John Deere 450DLC Excavator Workshop Service Repair manual with Electrical Wiring Diagrams (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnosis & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

John Deere 450DLC Excavator manual contains high quality images, circuit diagrams, instructions to help you to maintenance, troubleshoot, diagnose, and repair. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.

TM2361 - John Deere 450DLC Excavator Technical Manual (Operation & Test).pdf
TM2361 - John Deere 450DLC Excavator Technical Manual (Operation & Test).epub

TABLE OF CONTENTS / FILE LIST:
Section 9000: General Information....19
  Group 01: Safety....19
    Recognize Safety Information....21
    Follow Safety Instructions....22
    Operate Only If Qualified....23
    Wear Protective Equipment....24
    Avoid Unauthorized Machine Modifications....25
    Add Cab Guarding for Special Uses....26
    Inspect Machine....27
    Stay Clear of Moving Parts....28
    Avoid High-Pressure Oils....29
    Beware of Exhaust Fumes....30
    Prevent Fires....31
    Prevent Battery Explosions....32
    Handle Chemical Products Safely....33
    Dispose of Waste Properly....34
    Prepare for Emergencies....35
    Use Steps and Handholds Correctly....36
    Start Only From Operator's Seat....37
    Use and Maintain Seat Belt....38
    Prevent Unintended Machine Movement....39
    Avoid Work Site Hazards....40
    Keep Riders Off Machine....42
    Avoid Backover Accidents....43
    Avoid Machine Tip Over....44
    Use Special Care When Lifting Objects....46
    Add and Operate Attachments Safely....47
    Prevent Unintended Detonation of Explosive Devices....48
    Park and Prepare for Service Safely....49
    Service Cooling System Safely....50
    Remove Paint Before Welding or Heating....51
    Make Welding Repairs Safely....52
    Drive Metal Pins Safely....53
Section 9001: Diagnostics....54
  Group 10: Main Controller (MCF) Diagnostic Trouble Codes....61
    Main Controller (MCF) Diagnostic Trouble Codes....61
    11000.02 - Abnormal EEPROM....54
    11001.02 - Abnormal RAM....54
    11002.02 - Abnormal A/D Conversion....54
    11003.03 - Abnormal Sensor Voltage....54
    11004.02 - CAN Communication Error....54
    11101.03 - Engine Speed Dial Sensor Circuit Voltage High Input....54
    11101.04 - Engine Speed Dial Sensor Circuit Voltage Low Input....54
    11200.03 - Pump 1 Delivery Pressure Sensor Circuit Voltage High....54
    11200.04 - Pump 1 Delivery Pressure Sensor Voltage Low....54
    11202.03 - Pump 2 Delivery Pressure Sensor Circuit Voltage High....54
    11202.04 - Pump 2 Delivery Pressure Sensor Voltage Low....54
    11301.03 - Swing Pilot Pressure Sensor Circuit Voltage High....54
    11301.04 - Swing Pilot Pressure Sensor Circuit Voltage Low....54
    11302.03 - Boom Raise Pilot Pressure Sensor Circuit Voltage High....54
    11302.04 - Boom Raise Pilot Pressure Sensor Circuit Voltage Low....54
    11303.03 - Arm Roll-in Pilot Pressure Sensor Circuit Voltage High....54
    11303.04 - Arm Roll-in Pilot Pressure Sensor Circuit Voltage Low....54
    11400.03 - Pump 2 (5-Spool) Control Solenoid Valve Feedback Current High....54
    11400.04 - Pump 2 (5-Spool) Control Solenoid Valve Feedback Current Low....54
    11402.03 - Boom Flow Rate Solenoid (SF) Valve Feedback Current High....54
    11402.04 - Boom Flow Rate Solenoid (SF) Valve Feedback Current Low....54
    11404.03 - Power Dig Solenoid (SG) Valve Feedback Current High....54
    11404.04 - Power Dig Solenoid (SG) Valve Feedback Current Low....54
    11405.03 - Travel Speed Solenoid (SI) Valve Current Feedback High....54
    11405.04 - Travel Speed Solenoid (SI) Valve Current Feedback Low....54
    11410.03 - Pump 1 (4-Spool) Control Solenoid Valve Feedback Current High....54
    11410.04 - Pump 1 (4-Spool) Control Solenoid Valve Feedback Current Low....54
    11412.03 - Hydraulic Fan Pump Control Solenoid Valve Feedback Current High....54
    11412.04 - Hydraulic Fan Pump Solenoid Valve Feedback Current Low....54
    11802.03 - Boom Bottom Pressure Sensor Circuit Voltage High....54
    11802.04 - Boom Bottom Pressure Sensor Circuit Voltage Low....55
    11901.03 - Hydraulic Oil Temperature Sensor Circuit Voltage High....55
    11901.04 - Hydraulic Oil Temperature Sensor Circuit Voltage Low....55
    11910.02 - Actual Engine Speed Message Error....55
    11911.02 - Security Signal Message Error....55
    11914.02 - Radiator Coolant Temperature Message Error....55
    11918.02 - Work Mode Message Error....55
    11920.02 - Fuel Flow Rate Message Error....55
    11976.03 - Auxiliary Valve 2 Feedback Current High....55
    11976.04 - Auxiliary Valve 2 Feedback Current Low....55
    11977.03 - Auxiliary Valve 1 Feedback Current High....55
    11977.04 - Auxiliary Valve 1 Feedback Current Low....55
    11980.03 - ATT Relief Change Valve Feedback Current High....55
    11980.04 - ATT Relief Change Valve Feedback Current Low....55
    11981.03 - Fan Reversing Solenoid Valve 2 Feedback Current High....55
    11981.04 - Fan Reversing Solenoid Valve 2 Feedback Current Low....55
    11982.03 - Fan Reversing Solenoid Valve 1 Feedback Current High....55
    11982.04 - Fan Reversing Solenoid Valve 1 Feedback Current Low....55
    11983.02 - Intake Air Temperature Message Error....55
    11984.02 - Boost Temperature Message Error....55
    11989.03 - Boom Mode Solenoid (SC) Valve Feedback Current High....55
    11989.04 - Boom Mode Solenoid (SC) Valve Feedback Current Low....55
    11991.03 - Travel Right Pilot Pressure Sensor Circuit Voltage High....55
    11991.04 - Travel Right Pilot Pressure Sensor Circuit Voltage Low....55
    11992.03 - Pump 2 (5-Spool) Control Pressure Sensor Circuit Voltage High....55
    11992.04 - Pump 2 (5-Spool) Control Pressure Sensor Circuit Voltage Low....55
    11993.03 - Travel Left Pilot Pressure Sensor Circuit Voltage High....55
    11993.04 - Left Travel Pilot Pressure Sensor Circuit Low Input....55
    11994.03 - Pump 1 (4-Spool) Control Pressure Sensor Circuit Voltage High....55
    11994.04 - Pump 1 (4-Spool) Control Pressure Sensor Circuit Voltage Low....55
    11995.03 - Arm Roll-Out Pilot Pressure Sensor Circuit Voltage High....55
    11995.04 - Arm Roll-Out Pilot Pressure Sensor Circuit Low Input....55
    11997.03 - Bucket Dump Pilot Pressure Sensor Circuit Voltage High....55
    11997.04 - Bucket Dump Pilot Pressure Sensor Circuit Voltage Low....56
    11998.03 - Boom Down Pilot Pressure Sensor Circuit Voltage High....56
    11998.04 - Boom Down Pilot Pressure Sensor Circuit Voltage Low....56
    11999.03 - Bucket Curl Pilot Pressure Sensor Circuit Voltage High....56
    11999.04 - Bucket Curl Pilot Pressure Sensor Circuit Voltage Low....56
  Group 20: Engine Control Module (ECM) Diagnostic Trouble Codes....280
    Engine Control Module (ECM) Diagnostic Trouble Codes....280
    91.02 - Accelerator Sensor 1-2 Comparison (P1271)....56
    100.03 - Engine Oil Pressure Sensor Voltage Low (P0522)....56
    100.04 - Engine Oil Pressure Sensor Voltage High (P0523)....56
    102.03 - Boost Pressure Sensor Voltage Low (P0237)....56
    102.04 - Boost Pressure Sensor Voltage High (P0238)....56
    105.03 - Boost Temperature Sensor Voltage High (P1113)....56
    105.04 - Boost Temperature Sensor Voltage Low (P1112)....56
    108.03 - Barometric Pressure Sensor Voltage Low (P0107)....56
    108.04 - Barometric Pressure Sensor Voltage High (P0108)....56
    110.03 - Engine Coolant Temperature Sensor Voltage High (P0118)....56
    110.04 - Engine Coolant Temperature Sensor Voltage Low (P0117)....56
    157.00 - Common Rail Pressure—First Stage (P088)....56
    157.00 - Common Rail Pressure—Second Stage (P088)....56
    157.02 - Common Rail Pressure High (P0089)....56
    157.03 - Common Rail Pressure Sensor Voltage High (P0193)....56
    157.04 - Common Rail Pressure Sensor Voltage Low (P0192)....56
    172.03 - Intake Air Temperature Sensor Voltage High (P0113)....56
    172.04 - Intake Air Temperature Sensor Voltage Low (P0112)....56
    174.03 - Fuel Temperature Sensor Voltage High (P0183)....56
    174.04 - Fuel Temperature Sensor Voltage Low (P0182)....56
    190.00 - Engine Overspeed (P0219)....56
    628.02 - ROM Malfunction (P0601)....56
    633.07 - Pressure Limiter Open (P1095)....56
    636.02 - Camshaft Position Sensor (G-Sensor) Signal Missing (P0340)....56
    636.02 - Camshaft Position Sensor (G-Sensor) Signal Mismatch (P0341)....56
    636.07 - Camshaft Position Sensor (G-Sensor) out of Phase (P1345)....56
    639.02 - CAN Communication Error (U2104)....57
    639.03 - CAN Timeout (U2106)....57
    651.03 - Open Circuit in Injection Nozzle #1 (P0201)....57
    652.03 - Open Circuit in Injection Nozzle #2 (P0202)....57
    653.03 - Open Circuit in Injection Nozzle #3 (P0203)....57
    654.03 - Open Circuit in Injection Nozzle #4 (P0204)....57
    655.03 - Open Circuit in Injection Nozzle #5 (P0205)....57
    656.03 - Open Circuit in Injection Nozzle #6 (P0206)....57
    723.02 - Crankshaft Position Sensor Signal Missing (P0335)....57
    723.02 - Crankshaft Sensor Mismatch (P0336)....57
    987.03 - Check Engine Lamp Malfunction (P0650)....57
    1077.02 - CPU Fault Malfunction (P0606)....57
    1079.02 - 5 Volt Power Supply #1 Malfunction (P1631)....57
    1080.02 - 5 Volt Power Supply #2 Malfunction (P1632)....57
    1239.01 - No Pump Pressure—First Stage (P1094)....57
    1240.01 - No Pump Pressure Feed—Second Stage (P1093)....57
    1347.00 - PCV #1 Open Circuit or Short to Ground (P0092)....57
    1347.04 - PCV #1 Short to Power (P0091)....57
    1348.00 - PCV # 2 Open Circuit or Short to Ground (P1291)....57
    1348.04 - PCV #2 Short to Power (P1292)....57
    1381.03 - Fuel Filter Pressure Sensor Voltage High (P1294)....57
    1381.04 - Fuel Filter Pressure Sensor Voltage Low (P1293)....57
    1485.02 - Engine Control Module Relay Malfunction (P1625)....57
    10001.03 - EGR Position Sensor Malfunction (P0487)....57
    10002.02 - EGR Valve Control Malfunction (P0488)....57
    10003.02 - Injection Nozzle Common #1 Malfunction (P1261)....57
    10004.02 - Injection Nozzle Common #2 Malfunction (P1262)....57
    10005.01 - Charge Circuit Malfunction—Bank 1 (P0611)....57
    10006.01 - Charge Circuit Malfunction—Bank 2 (P0612)....57
    10007.02 - CPU Monitoring IC Malfunction (P0606)....57
    10008.02 - A/D Conversion Malfunction (P1630)....57
    10009.02 - 5 Volt Power Supply #3 Malfunction (P1633)....57
    10010.02 - 5 Volt Power Supply #4 Malfunction (P1634)....57
    10011.02 - 5 Volt Power Supply #5 Malfunction (P1635)....58
    10013.02 - EEPROM Malfunction (P0603)....58
    20100.02 - Engine Coolant Temperature High....58
  Group 30: Information Controller (ICF) Diagnostic Trouble Codes....344
    Information Controller (ICF) Diagnostic Trouble Codes....344
    14000.02 - Abnormal CAN Communication....58
    14001.02 - ICF: Flash Memory: Read/Write Error....58
    14002.02 - ICF: External RAM: Read/Write Error....58
    14003.02 - ICF: EEPROM: Sum Check Error....58
    14006.02 - ICF: Satellite Communication Terminal: Communication Error....58
    14008.02 - ICF: Abnormal Internal RAM....58
    14100.02 - Satellite Communication Terminal: Abnormal EEPROM....58
    14101.02 - Satellite Communication Terminal: Abnormal IB/OB Queue....58
    14102.02 - Satellite Communication Terminal: Abnormal Local Loop Back....58
    14103.02 - Satellite Communication Terminal: The satellite is not found....58
    14104.02 - Satellite Communication Terminal: Fail 1 of Remote Loop Back....58
    14105.02 - Satellite Communication Terminal: Fail 2 of Remote Loop Back....58
    14106.02 - Satellite Communication Terminal: Sending and receiving data are mismatched....58
  Group 40: Air Conditioner Controller (ACF) Diagnostic Trouble Codes....375
    Air Conditioner Controller (ACF) Diagnostic Trouble Codes....375
    E11 - Cab Air Temperature Sensor Open Circuit....58
    E12 - Cab Air Temperature Sensor Short Circuit....58
    E13 - Ambient Air Temperature Sensor Open Circuit....58
    E14 - Ambient Air Temperature Sensor Short Circuit....58
    E15 - Coolant Temperature Sensor Open Circuit....58
    E16 - Coolant Temperature Sensor Short Circuit....58
    E18 - Solar Sensor Abnormal....58
    E21 - Freeze Control Switch Open Circuit....58
    E22 - Freeze Control Switch Short Circuit....58
    E43 - Abnormal Damper....58
    E44 - Abnormal Damper....58
    E45 - Abnormal Damper....58
    E51 - Abnormal High/Low Pressure Switch....58
  Group 50: Monitor Controller (MON) Diagnostic Trouble Codes....392
    Monitor Controller (MON) Diagnostic Trouble Codes....392
    13303.02 - Abnormal Thermister Temperature....59
    13304.02 - Abnormal REG Input H Level....59
    13306.02 - Abnormal EEPROM....59
    13308.02 - Abnormal CAN Communication....59
    13310.02 - Shorted circuit in Coolant Temperature Sensor....59
    13311.03 - Shorted circuit in Fuel Level Sensor....59
    13311.04 - Open circuit in Fuel Level Sensor....59
    20105.2 - Hydraulic Oil Filter Restriction Alarm....59
Section 9005: Operational Checkout Procedure....418
  Group 10: Operational Checkout Procedure....418
    Operational Checkout....469
Section 9010: Engine....519
  Group 05: Theory of Operation....519
    Engine Component Location....523
    Engine Fuel System Operation....525
    Engine Cooling System Operation....531
    Engine Lubrication System Operation....532
    Engine Intake and Exhaust System Operation....534
    Engine Turbocharger Operation....536
    Exhaust Gas Recirculation (EGR) Operation....538
    Quick On Start (QOS) System Operation....540
    Engine Speed Control System Operation....541
  Group 15: Diagnostic Information....519
    Isuzu AH-6WG1XYSA-01....545
    Diagnose Engine Malfunctions....546
    Engine Cranks But Will Not Start....519
    Engine Misfires Or Runs Irregularly....519
    Engine Does Not Develop Full Power....519
    Engine Overheats....519
    Auto-Idle Does Not Work....519
    Coolant Temperature Too Low....519
    Coolant in Oil or Oil in Coolant....519
    Low Engine Oil Pressure....519
    High Engine Oil Pressure....519
    Engine Uses Too Much Oil....519
    Engine Uses Too Much Fuel....519
    Engine Emits Excessive White Exhaust Smoke....519
    Engine Emits Excessive Black or Gray Exhaust Smoke....519
    Turbocharger Excessively Noisy or Vibrates....519
    Oil Dripping From Turbocharger Adapter....519
    Excessive Drag in Turbocharger Rotating Members....519
    Fuel In Oil....519
  Group 25: Tests....519
    Serpentine Belt Tension Check....591
    Check and Adjust Injection Pump Timing....592
    Engine Valve Lash (Clearance) Check and Adjust....597
    Engine Compression Pressure Test....601
    Air Filter Restriction Indicator Switch Test....603
    Air Intake System Leakage Test....605
    Engine Power Test Using Turbocharger Boost Pressure....607
    Engine Oil Pressure Test....610
Section 9015: Electrical System....612
  Group 05: System Information....612
    Electrical Diagram Information....624
  Group 10: System Diagrams....612
    Explanation of Wire Markings....633
    Fuse and Relay Specifications....634
    System Functional Schematic, Wiring Diagram, and Component Location Master Legend....638
    System Functional Schematic....646
    Cab Harness (W1) Component Location....655
    Cab Harness (W1) Wiring Diagram....657
    Machine Harness (W2) Component Location....663
    Machine Harness (W2) Wiring Diagram....665
    Monitor Harness (W3) Component Location....670
    Monitor Harness (W3) Wiring Diagram....671
    Engine Harness (W4) Component Location....672
    Engine Harness (W4) Wiring Diagram....676
    Engine Interface Harness (W5) Component Location....678
    Engine Interface Harness (W5) Wiring Diagram....679
    Air Conditioner Harness (W6) Component Location....681
    Air Conditioner Harness (W6) Wiring Diagram....683
    Control Valve Harness (W7) Component Location....684
    Control Valve Harness (W7) Wiring Diagram....686
    Pump Harness (W8) Component Location....688
    Pump Harness (W8) Wiring Diagram....690
    Auxiliary Fuse Box Harness (W9) Component Location....691
    Auxiliary Fuse Box Harness (W9) Wiring Diagram....693
    Cab Switch Harness (W10) Component Location....695
    Cab Switch Harness (W10) Wiring Diagram....696
    Pilot Shutoff Switch Harness (W11) Component Location....697
    Pilot Shutoff Switch Harness (W11) Wiring Diagram....698
    Heated Air Seat Harness (W12) Component Location....699
    Heated Air Seat Harness (W12) Wiring Diagram....701
    Seat Heater Switch Harness (W13) Component Location....702
    Seat Heater Switch Harness (W13) Wiring Diagram....703
    Multi-Function Pilot Control Lever Harness (W14) Component Location....704
    Multi-Function Pilot Control Lever Harness (W14) Wiring Diagram....706
    Travel Alarm Cancel Switch Harness (W15) Component Location....707
    Travel Alarm Cancel Switch Harness (W15) Wiring Diagram....708
    Reversing Fan Switch Harness (W16) Component Location....709
    Reversing Fan Switch Harness (W16) Wiring Diagram....710
    Pilot Shutoff Valve Harness (W17) Component Location....711
    Pilot Shutoff Valve Harness (W17) Wiring Diagram....712
    Service Advisor Connector Harness (W22) Component Location....713
    Service Advisor Connector Harness (W22) Wiring Diagram....715
    JDLink™ System Harnesses Component Location—MIG/GTT....717
    JDLink™ System Harnesses Component Location—MTG/SAT....719
    JDLink™ System Wiring Diagrams—MIG/GTT....721
    JDLink™ System Wiring Diagrams—MTG/SAT....726
  Group 15: Sub-System Diagnostics....613
    Controller Area Network (CAN) Theory of Operation....729
    Starting and Charging Circuit Theory of Operation....731
    Quick On System (QOS) Preheat Circuit Theory of Operation....734
    Monitor Circuit Theory of Operation....736
    Engine Control Module (ECM) Circuit Theory of Operation....742
    Main Controller (MCF) Circuit Theory of Operation....747
    Information Controller (ICF) Theory of Operation....764
    Travel Alarm Circuit Theory of Operation....765
    Windshield Wiper and Washer Circuit Theory of Operation....767
    Pilot Shutoff Circuit Theory of Operation....770
    JDLink™ Circuit Theory of Operation—If Equipped....773
  Group 16: Monitor Operation....613
    Monitor Menu Operation....777
    Monitor Service Menu Operation....778
  Group 20: References....613
    Monitor Data Items....782
    Monitor Data Items Using the Monitor Display....784
    Reading Diagnostic Trouble Codes With Monitor Display....786
    JDLink™ System Identification....788
    JDLink™ Connection Procedure....791
    Service ADVISOR™ Diagnostic Application....792
    Service ADVISOR™ Connection Procedure....793
    Reading Diagnostic Trouble Codes With Service ADVISOR™ Diagnostic Application....794
    MPDr Application....797
    MPDr Connection Procedure....798
    Service ADVISOR™ Interactive Tests....800
    Information Controller (ICF) Recorded Data....801
    Pump Learning Procedure....804
    Fuse Test....806
    Relay Test....810
    Pressure Sensor Test....811
    Solenoid Test....813
    Proportional Solenoid Test....814
    Alternator Test....815
    Electrical Component Checks....817
    Battery Remove and Install....828
    Rear Cover Remove and Install....831
    Main Controller (MCF) Remove and Install....833
    Engine Control Module (ECM) Remove and Install....834
    Information Controller (ICF) Remove and Install....836
    Monitor Controller Remove and Install....837
    Key Switch Remove and Install....840
    Switch Panel Remove and Install....842
    Travel Alarm Remove and Install....844
    Left Console Switch Remove and Install....845
    Disconnect Tab Retainer Connectors....846
    Disconnecting Spring Wire Clip Connectors....847
    Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors....614
    Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors....614
    Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact....615
    Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector....615
    Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact....615
    Replace (Pull Type) Metri-Pack™ Connectors....858
    Replace (Push Type) Metri-Pack™ Connectors....860
    Replace CINCH CINCH is a trademark of the Cinch Co. Connectors....615
    Install CINCH CINCH is a trademark of the Cinch Co. Contact....615
    Repair 32 and 48 Way CINCH CINCH is a trademark of the Cinch Co. Connectors....615
    Remove Connector Body from Blade Terminals....869
Section 9020: Power Train....870
  Group 05: Theory of Operation....870
    Track Adjuster and Recoil Spring Operation....872
    Travel Gearbox Operation....873
  Group 15: Diagnostic Information....870
    Diagnose Undercarriage Components Malfunctions....870
    Measure Swing Bearing Wear....893
Section 9025: Hydraulic System....897
  Group 05: Theory of Operation....897
    Hydraulic System Diagram and Operation....903
    Fan Drive System Diagram and Operation....905
    Pilot System Diagram and Operation....908
    Pilot Pump, Pressure Regulating Valve, and Filter Operation....911
    Pilot Check Valve Manifold and Accumulator Operation....913
    Boom Lowering With Engine Stopped Circuit Operation....915
    Pilot Shutoff Solenoid Valve Operation....917
    Pilot Control Valve Operation....954
    Travel Pilot Control Valve Operation....954
    Boom Up Shockless Valve Operation....926
    Pilot Signal Manifold Operation....927
    Pilot Operation of Control Valve Operation....954
    Pump 1 and 2, Fan Drive Pump, and Gearbox Operation....938
    Pump 1 and 2 Regulator Operation....941
    Fan Drive Pump Regulator Operation....945
    Control Valve Operation....954
    Control Valve Check Valves Identification and Operation....968
    Main Relief and Power Digging Valve Circuit Operation....972
    Circuit Relief and Anticavitation Valve Operation....977
    Arm Make-Up Check Valve Operation....979
    Travel Flow Combiner Valve Circuit Operation....981
    Boom Regenerative Valve Circuit Operation....984
    Arm Regenerative Valve Circuit Operation....986
    Bucket Regenerative Valve Circuit Operation....989
    Boom and Arm Reduced Leakage Valves Operation....994
    Boom Flow Rate Circuit Operation....998
    Arm 2 Flow Rate Circuit Operation....1004
    Boom Mode Circuit Operation....1007
    Counterweight Removal Circuit Operation....1010
    Swing Gearbox Operation....1011
    Swing Motor and Park Brake Circuit Operation....1012
    Swing Motor Park Brake Release Circuit Operation....1016
    Center Joint Operation....1017
    Travel Motor and Park Brake Circuit Operation....1018
    Travel Motor Speed Circuit Operation....1020
    Boom, Arm, and Bucket Cylinder Operation....1022
    Counterweight Removal Cylinder Operation....1024
    Return Filter Operation....1025
    Auxiliary System Operation....1027
    Secondary Auxiliary Relief Valve Operation....1028
    Selector Valve Operation....1030
    Auxiliary High Flow Hydraulics Accumulator Kit....1032
    Auxiliary High Flow Line Kit Operation....1034
    Two-Way Solenoid Kit Operation....1037
    Two-Way Hydraulic Foot Pedal Control Kit....1040
  Group 15: Diagnostic Information....898
    Diagnose No Hydraulics Malfunctions....898
    Diagnose All Hydraulics Slow Malfunctions....898
    Diagnose All Hydraulic Functions Too Fast Malfunctions....898
    Diagnose Hydraulic Overheating Malfunctions....898
    Diagnose Fan Drive Hydraulic System Malfunctions....898
    Diagnose Pilot Circuit Malfunctions....898
    Diagnose Dig Circuit Malfunctions....898
    Diagnose Swing Circuit Malfunctions....898
    Diagnose Travel Circuit Malfunctions....898
    Diagnose Counterweight Removal System Malfunctions....898
    Diagnose Auto Lubrication System Malfunctions....898
    Pump 1, Pump 2 and Pilot Pump Line Identification....1158
    Control Valve Line Identification....1160
    Swing Motor Line Identification....1163
    Control Lever Pattern Conversion....1165
    Pilot Control Valve-to-Pilot Signal Manifold Component Location—Excavator Pattern....1170
    Pilot Control Valve-to-Pilot Signal Manifold Component Location—Backhoe Pattern....1172
    Pilot Signal Manifold-to-Control Valve Line Connections....1174
    Travel Hydraulic System Component Location....1182
    Travel Hydraulic System Line Connection....1178
    Fan Drive Hydraulic System Component Location....1182
    Fan Drive Hydraulic System Line Connections....1184
    Hydraulic System Component Location....1182
    Hydraulic System Line Connections....1184
    Counterweight Removal Hydraulic System Component Location....1185
    Counterweight Removal Hydraulic System Line Connections....1186
    Hydraulic System Schematic....1187
    Auxiliary Attachment Schematic....1203
  Group 25: Tests....899
    Hydraulic Test Port Location....1210
    JT05800 Digital Thermometer Installation....1211
    JT02156A Digital Pressure/Temperature Analyzer Installation....1212
    Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy....1213
    Hydraulic Oil Warm-Up Procedure....1215
    Pilot Pressure Regulating Valve Test and Adjustment....1218
    Control Valve Spool Actuating Pilot Pressure Test....1222
    Power Dig Solenoid Valve (port SG) Test and Adjustment....1225
    Travel Speed Solenoid Valve (port SI) Test and Adjustment....1230
    Boom Mode Solenoid Valve (port SC) Test and Adjustment....1235
    Boom Flow Rate Solenoid Valve (port SF) Test and Adjustment....1240
    Main Relief and Power Digging Valve Test and Adjustment....1245
    Circuit Relief Valve Test and Adjustment....1251
    Boom Mode Relief Valve Test and Adjustment....1257
    Pump Servo Piston Minimum Flow Test and Adjustment....1262
    Pump Servo Piston Maximum Flow Test and Adjustment....1266
    Pump Flow Rate (Displacement) Test and Adjustment....1270
    Swing Motor Crossover Relief Valve Test and Adjustment....1272
    Travel Motor Crossover Relief Valve Test and Adjustment....1277
    Swing Motor Leakage Test....1281
    Travel Motor Leakage Test....1287
    Cylinder Drift Test—Arm, Boom, and Bucket....1290
    Pump Flow Test....1293
    Fan Speed Test....1298
    Fan Motor Case Drain Test....1300
    Fan Drive Pump Flow Test....1303
    Fan Drive System Relief Valve Test and Adjustment....1307
    Fan Drive Pump Servo Piston Minimum Flow Test and Adjustment....1311
    Fan Drive Pump Servo Piston Maximum Flow Test and Adjustment....1313
    Fan Drive Pump Flow Rate Test and Adjustment....1315
    Fan Drive Pump Torque Control Test and Adjustment....1317
Section 9031: Heating and Air Conditioning System....1319
  Group 05: Theory Of Operation....1319
    Air Conditioning System Cycle of Operation....1322
  Group 15: Diagnostic Information....1319
    Diagnose Air Conditioning System Malfunctions....1327
    Diagnose Heating System Malfunctions....1330
    Air Conditioner and Heater Diagnostic Trouble Code Check....1332
    Heater and Air Conditioner Component Location....1333
  Group 25: Tests....1319
    Refrigerant Cautions and Proper Handling....1335
    Heating and Air Conditioning Operational Checks....1336
    R134a Air Conditioning System Test....1340
    Air Conditioner Compressor Clutch Test....1341
    Refrigerant Leak Test....1342
    Refrigerant Hoses and Tubing Inspection....1343
    Air Conditioner Compressor Belt Check and Adjustment....1344
    Operating Pressure Diagnostic Chart....1345
Section 9050: Reference Material....1347
  Group 05: Terminology Cross Reference Chart....1350
    Terminology Cross Reference Chart....1350

John Deere 450DLC Excavator Operation & Test Workshop Manual - TM2361