Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 30G Excavator, with workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere 30G Excavator 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.

TM14234X19 - John Deere 30G Excavator Technical Manual - Operation and Test.pdf
tm14234x28 - John Deere Excavatrice 30G.pdf
tm14234x63 - John Deere Excavadora 30G.pdf

PRODUCT DETAILS:
Total Pages: 780 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Category: Operation and Test
Language: English Spanish French
Published on 2019/12/30

TABLE OF CONTENTS
Section 9000: General Information................19
  Group 01: Safety................19
    Safety and Operator Convenience Features................23
    Recognize Safety Information................25
    Follow Safety Instructions................26
    Operate Only If Qualified................27
    Wear Protective Equipment................28
    Avoid Unauthorized Machine Modifications................29
    Control Pattern................30
    Control Pattern Selector—If Equipped................31
    Inspect Machine................32
    Stay Clear of Moving Parts................33
    Avoid High-Pressure Fluids................34
    Avoid High-Pressure Oils................35
    Work In Ventilated Area................36
    Avoid Static Electricity Risk When Refueling................37
    High Debris Applications................39
    Prevent Fires................40
    In Case of Machine Fire................41
    Prevent Battery Explosions................42
    Handle Chemical Products Safely................43
    Handle Starting Fluid Safely................44
    Decommissioning — Proper Recycling and Disposal of Fluids and Components................45
    Prepare for Emergencies................46
    Clean Debris from Machine................47
    Add Cab Guarding for Special Uses................48
    Use Steps and Handholds Correctly................49
    Start Only From Operator's Seat................50
    Use and Maintain Seat Belt................51
    Prevent Unintended Machine Movement................52
    Avoid Work Site Hazards................53
    Keep Riders Off Machine................55
    Avoid Backover Accidents................56
    Avoid Machine Tip Over and Machine Damage................57
    Use Special Care When Lifting Objects................59
    Use Care When Swinging Machine................60
    Operate Boom With Care................61
    Avoid Power Lines................62
    Inspect and Maintain ROPS................63
    Travel Safely................64
    Prevent Acid Burns................65
    Add and Operate Attachments Safely................67
    Park and Prepare for Service Safely................68
    Service Machines Safely................69
    Service Cooling System Safely................70
    Remove Paint Before Welding or Heating................71
    Make Welding Repairs Safely................72
    Drive Metal Pins Safely................73
    Use Proper Lifting Equipment................74
    Safety Signs................75
Section 9001: Diagnostics................83
  Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes................87
    Engine Control Unit (ECU) Diagnostic Trouble Codes................87
    000029.08 - Spare Accelerator Sensor Error (Pulse Communication) (P1227) (0001D-08)................83
    000091.02 - Accelerator Sensor Intermittent Failure (P0124) (0005B-02)................83
    000091.03 - Acceleration Sensor Error (High Voltage) (P0123) (0005B-03)................83
    000091.04 - Acceleration Sensor Error (Low Voltage) (P0122) (0005B-04)................83
    000100.01 - Oil Pressure Descend Error (P1198) (00064-01)................83
    000100.04 - Oil Pressure Switch Error (P1192) (00064-04)................83
    000110.00 - Cooling Water Temperature Rise Alarm (Overheat) (P0217) (0006E-00)................83
    000110.02 - Cooling Water Temperature Sensor Intermittent Failure (P0119) (0006E-02)................83
    000110.03 - Cooling Water Temperature Sensor Error (High Voltage) (P0118) (0006E-03)................83
    000110.04 - Cooling Water Temperature Sensor Error (Low Voltage) (P0117) (0006E-04)................83
    000158.00 - Power Supply Voltage Error (High Voltage) (P0563) (0009E-00)................83
    000158.01 - Power Supply Voltage Error (Low Voltage) (P0562) (0009E-01)................83
    000167.01 - Charge Alarm (P1568) (000A7-01)................83
    000167.04 - Charge Switch Error (P1562) (000A7-04)................83
    000190.00 - Overspeed Error (P0219) (000BE-00)................83
    000628.02 - ECU Internal Flash ROM Error (Checksum B) (P1605) (00274-02)................83
    000628.02 - ECU Internal Flash ROM Error (Checksum C) (P1606) (00274-02)................83
    000628.12 - ECU Internal Flash ROM Error (Checksum A) (P0605) (00274-0C)................83
    000630.02 - ECU Internal EEPROM Error (Checksum) (P1601) (00276-02)................83
    000630.12 - ECU Internal EEPROM Error (Read/Write Error) (P0601) (00276-0C)................83
    000638.02 - Engine Error (P1214) (0027E-02)................83
    000638.03 - Rack Actuator Error (High Current) (P1213) (0027E-03)................83
    000638.04 - Rack Actuator Error (Low Current) (P1212) (0027E-04)................83
    000638.07 - Rack Actuator Mechanical Failure (P1211) (0027E-07)................83
    000639.12 - CAN Communication Error (U0001) (0027F-0C)................83
    001078.04 - Speed Sensor Error (P0340) (00436-04)................83
    001079.02 - Sensor 5 V Intermittent Failure (P1644) (00437-02)................83
    001079.03 - Sensor 5 V Error (High Voltage) (P0643) (00437-03)................83
    001079.04 - Sensor 5 V Error (Low Voltage) (P0642) (00437-04)................83
    001136.01 - ECU Temperature Rise Alarm (P0634) (00470-00)................83
    001136.02 - ECU Temperature Sensor Intermittent Failure (P1664) (00470-02)................84
    001136.03 - ECU Temperature Sensor Error (High Voltage) (P0669) (00470-03)................84
    001136.04 - ECU Temperature Sensor Error (Low Voltage) (P0668) (00470-04)................84
    001210.03 - Rack Position Sensor Error (High Voltage) (P1203) (004BA-03)................84
    001210.04 - Rack Position Sensor Error (Low Voltage) (P1202) (004BA-04)................84
    001485.04 - Main Relay Error (P0686) (005CD-04)................84
    522241.02 - Rack Actuator Relay Intermittent Failure (P1224) (7F801-02)................84
    522241.03 - Rack Actuator Relay Error B (P1223) (7F801-03)................84
    522241.04 - Rack Actuator Relay Error A (P1222) (7F801-04)................84
    522242.02 - CSD Solenoid Valve Intermittent Failure (P1244) (7F802-02)................84
    522242.03 - CSD Solenoid Valve Error B (P1243) (7F802-03)................84
    522242.04 - CSD Solenoid Valve Error A (P1242) (7F802-04)................84
    522243.02 - Start Assist Relay Intermittent Failure (P1234) (7F803-02)................84
    522243.03 - Start Assist Relay Error B (P1233) (7F803-03)................84
    522243.04 - Start Assist Relay Error A (P1232) (7F803-04)................84
    522251.03 - EGR Valve Error B (Step Motor A-Phase) (P1403) (7F80B-03)................84
    522251.04 - EGR Valve Error A (Step Motor A-Phase) (P1402) (7F80B-04)................84
    522252.03 - EGR Valve Error B (Step Motor B-Phase) (P1413) (7F80C-03)................84
    522252.04 - EGR Valve Error A (Step Motor B-Phase) (P1412) (7F80C-04)................84
    522253.03 - EGR Valve Error B (Step Motor C-Phase) (P1423) (7F80D-03)................84
    522253.04 - EGR Valve Error A (Step Motor C-Phase) (P1422) (7F80D-04)................84
    522254.03 - EGR Valve Error B (Step Motor D-Phase) (P1433) (7F80E-03)................84
    522254.04 - EGR Valve Error A (Step Motor D-Phase) (P1432) (7F80E-04)................84
    522314.00 - Abnormal Water Temperature (P1217) (7F84A-00)................84
    522323.00 - Air Cleaner Clogging Alarm (P1101) (7F853-00)................84
    522329.00 - Oil/Water Separator Alarm (P1151) (7F859-00)................84
    522402.04 - Spare Speed Sensor Error (P1340) (7F8A2-04)................84
    522727.12 - ECU Internal Sub CPU Error A (P1610) (7F9E7-0C)................84
    522727.12 - ECU Internal Sub CPU Error B (P1611) (7F9E7-0C)................84
    522727.12 - ECU Internal Sub CPU Error C (P1612) (7F9E7-0C)................84
    522728.12 - ECU Internal Map Format Error (P1620) (7F9E8-0C)................84
  Group 30: Monitor Controller (DSZ) Diagnostic Trouble Codes................150
    Monitor Controller (DSZ) Diagnostic Trouble Codes................150
    E:1100 - Engine Trouble Alarm................85
    W:1100 - Engine Warning................85
    W:1102 - Exhaust Filter Regeneration Request................85
    W:1103 - Exhaust Filter Regeneration Inhibited Alarm................85
    W:1104 - Intermediate Gas Temperature Sensor Error................85
    W:1105 - Exhaust Filter Differential Pressure Sensor Error................85
    W:1106 - Inlet Port Gas Temperature Sensor Error................85
    W:1107 - Engine Injection Pressure Sensor Error................85
    W:1108 - Exhaust Filter Gas Inlet Air Pressure Sensor Error................85
    W:1109 - Engine Inlet Air Piping Abnormal Temperature................85
    W:1110 - Air Heat Relay Error................85
    W:1111 - Exhaust Filter Manual Regeneration Inhibited Alarm................85
    W:1206 - Air Filter Restriction Alarm................85
    W:1207 - Coolant Temperature Sensor Error................85
    W:1208 - Engine Speed Sensor Error................85
    W:1209 - Atmospheric Pressure Sensor Error................85
    W:1210 - Water Separator Alarm................85
    W:1211 - Ambient Air Temperature Sensor Error................85
    W:1303 - Combustion Temperature Sensor Error................85
    W:1304 - Engine Control Dial Error (CAN Signal)................85
    W:1310 - CAN Communication Error................85
    W:2201 - Overheat Alarm................85
    W:2202 - Engine Oil Pressure Alarm................85
    W:2304 - Fuel Sensor Error................85
    W:2306 - Boom Bottom Pressure Sensor Error................85
    W:2307 - Engine Control Dial Error (Analog Signal)................85
    W:2310 - EEPROM Error................85
Section 9005: Operational Checkout Procedure................197
  Group 10: Operational Checkout Procedure................197
    Operational Checkout................249
Section 9010: Engine................300
  Group 05: Theory of Operation................300
    Yanmar Engine................316
    Engine Fuel System Component Location................303
    Engine Cooling System Component Location................305
    Cold Weather Starting Aid................307
    Engine Speed Control System Operation................308
  Group 15: Diagnostic Information................300
    Yanmar Engine................316
  Group 20: Adjustments................300
    Yanmar Engine................316
  Group 25: Tests................300
    Yanmar Engine................316
Section 9015: Electrical System................317
  Group 05: System Information................317
    Electrical Diagram Information................328
  Group 10: System Diagrams................317
    Explanation of Wire Markings................337
    Fuse and Relay Specifications................338
    System Functional Schematic, Wiring Diagrams, and Component Locations Master Legend................341
    System Functional Schematic................344
    Floor Harness (W1) Component Location................349
    Floor Harness (W1) Wiring Diagram................351
    Engine Harness (W2) Component Location................353
    Engine Harness (W2) Wiring Diagram................356
    Air Conditioner Harness (W3) Component Location................359
    Air Conditioner Harness (W3) Wiring Diagram................361
    Console Harness (W4) Component Location................362
    Console Harness (W4) Wiring Diagram................363
    Cab Harness (W5) Component Location................364
    Cab Harness (W5) Wiring Diagram................365
    Auto-Shutdown Harness (W6) Component Location................366
    Auto-Shutdown Harness (W6) Wiring Diagram................367
    Auxiliary Function Lever Harness (W7) Component Location................368
    Auxiliary Function Lever Harness (W7) Wiring Diagram................369
    Air Conditioner Compressor Harness (W8) Component Location................370
    Air Conditioner Compressor Harness (W8) Wiring Diagram................371
    Boom Work Light Harness (W9) Component Location................372
    Boom Work Light Harness (W9) Wiring Diagram................373
    Canopy Work Light Harness (W13) Component Location................374
    Canopy Work Light Harness (W13) Wiring Diagram................375
    Windshield Wiper Extension Harness (W16) Component Location................376
    Windshield Wiper Extension Harness (W16) Wiring Diagram................377
    Windshield Wiper Harness (W17) Component Location................378
    Windshield Wiper Harness (W17) Wiring Diagram................379
  Group 15: Sub-System Diagnostics................318
    Controller Area Network (CAN) Theory of Operation................382
    Starting and Charging Circuit Theory of Operation................384
    Auto-Shutdown Circuit Theory of Operation................387
    Engine Control Unit (ECU) Circuit Theory of Operation................389
    Monitor Controller (DSZ) Circuit Theory of Operation................394
    Pilot Shutoff Circuit Theory of Operation................398
    Travel Speed Control and Alarm Circuit Theory of Operation................400
    Windshield Wiper and Washer Circuit Theory of Operation................403
    Lighting Circuit Theory of Operation................405
    Heating and Air Conditioning Control Circuit Theory of Operation................407
    Auxiliary Function Control Lever Circuit Theory of Operation................411
  Group 16: Monitor Operation................318
    Service Menu................415
    Monitoring................417
    Setting................419
    Trouble Code Record................421
  Group 20: References................318
    Electrical Component Specifications................424
    Reading Diagnostic Trouble Codes With Monitor Display................425
    Service ADVISOR™ Diagnostic Application................427
    Service ADVISOR™ Connection Procedure................428
    Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application................430
    Engine Speed Dial Remove and Install................433
    Alternator Test................434
    Electrical Component Checks................438
    Battery Remove and Install................446
    Monitor Controller (DSZ) Remove and Install................448
    Monitor Controller (DSZ) Replacement Calibration................451
    Engine Control Unit (ECU) Remove and Install................457
    Engine Control Unit (ECU) Replacement Calibration................459
    Fuel Pump Replacement Calibration................463
    Yanmar Display Calibration Values Test................465
    JDG1928 Interlock Switch................466
Section 9020: Power Train................467
  Group 05: Theory of Operation................467
    Track Adjuster and Recoil Spring Operation................470
    Travel Gear Case Operation................472
  Group 15: Diagnostic Information................467
    Noisy or Loose Track Chain................467
    Tight Track Chain................467
    Frequent Track Chain Sag Adjustment Required................467
    Excessive Oil Leakage From Front Idler, Track Rollers, or Carrier Rollers................467
    “Popping” of Track................467
    Individual Undercarriage Component Wear................467
    Measure Swing Bearing Wear................482
Section 9025: Hydraulic System................486
  Group 05: Theory of Operation................486
    Hydraulic System Operation................490
    Pilot System Operation................491
    Pilot Pump and Filter Operation................492
    Solenoid Valve Manifold Operation................493
    Pilot Shutoff Solenoid Valve Operation................495
    Travel Mode Solenoid Valve Operation................500
    Pilot Pressure Regulating Valve Operation................503
    Pilot Control Valve Operation................523
    Control Lever Pattern Selector Operation................507
    Travel Pilot Control Valve Operation................523
    Pilot Operation of Control Valve Operation................523
    Hydraulic Pump 1 and 2 Operation................514
    Hydraulic Pump Regulator Operation................516
    Hydraulic Pump 3 Operation................518
    Air Conditioner Torque Control Solenoid Valve Operation—If Equipped................520
    Control Valve Operation................523
    Control Valve Check Valves Operation................538
    Main Relief Valve Operation................542
    Circuit Relief and Anticavitation Valve Operation................544
    Swing Boom Make-Up Valve Operation................549
    Flow Combiner Valve Operation................551
    Auxiliary Function Control Valve Operation................555
    Boom Reduced Leakage Valve Operation................558
    Arm Regenerative Valve Operation................561
    Swing Reduction Gear Case Operation................564
    Swing Motor Operation................566
    Swing Motor Crossover Relief Valve Operation................568
    Swing Motor Crossover Relief Valve Cushion Valve Operation................571
    Swing Motor Make-Up Check Valve Operation................572
    Swing Motor Park Brake Release Circuit Operation................573
    Center Joint Operation................576
    Travel Motor and Park Brake Valve Operation................577
    Travel Motor Speed Circuit Operation................583
    Blade Circuit Operation................586
    Auxiliary Selector Valve Operation................588
    Hydraulic Cylinder Operation................590
    Return Filter Operation................591
  Group 15: Diagnostic Information................487
    All Hydraulic Functions Slow................487
    Hydraulic Oil Overheats................487
    No Hydraulic Functions................487
    Poor Combined Operation................487
    All Functions Cannot Be Operated................487
    Function Does Not Stop When Control Lever Released................487
    Some Functions Cannot Be Operated, All Others Are Normal................487
    Functions Move in Opposite Direction................487
    Arm and Boom Functions Do Not Operate or Do Not Operate as Expected................487
    All Dig Functions Slow or No Power................487
    Some Dig Functions Slow (Not All)................487
    Load Drifts Down When Control Lever is in Neutral Position................487
    Load Falls When Control Valve is Actuated to Raise Load With Engine Running at Slow Idle................487
    Arm In Speed Slow................487
    Swing Speed Slow in Both Directions................487
    Swing Speed Slow or Does Not Operate in One Direction................487
    Upperstructure Drift With Swing Valve in Neutral................487
    Swing Function Does Not Operate................487
    Travel Park Brakes Do Not Apply................487
    Track Will Not Move in One Direction................487
    Track Will Not Move in Either Direction................487
    Machine Mistracks at All Speeds in Both Directions................487
    Slow Travel Speed or Low Power................487
    Travel Speed Does Not Change to Slow Speed................487
    Combined Travel and Dig Functions Slow or No Power................487
    Travel is “Jerky”................487
    Machine Will Not Hold Back and Park Brakes Engage and Disengage When Traveling Down an Incline................488
    Machine Will Not Turn Smoothly in One Direction or Park Brake Grabs................488
    Swing Boom Does Not Move or Moves Slowly................488
    Blade Does Not Move or Moves Slowly................488
    Hydraulic System Schematic................658
    Hydraulic System Component Location................667
    Pump 1, Pump 2, Pump 3, and Pilot Pump Line Connections................676
    Control Valve Line Connections................677
    Pilot Control Line Connections................678
    Front Attachment Line Connections................680
    Travel System Line Connections................681
    Swing System Line Connections................682
    Blade System Line Connections................683
  Group 25: Tests................488
    JT02156A Digital Pressure and Temperature Analyzer Installation................685
    JT05800 Digital Thermometer Installation................686
    General Hydraulic Oil Cleanup Procedure................687
    Hydraulic Component Failure Cleanup Procedure................690
    Hydraulic Oil Tank Pressure Release Procedure................693
    Hydraulic System Warm-Up Procedure................695
    Pilot Pressure Regulating Valve Test and Adjustment................697
    Control Valve Spool Pilot Actuating Pressure Test................700
    Hydraulic Pump 1, 2, and 3 Main Relief Valve Test and Adjustment................703
    Circuit Relief and Anticavitation Valve Test and Adjustment................707
    Swing Motor Crossover Relief Valve Test and Adjustment................712
    Hydraulic Pump Flow Test................715
    Swing Motor Leakage Test................720
    Travel Motor Leakage Test................723
    Air Conditioner Torque Control Solenoid Valve Test................726
    Cylinder Drift Test—Boom, Arm, Bucket, and Blade................729
Section 9031: Heating and Air Conditioning................733
  Group 05: Theory of Operation................733
    Air Conditioning System Cycle of Operation................736
  Group 15: Diagnostic Information................733
    Air Conditioning System Does Not Operate................733
    No Air Flow From Heater and Air Conditioner Vents................733
    Air Conditioning Does Not Cool Interior of Cab................733
    Air Conditioning Runs Constantly, Too Cold................733
    Interior Windows Continue to Fog Using Air Conditioner................733
    Heater System Does Not Operate................733
    Heater Does Not Warm Interior of Cab................733
    Interior Windows Continue to Fog Using Heater................733
    Heater and Air Conditioner Component Location................763
  Group 25: Tests................733
    R134a Refrigerant Cautions and Proper Handling................766
    Heater and Air Conditioner Operational Checks................767
    Refrigerant Leak Test................770
    Air Conditioner Compressor Clutch Test................771
    Refrigerant Hoses and Tubing Inspection................772
    Air Conditioner Compressor Belt Check................773
    R134a Air Conditioning System Test................774
    Operating Pressure Diagnostic Chart................777
    
John Deere 30G Excavator Diagnosis and Test Service Technical Manual (TM14234X19)