diagnostics................124
    Fuel, Air, Exhaust, and Cooling Problems................124
  Group 40: Electrical Diagnostics................124
    Charging System Problems................124
    Electrical Connector Problems................124
    Horn Problems................124
    Lighting System Problems................124
    Power Outlet Problems................124
    Starting and Charging System Diagnosis................124
    Starting System Problems................124
    Trailer Connector and Junction Block Problems................124
  Group 45: Electronic Control Unit Diagnostics................124
    Not Applicable................988
  Group 50: Drive Systems and Transmission Diagnostics................124
    SS Transmission Problems................124
    SS Transmission Diagnosis................124
    Differential System Problems................124
    Differential Lock System Diagnosis................124
    MFWD System Problems................124
    MFWD System Diagnosis................124
    Power Take Off (PTO) System Problems................124
    Power Take Off (PTO) System Diagnosis................124
  Group 60: Steering and Brakes Diagnostics................124
    Brake Problems................124
    Brake System Diagnosis................124
    Steering Problems................124
    Steering System Diagnosis................124
  Group 70: Hydraulic Diagnostics................125
    Mechanical Hitch Problems................125
    Mechanical Hitch System Diagnosis................125
    Rear SCV Problems................125
    Rear SCV System Diagnosis................125
  Group 90: Operator’s Station Diagnostics................125
    Not Applicable................988
Section 220: Engine................188
  Group 05B: General References................188
    Engine - Summary of References................190
    Engine Information................191
  Group 10AA: Engine Calibrations, Preliminary Checks and Operational Checks................193
    Engine Calibrations, Preliminary Checks and Operational Checks................193
  Group 20AA: Engine Theory of Operation................195
    Engine Theory of Operation................195
  Group 30AA: Engine Schematics................197
    Engine Schematics................197
  Group 40AA: Engine Component and Connector Information................188
    Engine Components................200
  Group 50AA: Engine Tests and Adjustments................188
    Engine Test Procedures and Adjustments................203
    Engine Performance Variables................204
    Throttle Lever Adjustment................205
Section 230: Fuel, Air Intake, Exhaust and Cooling................207
  Group 05B: General References................207
    Fuel, Air Intake, Exhaust, and Cooling - Summary of References................209
    John Deere Engine Fuel Systems Repair—Use Component Technical Manual................210
  Group 20AA: Fuel, Air Intake, Exhaust, and Cooling Theory of Operation................207
    Fuel System Operation................213
    Air Intake and Exhaust System Operation—Without Turbocharger................215
    Air Intake and Exhaust System Operation—With Turbocharger................217
    Cooling System Theory of Operation................219
Section 240A: Electrical General and Theory of Operation................221
  Group 05B: General References................221
    Electrical General and Theory of Operation - Summary of References................223
    How to Use Electrical Information................224
    How to Read Electrical Theory of Operation................225
  Group 20AA: Theory of Operation................221
    Instrument Cluster Theory of Operation................229
    Starting, Charging, and Neutral Start Circuit Theory of Operation................231
    Park Light System (EEC) Theory of Operation................236
    Park/Warning Light System (SAE) Theory of Operation................238
    Work Light System (EEC) Theory of Operation................240
    Work Light System (SAE) Theory of Operation................242
    Road High Light System (EEC) Theory of Operation................244
    Road High Light System (SAE) Theory of Operation................246
    Road Low Light System (EEC) Theory of Operation................248
    Road Low Light System (SAE) Theory of Operation................250
    Brake Light System (EEC) Theory of Operation................252
    Turn Light System (EEC) Theory of Operation................253
    Turn Light System (SAE) Theory of Operation................255
    Warning Light System (EEC) Theory of Operation................257
Section 240B: Electrical Schematics................259
  Group 05B: General References................259
    Electrical Schematics - Summary of References................261
    Wiring Diagram Information................262
    How to Use Electrical Schematics Information................264
    Electrical Designator and Component Identification Table................266
    Electrical Schematic Symbols................268
    Reading Wiring Schematics and Diagrams................271
  Group 30AA: Starting, Charging (SE1) and Neutral Start (SE2) Schematic................259
    Starting, Charging (SE1) and Neutral Start (SE2) EEC Schematic................276
    Starting, Charging (SE1) and Neutral Start (SE2) SAE Schematic................277
  Group 30BA: Instrument Cluster (SE3) Schematic................259
    Instrument Cluster (SE3) EEC Schematic................279
    Instrument Cluster (SE3) SAE Schematic................280
  Group 30CA: Horn (SE4),Light (SE5),Headlights (SE6),Work (SE7),Brake (SE8),Hazard (SE9) Schematic................259
    Vehicle Horn (SE4), Light Switch (SE5), Headlights (SE6), Work Light (SE7), Tail and Brake Lights (SE8) EEC Schematic................283
    Vehicle Horn (SE4), Light Switch (SE5), Headlights (SE6), Work Light (SE7), Turn Signal Switch and Hazard Warning Light (SE9) SAE Schematic................285
  Group 30DA: Warning and Turn Lights (SE9) EEC Schematic................288
    Warning and Turn Lights (SE9) EEC Schematic................288
  Group 30EA: Accessory Power (SE10),Trailer SAE (SE11A) and EEC (SE11B),Beacon (SE12) Schematic................259
    Accessory Power (SE10), Trailer Connector (SE11B), Beacon Light (SE12) EEC Schematic................290
    Accessory Power (SE10), Trailer Connector (SE11A) SAE Schematic................291
Section 240C: Electrical Components and Connectors................292
  Group 05B: General References................292
    Electrical Components and Connectors - Summary of References................300
    How to Use Electrical Component and Connector Information................304
    How to Use Wire Harness Information................308
  Group 40A: Fuses and Relays................292
    A20 Load Center (SAE)................324
    A21 Load Center (EEC)................338
    SAE Relays Module................351
    EEC Relays Module................354
  Group 40B: Ground Points................292
    Ground Point Locations................359
    XGND1 Single Point Ground................360
    XGND2 Radiator Core Ground................362
    XGND4 Fuel Injection Pump Ground................365
    XGND7 OOS Ground................368
    XGND10 Front Console Ground (Right, Inner) (OOS)................370
    XGND17 Beacon Light Ground (OOS)................373
    XGND20 Horn Ground................376
  Group 40C: Interconnects................292
    X102 Engine Harness to Chassis Harness................381
    X104 Engine Harness to Hood Harness (Headlights)................384
    X112 Chassis Harness to LH Lights Harness (EEC)................387
    X113 Chassis Harness to RH Lights Harness (EEC)................390
    X115 Chassis Harness to Rear Worklight Harness................393
  Group 40D: Wiring Harnesses................292
    Wiring Harnesses Diagram Listing................397
    Wire Harness Overview................398
    Wire Harness Layout................400
    W09 Fuel Injection Pump Harness................406
    W010 Positive Battery Cable................408
    W011 Negative Battery Cable................410
    W012 Engine Power Cable................412
    W100 Hood Harness (Headlights)................414
    W110 Lights Harness ( Brake, Clearance, Turn and Warning Lights)................416
    W112 Rear Worklight Harness (OOS)................418
    W302 OOS Chassis Harness (SAE)................420
    W303 OOS Chassis Harness (EEC)................425
    W400 Engine Harness................431
  Group SE1: SE1 Starting, Charging................293
    F26 (125A) Fusible Link................437
    G01 Battery................440
    G02 Alternator................443
    K01 Manifold Heater Relay................446
    M01 Starter Motor/Solenoid................449
    S01 Key Switch................452
  Group SE2: SE2 Neutral Start................293
    B30 Cold Advance Switch................458
    K18 Neutral Start Relay................461
    S02 Rear PTO Switch................464
    S03 Neutral Start Switch................467
    Y01 Fuel Flow Solenoid (SS)................470
    Y20 Cold Advance Solenoid................473
  Group SE3: SE3 Instrument Cluster................293
    A02 Instrument Cluster (SS)................477
    A02X1 ICC Connector 1................478
    A02X2 ICC Connector 2................480
    A02X3 ICC Connector 3................482
    A02X4 ICC Connector 4................484
    B01 Fuel Level Sensor................487
    B02 Coolant Temperature Sensor................489
    B03 Air Filter Restriction Switch................492
    B04 Engine Oil Pressure Switch................495
    B15 Engine Magnetic Pick-Up................498
    S10 Handbrake Switch................501
  Group SE4: SE4 Vehicle Horn................294
    H01 Horn................507
    S05 Horn Switch................510
  Group SE5: SE5 Light Switch................294
    S06 Light Switch................517
    S33 Rear Work Light Switch (EEC)................521
  Group SE6: SE6 Headlights................294
    E01 Right Headlight/Right Front High Low Beam Light................528
    E02 Left Headlight/Left Front High Low Beam Light................532
  Group SE7: SE7 Work Light................294
    E05 Rear Work Light................539
  Group SE8: SE8 Tail and Brake Lights................294
    H02 Right Rear Warning/Turn Light................549
    H03 Left Rear Warning/Turn Light................556
    H12 License Plate Light................563
    S17 Brake Pedal Switch (EEC)................566
  Group SE9: SE9 Turn Signal Switch and Lights, Hazard Warning Light................294
    H04 Right Front Warning Light (EEC)................572
    H05 Left Front Warning Light (EEC)................575
    H09 Left Clearance Light (EEC)................578
    H10 Right Clearance Light (EEC)................581
    S07 Turn Signal Switch................584
    S35 Hazard Light Switch (EEC)................587
  Group SE10: SE10 Accessory Power................294
    X02 Power, Accessory, Ground to Junction Block................593
  Group SE11A: SE11A Trailer Connector SAE................294
    X01A Trailer Connector (SAE)................601
  Group SE11B: SE11B Trailer Connector EEC................294
    X01B Trailer Connector (EEC)................610
    X14 Flood Light................614
  Group SE12: SE12 Beacon Light................294
    H07 Beacon Light................620
    S25 Beacon Light Switch................623
Section 240D: Electrical Tests and Adjustments................626
  Group 05B: General References................626
    Electrical Tests and Adjustments - Summary of References................629
    How to Use Electrical Tests and Adjustments Information................631
    Visually Inspect Electrical System................635
    Seven-Step Electrical Procedure................636
    Using a Probe Light................639
    Circuit Types................641
    Circuit Malfunctions................643
    Troubleshooting Circuit Malfunctions................646
    Understanding Electrical vs. Electronic Circuits................651
    Using a Digital Multimeter................654
    Troubleshooting Unresolved Electrical-Electronic Problems................660
    Install Test Equipment 40-1................661
    Install Test Equipment 40-2................663
    Relay Circuit Types................665
  Group 50AA: Tests and Adjustments................626
    Connector Circuit Test................683
    Diode Circuit Test................688
    Fuse Circuit Test................691
    Light Circuit Test................693
    Miscellaneous Component Test................695
    Motor Circuit Test................697
    Pump Circuit Test................699
    Relay Circuit Test................701
    Resistor Circuit Test................704
    Sensor Circuit Test................706
    Solenoid Circuit Test................710
    Switch Circuit Test................714
    Alternator Circuit Test................718
    Battery Inspection Test................720
    Open Circuit Load Test................728
    ICC—Instrument Cluster Control Unit Test................735
Section 245: Electronic Control Units................739
  Group 05B: Electronic Control Units................739
    Not Applicable................988
Section 250: Drive Systems and Transmissions................742
  Group 05B: General References................742
    Drivetrain—Summary of References................744
    Drivetrain-General Information................745
  Group 10AA: Drive Systems and Transmission Preliminary, Operational and Calibrations Checks................742
    SS Transmission — Preliminary Checks................750
    SS Transmission — Operational Checks................754
    SS Transmission — Calibration................756
    Differential, PTO and Axle — Preliminary Checks................757
    Rear Differential Lock — Operational Check................760
    Power Take-Off — Operational Checks................761
    MFWD — Operational Checks................762
  Group 20AA: Drive Systems and Transmission Theory of Operation................742
    Drivetrain Overview and Theory of Operation................767
    Theory of Operation — Front Axle................770
    Clutch Operation—Synchronized Transmission................771
    Mechanical Front Wheel Drive (MFWD) Drop Gearbox Operation................779
  Group 30AA: Drive Systems and Transmission Schematics................742
    Drivetrain Hydraulic Schematic................783
  Group 40AA: Drive Systems and Transmission Component and Connector Information................742
    Drive Systems and Transmission Component and Connector Overview................786
  Group 50AB: Drive Systems and Transmission Tests and Adjustments................742
    Drivetrain — Tests and Adjustments................788
Section 260: Steering and Brakes................789
  Group 05B: General References................789
    Steering and Brakes - Summary Of References................793
    Install Test Equipment 60-1................795
    Install Test Equipment 60-2................798
    Install Test Equipment 60-3................799
    Install Test Equipment 60-4................800
  Group 10AA: Steering Calibrations, Preliminary Checks and Operational Check................789
    Steering Preliminary Check................802
    Steering Operational Check................803
  Group 10AB: Brakes Calibrations, Preliminary Checks and Operational Checks................789
    Rear Brakes Preliminary Check................805
    Rear Brake Operational Check................806
  Group 20AA: Steering Theory of Operation................789
    Steering - Steering Valve Theory of Operation................812
  Group 20AB: Brakes Theory of Operation................789
    Brake System Operation................818
    Brake Valve Operation................820
  Group 30AA: Steering Schematics................789
    Steering - System Schematics................826
  Group 30AB: Brakes Schematics................789
    Brakes - System Schematics................829
  Group 40AA: Steering Component and Connector Information................789
    Steering System Component and Connector Overview................831
    G3 Steering Valve Assembly................832
  Group 40AB: Brakes Component and Connector Information................789
    Brake System Component and Connector Overview................837
    G9 Brake Valve Assembly................839
  Group 50AA: Steering Test and Adjustments................789
    Steering - Pump Flow Test................843
    Steering Valve Relief Test................844
    Steering Leak Test................845
  Group 50AB: Front Axle Test and Adjustments................790
    Checking Toe-In—Adjustable Front Axle................848
    Adjusting Toe-In—Adjustable Front Axle................849
    Checking Toe-In—MFWD Axle................850
    Adjusting Toe-In—MFWD Axle................851
    Set MFWD Steering Stops Turning Radius................852
  Group 50AC: Brake Test and Adjustments................790
    Bleed Rear Brakes................854
    Rear Brake Valve Leak Test................855
    Brakes - Brake Element Leak Isolation Test................856
    Brakes - Brake Retractor Adjustment................858
    Brakes - Brake Valve Supply Test................859
    Brake Pedal Adjustment................860
    Adjust Brake Retractors................862
Section 270: Hydraulics................863
  Group 05B: General References................863
    Hydraulics - Summary of References................869
    Hydraulic Designators................872
    JIC Hydraulic Symbols................873
    Hydraulic Oil Warm-Up Procedure................876
    Install Test Equipment 70-1................877
    Install Test Equipment 70-2................878
    Install Test Equipment 70-3................879
    Install Test Equipment 70-4................881
    Install Test Equipment 70-5................882
    Install Test Equipment 70-6................883
  Group 10AA: Hydraulic Calibrations, Preliminary Checks and Operational Checks................863
    Hydraulics - Hydraulic System Preliminary Check................886
    Hydraulics - Hydraulic System Operational Check................888
    Hydraulics - Rear Hitch System Operational Check................891
  Group 20AA: Hydraulic System Theory of Operation................863
    Hydraulic System Overview................895
    Hydraulic Filter Operation................897
    Hydraulic Pump Operation................898
  Group 20AB: Rockshaft Control Valve Theory of Operation................863
    Rockshaft Control Valve General Overview................901
    Rockshaft Control Valve Operation—Neutral Position................902
    Rockshaft Control Valve Operation—Lower Position................904
    Rockshaft Control Valve Operation—Raise Position................906
  Group 20AC: Surge Relief Valve Theory of Operation................863
    Surge Relief Valve Operation................911
  Group 20AD: Rate-of-Drop Valve Theory of Operation................863
    Rate-of-Drop Valve Operation—Full Open................915
    Rate-of-Drop Valve Operation—Full Closed................916
  Group 20AE: Rockshaft Draft Sensing Theory of Operation................863
    Rockshaft Draft-Sensing Operation................919
  Group 20AF: Selective Control Valve Theory of Operation................864
    SCV Operation (Neutral Position)................923
    Selective Control Valve Operation—Extend and Retract Positions................925
    Selective Control Valve Operation— Float Position................927
    Selective Control Valve Operation— Regenerative Position................929
  Group 20AH: Double-Acting Sleeve Coupler Theory of Operation................864
    Double-Acting Sleeve Coupler Operation................933
  Group 20AI: Power Beyond Theory of Operation................937
    Power Beyond Theory of Operation................937
  Group 30AA: Hydraulic Schematics................864
    Hydraulics - Functional Schematic................941
    Power Beyond Hydraulic Schematic................943
  Group 40AA: Hydraulic Component and Connector Information................864
    Hydraulic System Component and Connector Overview................946
    G1 Hydraulic Filter Assembly................947
    G2 Dual Pump Assembly................950
    G5 Mechanical Hitch Valve Assembly................953
    G7 Dual Rear SCV Assembly................956
    G11 Power Beyond Valve................959
  Group 50AA: Hydraulics Test and Adjustments................864
    Hydraulics - Prime Hydraulic Pump................963
    Hydraulics - Implement Pump Flow Test................964
    Hydraulics - Implement Relief Valve Test................966
    Hydraulics - Implement Relief Valve Adjustment................968
    Hydraulics - Hitch Cylinder Supply Pressure Test................969
    Hydraulics - Hitch Load-Sense Relief Valve Adjustment................970
    Hydraulics - Rockshaft Leakage Test................972
    Hydraulics - Rockshaft Lift Cycle Test................974
    Hydraulics - SCV Leakage Test................976
    Hydraulics - Rockshaft Draft-Sensing and Position Control Cable Adjustment................978
    Hydraulics - Rockshaft Lever Friction Adjustment................979
    Hydraulics - Rockshaft Position-Sensing Feedback Linkage Adjustment................980
    Hydraulics - Rockshaft Draft-Sensing Feedback Linkage Adjustment................984
Section 290: Operator's Station................986
  Group 05B: Operator's Station................986
    Not Applicable................988
Section 299: Special Tools................989
  Group 05B: General References................989
    Special Tools - Summary of References................991
  Group 05C: Dealer Fabricated and Service Tools................989
    DFRW26................993
    DFRW126................994
    DFRW133................996
    Universal Tap-Out Harness................997
    DFLX10 and DFLX11—Test Harnesses................998
    DFLX12—Special Tool for 11-bit and 29-bit CAN BUS................1000
    DFLX14—Solenoid Valve Test Harness................1001

John Deere 5076EF Tractors Diagnosis and Test Service Technical Manual (TM609719)