John Deere Skid Steer & Compact Track Loaders 319E, 323E (EH Controls) 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.

This 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.

TM13087X19 - John Deere Skid Steer & Compact Track Loaders 319E, 323E (EH Controls) Technical Manual (Operation and Test).pdf
tm13087x28 - John Deere 319E et 323E Chargeur compact à chenilles (Commandes EH).pdf

Category: Operation and Test
Language: English French
Published on 2019/10/16

TABLE OF CONTENTS
Section 9000: General Information....23
  Group 01: Safety....23
    Recognize Safety Information....26
    Follow Safety Instructions....27
    Operate Only If Qualified....28
    Wear Protective Equipment....29
    Avoid Unauthorized Machine Modifications....30
    Inspect Machine....31
    Stay Clear of Moving Parts....32
    Avoid High-Pressure Fluids....33
    Avoid High-Pressure Oils....34
    Work In Ventilated Area....35
    Prevent Fires....36
    Prevent Battery Explosions....37
    Handle Chemical Products Safely....38
    Decommissioning — Proper Recycling and Disposal of Fluids and Components....39
    Prepare for Emergencies....40
    Clean Debris from Machine....41
    Use Steps and Handholds Correctly....42
    Start Only From Operator's Seat....43
    Use and Maintain Seat Belt....44
    Prevent Unintended Machine Movement....45
    Avoid Work Site Hazards....46
    Keep Riders Off Machine....48
    Avoid Backover Accidents....49
    Avoid Machine Tip Over....50
    Operating On Slopes....51
    Operating or Traveling On Public Roads....52
    Inspect and Maintain ROPS....53
    Add and Operate Attachments Safely....54
    Park and Prepare for Service Safely....55
    Service Cooling System Safely....56
    Remove Paint Before Welding or Heating....57
    Make Welding Repairs Safely....58
    Drive Metal Pins Safely....59
    Handle Cab Door Safely....60
Section 9001: Diagnostic Trouble Codes (DTCs)....61
  Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes....71
    Engine Control Unit (ECU) Diagnostic Trouble Codes....71
    000029.00 - Foot Throttle....61
    000029.01 - Foot Throttle....61
    000029.02 - Foot Throttle....61
    000029.03 - Foot Throttle....61
    000029.04 - Foot Throttle....61
    000029.08 - Foot Throttle....61
    000029.15 - Foot Throttle....61
    000091.00 - Acceleration / Sensor 1....61
    000091.01 - Acceleration / Sensor 1....61
    000091.02 - Acceleration / Sensor 1....61
    000091.03 - Acceleration / Sensor 1....61
    000091.04 - Acceleration / Sensor 1....61
    000091.15 - Acceleration / Sensor 1....61
    000100.01 - Oil Pressure Switch....61
    000100.04 - Oil Pressure Switch....61
    000167.01 - Charging System Voltage Extremely Low....61
    000167.04 - Charging System Voltage Out of Range Low....61
    000639.12 - Communication System....61
    001202.02 - Anti Theft Password Representation....61
    001485.04 - Main Relay / ECU....61
    001485.07 - Main Relay / ECU....61
    522242.02 - Cold Start Aid Solenoid....61
    522242.03 - Cold Start Aid Solenoid....61
    522242.04 - Cold Start Aid Solenoid....61
    522243.02 - Start Assist / Relay....61
    522243.03 - Start Assist / Relay....61
    522243.04 - Start Assist / Relay....61
    522243.05 - Start Assist / Relay....61
    522243.06 - Start Assist / Relay....61
    522323.00 - Air Filter Pressure Differential Extremely High....61
    522402.04 - Auxiliary Speed Sensor....62
    522596.09 - ECU Communication Fault....62
    522597.09 - ECU Communication Fault....62
    522599.09 - ECU Communication Fault....62
    522600.09 - ECU Communication Fault....62
    522601.09 - ECU Communication Fault....62
    522609.09 - ECU Communication Fault....62
    522618.09 - ECU Communication Fault....62
    522619.09 - ECU Communication Fault....62
    522730.12 - Vehicle Immobilizer System CAN Communication Error....62
  Group 20: Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes....169
    Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes....169
    000070.02 - Park Brake / Release Input....62
    000070.04 - Park Brake / Release Input....62
    000096.03 - Fuel Level / Sensor....62
    000096.04 - Fuel Level / Sensor....62
    000158.00 - System Voltage....62
    000158.01 - System Voltage....62
    000162.04 - 2-Speed / Switch Input....62
    000234.14 - Software Mismatch....62
    000920.05 - Alarm Output....62
    000920.06 - Alarm Output....62
    001196.11 - Anti Theft....62
    001504.04 - Seat Switch / Input....62
    002000.09 - No ECU Data / On CAN Bus....62
    002142.09 - No SSM Data / On CAN Bus....62
    002228.09 - No HCU Data / On CAN Bus....62
    003413.04 - Door Switch / Input....62
    003597.03 - 5 Volt Sensor / Supply 1....62
    003597.04 - 5 Volt Sensor / Supply 1....62
    521050.04 - Aux Flow On-Off / Switch Input....62
    521197.04 - Courtesy Light / Switch Input....62
    522379.05 - Park Brake / Release Output....62
    522379.06 - Park Brake / Release Output....63
    522398.02 - Park Brake Run / Switch Input....63
    522398.04 - Park Brake Run / Switch Input....63
    522826.00 - Fan Purge / Switch Input....63
    522826.04 - Fan Purge / Switch Input....63
    522827.04 - Fan Auto / Switch Input....63
    522828.03 - Creep Mode/ Switch Input....63
    522828.04 - Creep Mode/ Switch Input....63
    522828.07 - Creep Mode/ Switch Input....63
    522859.04 - Lap Bar/ Switch Input....63
    523217.06 - Hydraulic Valve / Power 3 to HCU....63
    523218.06 - Propel Valve / Power 2 to HCU....63
    523219.06 - Hydraulic Valve / Power Output....63
    523693.03 - Aux Hyd / Channel 1 Input....63
    523693.04 - Aux Hyd / Channel 1 Input....63
    523694.03 - Aux Hyd / Channel 2 Input....63
    523694.04 - Aux Hyd / Channel 2 Input....63
    523694.12 - Aux Hyd / Channel 2 Input....63
    523822.04 - High Flow / Switch Input....63
    523935.05 - Aux Hyd / Extend Output....63
    523935.06 - Aux Hyd / Extend Output....63
    523941.05 - Aux Hyd / Retract Output....63
    523941.06 - Aux Hyd / Retract Output....63
    523948.05 - Ride Control 1 / Solenoid Current....63
    523948.06 - Ride Control 1 / Solenoid Current....63
    523949.05 - Ride Control 2 / Solenoid Current....63
    523949.06 - Ride Control 2 / Solenoid Current....63
    524225.04 - Remote Start / Input....63
    524264.11 - Checksum Error....63
  Group 30: Hydraulic Control Unit (HCU) Diagnostic Trouble Codes....307
    Hydraulic Control Unit (HCU) Diagnostic Trouble Codes....307
    000630.13 - Cal Missing / Or Incomplete....63
    001594.00 - Left Speed / Sensor Input....63
    001594.01 - Left Speed / Sensor Input....64
    001594.02 - Left Speed / Sensor Input....64
    001594.14 - Left Speed / Sensor Input....64
    001595.00 - Right Speed / Sensor Input....64
    001595.01 - Right Speed / Sensor Input....64
    001595.02 - Right Speed / Sensor Input....64
    001595.14 - Right Speed / Sensor Input....64
    002201.09 - Right Joystick / CAN Data....64
    002213.09 - Left Joystick / CAN Data....64
    002660.07 - Right Joystick / X-Axis....64
    002661.07 - Right Joystick / Y-Axis....64
    002697.07 - Left Joystick / X-Axis....64
    002698.07 - Left Joystick / Y-Axis....64
    516193.03 - Left Foot Pedal / Signal 1....64
    516193.04 - Left Foot Pedal / Signal 1....64
    516193.07 - Left Foot Pedal / Signal 1....64
    516193.16 - Left Foot Pedal / Signal 1....64
    516193.18 - Left Foot Pedal / Signal 1....64
    516194.03 - Left Foot Pedal / Signal 2....64
    516194.04 - Left Foot Pedal / Signal 2....64
    516195.03 - Right Foot Pedal / Signal 2....64
    516195.04 - Right Foot Pedal / Signal 2....64
    516196.03 - Right Foot Pedal / Signal 1....64
    516196.04 - Right Foot Pedal / Signal 1....64
    516196.07 - Right Foot Pedal / Signal 1....64
    516196.16 - Right Foot Pedal / Signal 1....64
    516196.18 - Right Foot Pedal / Signal 1....64
    520652.05 - Bucket Curl / Solenoid Current....64
    520652.06 - Bucket Curl / Solenoid Current....64
    520652.16 - Bucket Curl / Solenoid Current....64
    520653.05 - Bucket Dump / Solenoid Current....64
    520653.06 - Bucket Dump / Solenoid Current....64
    520653.16 - Bucket Dump / Solenoid Current....64
    522377.03 - Boom Sensor / Signal 1....65
    522377.04 - Boom Sensor / Signal 1....65
    522377.12 - Boom Sensor / Signal 1....65
    522377.13 - Boom Sensor / Signal 1....65
    523378.03 - Boom Sensor / Signal 2....65
    523378.04 - Boom Sensor / Signal 2....65
    522436.03 - Bucket Sensor / Signal 1....65
    522436.04 - Bucket Sensor / Signal 1....65
    522436.12 - Bucket Sensor / Signal 1....65
    522436.13 - Bucket Sensor / Signal 1....65
    522437.03 - Bucket Sensor / Signal 2....65
    522437.04 - Bucket Sensor / Signal 2....65
    522447.05 - Right Pump / Fwd Sol Current....65
    522447.06 - Right Pump / Fwd Sol Current....65
    522447.16 - Right Pump / Fwd Sol Current....65
    522448.05 - Right Pump / Rev Sol Current....65
    522448.06 - Right Pump / Rev Sol Current....65
    522448.16 - Right Pump / Rev Sol Current....65
    522449.05 - Left Pump / Rev Sol Current....65
    522449.06 - Left Pump / Rev Sol Current....65
    522449.16 - Left Pump / Rev Sol Current....65
    522450.05 - Left Pump / Fwd Sol Current....65
    522450.06 - Left Pump / Fwd Sol Current....65
    522450.16 - Left Pump / Fwd Sol Current....65
    523217.03 - Hydraulic Valve / Power 3 to HCU....65
    523217.04 - Hydraulic Valve / Power 3 to HCU....65
    523218.03 - Propel Valve / Power 2 to HCU....65
    523218.04 - Propel Valve / Power 2 to HCU....65
    523219.03 - Hydraulic Valve / Power 1 to HCU....65
    523219.04 - Hydraulic Valve / Power 1 to HCU....65
    523411.05 - Boom Down / Solenoid Current....65
    523411.06 - Boom Down / Solenoid Current....65
    523411.16 - Boom Down / Solenoid Current....65
    523414.05 - Boom Up / Solenoid Current....66
    523414.06 - Boom Up / Solenoid Current....66
    523414.16 - Boom Up / Solenoid Current....66
  Group 40: Left Joystick Controller (JSL) Diagnostic Trouble Codes....490
    Left Joystick Controller (JSL) Diagnostic Trouble Codes....490
    002697.03 - Left Joystick / X-Axis....66
    002697.04 - Left Joystick / X-Axis....66
    002697.13 - Left Joystick / X-Axis....66
    002697.14 - Left Joystick / X-Axis....66
    002698.03 - Left Joystick / Y-Axis....66
    002698.04 - Left Joystick / Y-Axis....66
    002698.13 - Left Joystick / Y-Axis....66
    002698.14 - Left Joystick / Y-Axis....66
  Group 50: Right Joystick Controller (JSR) Diagnostic Trouble Codes....500
    Right Joystick Controller (JSR) Diagnostic Trouble Codes....500
    002660.03 - Right Joystick / X-Axis....66
    002660.04 - Right Joystick / X-Axis....66
    002660.13 - Right Joystick / X-Axis....66
    002660.14 - Right Joystick / X-Axis....66
    002661.03 - Right Joystick / Y-Axis....66
    002661.04 - Right Joystick / Y-Axis....66
    002661.13 - Right Joystick / Y-Axis....66
    002661.14 - Right Joystick / Y-Axis....66
  Group 60: Sealed Switch Module (SSM) Diagnostic Trouble Codes....510
    Sealed Switch Module (SSM) Diagnostic Trouble Codes....510
    0000629.12 - Controller Fault....66
    002033.09 - VCU CAN Comm....66
    002634.04 - Ignition Relay....66
    002634.05 - Ignition Relay....66
    523850.04 - SSM Button 15....66
    523850.09 - SSM Button 15....66
    523852.04 - SSM Button 14....66
    523852.09 - SSM Button 14....66
    523854.04 - SSM Button 13....67
    523854.09 - SSM Button 13....67
    523855.04 - SSM Button 12....67
    523855.09 - SSM Button 12....67
    523856.04 - SSM Button 11....67
    523856.09 - SSM Button 11....67
    523857.04 - SSM Button 10....67
    523857.09 - SSM Button 10....67
    523858.04 - SSM Button 9....67
    523858.09 - SSM Button 9....67
    523860.04 - SSM Button 8....67
    523860.09 - SSM Button 8....67
    523861.04 - SSM Button 7....67
    523861.09 - SSM Button 7....67
    523862.04 - SSM Button 6....67
    523862.09 - SSM Button 6....67
    523863.04 - SSM Button 5....67
    523863.09 - SSM Button 5....67
    523864.04 - SSM Button 4....67
    523864.09 - SSM Button 4....67
    523865.04 - SSM Button 3....67
    523865.09 - SSM Button 3....67
    523867.04 - SSM Button 2....67
    523867.09 - SSM Button 2....67
    523868.04 - SSM Button 1....67
    523868.09 - SSM Button 1....67
  Group 70: Vehicle Control Unit (VCU) Diagnostic Trouble Codes....584
    Vehicle Control Unit (VCU) Diagnostic Trouble Codes....584
    000091.03 - Accelerator 2 - Pedal Voltage Above Normal....67
    000091.04 - Accelerator 2 - Pedal Voltage Below Normal....67
    000158.03 - Battery Voltage Switched Power....67
    000158.04 - Battery Voltage Switched Power....67
    000168.03 - Unswitched Power / Input....67
    000168.04 - Unswitched Power / Input....68
    000977.05 - Fan Direction / Mode....68
    000977.06 - Fan Direction / Mode....68
    001071.05 - Fan Speed / Solenoid....68
    001071.06 - Fan Speed / Solenoid....68
    001508.00 - Hydraulic Oil / Temperature....68
    001508.03 - Hydraulic Oil / Temperature....68
    001508.04 - Hydraulic Oil / Temperature....68
    001713.00 - Hydraulic Filter / Restr Switch....68
    001713.03 - Hydraulic Filter / Restr Switch....68
    003512.03 - 5 Volt Sensor / Supply 4....68
    003512.04 - 5 Volt Sensor / Supply 4....68
    003597.03 - 5 Volt Sensor / Supply 1....68
    003597.04 - 5 Volt Sensor / Supply 1....68
    003598.03 - 5 Volt Sensor / Supply 2....68
    003598.04 - 5 Volt Sensor / Supply 2....68
    003599.03 - 5 Volt Sensor - Supply 3....68
    003599.04 - 5 Volt Sensor - Supply 3....68
    004056.05 - 2-Speed Output....68
    004056.06 - 2-Speed Output....68
    520194.13 - Machine Model ID / Wrong or Missing....68
    520194.14 - Machine Model ID / Wrong or Missing....68
    520849.03 - Right Joystick / Trigger Input....68
    520849.04 - Right Joystick / Trigger Input....68
    521466.05 - Fan Direction / Relief....68
    521466.06 - Fan Direction / Relief....68
    521806.05 - HST Bypass Solenoid....68
    521806.06 - HST Bypass Solenoid....68
    522820.05 - High Flow / Driver....68
    522820.06 - High Flow / Driver....68
    524084.00 - Hydrostat Oil / Temperature....68
    524084.03 - Hydrostat Oil / Temperature....68
    524084.04 - Hydrostat Oil / Temperature....68
    524264.11 - Checksum Error....69
Section 9005: Operational Checkout Procedure....697
  Group 10: Operational Checkout Procedure....697
    Operational Checkout....730
Section 9010: Engine....762
  Group 05: Theory of Operation....762
    John Deere Engine....772
    Engine Identification....765
    Cold Start Operation....768
  Group 15: Diagnostic Information....762
    John Deere Engine....772
    Engine Cooling System Component Location....773
    Engine Fuel System Component Location....775
    Engine Intake and Exhaust Component Location....777
    Engine Hard to Start or Does Not Start When Cold....762
Section 9015: Electrical System....781
  Group 05: System Information....781
    Electrical Diagram Information....788
    Electrical Schematic Symbols....791
  Group 10: System Diagrams....781
    Fuse and Relay Specifications....800
    System Functional Schematic, Wiring Diagram and Component Location Master Legend....806
    System Functional Schematic....813
    Rear Engine Harness (W1) Component Location....821
    Rear Engine Harness (W1) Wiring Diagram....823
    Cab Harness (W2) Component Location....825
    Cab Harness (W2) Wiring Diagram....829
    Main Harness (W3) Component Location....834
    Main Harness (W3) Wiring Diagram....842
    Dual Flasher Harness (W5) Component Location....857
    Dual Flasher Harness (W5) Wiring Diagram....858
    Radio Harness (W8) Component Location....860
    Radio Harness (W8) Wiring Diagram....861
    Hydraulic Valve Harness (W10) Component Location....862
    Hydraulic Valve Harness (W10) Wiring Diagram....864
    Attachment Control Frame Harness (W11) Component Location....865
    Attachment Control Frame Harness (W11) Wiring Diagram....866
    Attachment Control Boom Harness (W12) Component Location....867
    Attachment Control Boom Harness (W12) Wiring Diagram....868
    Quik-Tatch™ Frame Harness (W13) Component Location....869
    Quik-Tatch™ Frame Harness (W13) Wiring Diagram....870
    Quik-Tatch™ Boom Harness (W14) Component Location....871
    Quik-Tatch™ Boom Harness (W14) Wiring Diagram....872
    Quik-Tatch™ Actuator Harness (W15) Component Location....873
    Quik-Tatch™ Actuator Harness (W15) Wiring Diagram....874
    Heater and Air Conditioner Harness (W16) Component Location....875
    Heater and Air Conditioner Harness (W16) Wiring Diagram....877
    Hydrostatic Control Valve Harness (W17) Component Location....878
    Hydrostatic Control Valve Harness (W17) Wiring Diagram....879
    High/Low Pressure Switch and Heater Valve Motor Harness (W18) Component Location....880
    High/Low Pressure Switch and Heater Valve Motor Harness (W18) Wiring Diagram....882
    Creep Mode Speed Switch Harness (W19) Component Location....884
    Creep Mode Speed Switch Harness (W19) Wiring Diagram....885
    Left Pedal Sensor Harness (W23) Component Location....886
    Left Pedal Sensor Harness (W23) Wiring Diagram....887
    Right Pedal Sensor Harness (W24) Component Location....888
    Right Pedal Sensor Harness (W24) Wiring Diagram....889
    Hydrostatic Oil Temperature Sensor Harness (W25) Component Location....890
    Hydrostatic Oil Temperature Sensor Harness (W25) Wiring Diagram....891
    License Plate Light Harness (W26) Component Location....892
    License Plate Light Harness (W26) Wiring Diagram....893
    Joystick Jumper Harness (W27) Component Location....894
    Joystick Jumper Harness (W27) Wiring Diagram....895
  Group 15: Sub-System Diagnostics....782
    Starting Circuit Theory of Operation....905
    Controller Area Network (CAN) Theory of Operation....914
    Engine Control Unit (ECU) Circuit Theory of Operation....918
    Engagement and Monitor Unit (EMU) Circuit Theory of Operation....926
    Lighting Circuit Theory of Operation....936
    Hydraulic System Control Circuit Theory of Operation....939
    Hydrostatic System Control Circuit Theory of Operation....948
    Hydraulic Fan Control Circuit Theory of Operation....959
    Backup Alarm Circuit Theory of Operation....964
    Quik-Tatch Circuit Theory of Operation—If Equipped....966
  Group 16: Monitor Operation....782
    Engagement and Monitor Unit Operation....971
    Engagement and Monitor Unit Data Items....974
    Engagement and Monitor Unit Display Messages....978
    Engagement and Monitor Unit Service Menu Operation....981
    Engagement and Monitor Unit Initial Configuration....983
    Anti-Theft Security System Operation—If Equipped....985
    Anti-Theft Security System Configuration—If Equipped....987
    Anti-Theft Security System Enable—If Equipped....992
  Group 20: References....783
    Service ADVISOR™ Connection Procedure....997
    Reading Diagnostic Trouble Codes (DTCs)....1000
    Intermittent Diagnostic Trouble Code (DTC) Diagnostics....1004
    Electrical Component Checks....1005
    Electrical Component Specifications....1017
    Solenoid Test....1024
    Alternator Test....1053
    Controller Area Network (CAN) Circuit Test....1057
    Boom and Bucket Calibration....1068
    Auxiliary Hydraulics Calibration....1070
    Manual Tracking Adjustment Procedure....1072
    Hydrostatic System Calibration....1073
    Electrohydraulic (EH) Foot Pedal Calibration....1076
    Engine Control Unit (ECU) Remove and Install....1078
    Hydraulic Control Unit (HCU) Remove and Install....1080
    Engagement and Monitor Unit (EMU) Remove and Install....1082
    Control Panel Remove and Install....1085
    Left Joystick Controller (JSL) Remove and Install....1087
    Right Joystick Controller (JSR) Remove and Install....1091
    Joystick Disassemble and Assemble....1095
    Left Electrohydraulic (EH) Foot Pedal Remove and Install....1098
    Right Electrohydraulic (EH) Foot Pedal Remove and Install....1099
    Backup Alarm Remove and Install....1100
    Battery Remove and Install....1101
    Motor Speed Sensor Remove and Install....1102
    Replace (Pull Type) Metri-Pack™ Connectors....1116
    Replace (Push Type) Metri-Pack™ Connectors....1118
    Replace Metri-Pack™ Connectors....1119
    Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector....783
    Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact....783
    Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors....784
    Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Circular Connectors....784
    Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors....784
    Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact....784
    Replace CINCH™ Connectors....1133
    Install CINCH™ Contact....1135
    Repair 32 and 48 Way CINCH™ Connectors....1137
    Remove Connector Body from Blade Terminals....1141
Section 9020: Power Train....1142
  Group 05: Theory of Operation....1142
    Power Train System Operation....1144
    Hydrostatic Motor Gear Case Operation....1145
    Track Adjuster and Recoil Spring Operation....1146
  Group 15: Diagnostic Information....1142
    Power Train Component Location....1150
    Loose Track....1142
    Tight Track....1142
    Frequent Track Tension Adjustment Required....1142
    Excessive Oil Leakage From Idlers And Rollers....1142
Section 9025: Hydraulic System....1167
  Group 05: Theory of Operation....1167
    Hydraulic System Operation....1170
    Hydraulic Oil Filter Manifold Operation....1171
    High Flow Pump Operation—If Equipped....1172
    Self Leveling Valve Operation—If Equipped....1176
    Ride Control Operation—If Equipped....1178
    Hydraulic Pump Operation....1180
    Hydraulic Fan Operation....1182
    Hydraulic Control Valve Operation....1196
  Group 15: Diagnostic Information....1167
    Hydraulic System Schematic....1211
    Hydraulic System Component Location....1220
    Diagnose Hydraulic System Malfunctions....1228
    No Hydraulic Functions....1167
    Boom Will Not Raise....1167
    Boom Will Not Lower....1167
    Bucket Will Not Dump....1167
    Bucket Will Not Curl....1167
    Bucket Will Not Self Level When Boom is Raised....1167
    Bucket Dumps During Self Leveling Cycle....1167
    Boom Drifts Down....1167
    Boom Drifts Up....1167
    Bucket Drifts Down....1167
    Bucket Drifts Up....1167
    Hydraulic Functions Slow or No Power....1167
    Hydraulic Functions “Jerky” or “Spongy”....1167
    Hydraulic System Noise....1167
    Hydraulic Oil Overheats....1167
    Hydraulic Fan System Malfunctions....1167
    Hydraulic Fan Will Not Reverse Direction....1167
  Group 20: Adjustments....1167
    Ride Control Accumulator Gas Charge Procedure—If Equipped....1316
  Group 25: Tests....1168
    JT05800 Digital Thermometer Installation....1320
    JT02156A Digital Pressure and Temperature Analyzer Kit Installation....1321
    Remote Start Box Installation....1322
    Hydraulic System Pressure Release....1324
    Pilot Control Accumulator Precharge Test....1325
    Port Lock Solenoid Valve and Port Lock Spool Test....1329
    Hydraulic System Relief Valve Test....1330
    Charge Pressure Relief Valve Test....1333
    High Flow Relief Valve Test....1337
    Circuit Relief Valve Test....1341
    Function Drift Test....1350
    Hydraulic Cylinder Leakage Test....1359
    Hydraulic Pump Flow Test....1361
    Charge Pump Flow Test....1368
    Hydraulic Fan Motor Speed Test....1371
    Hydraulic Fan Motor Case Drain Test....1378
    Hydraulic Oil Cooler Bypass Valve Test....1387
    Auxiliary Coupler Manifold Leakage Test....1391
Section 9026: Hydrostatic System....1393
  Group 05: Theory of Operation....1393
    Hydrostatic System Operation....1395
    Hydrostatic Pump Operation....1396
    Charge Pump Operation....1402
    Hydrostatic Motor Operation....1404
    Hydrostatic Control Valve Operation....1409
    Park Brake System Operation....1411
    Steering Control Operation....1413
  Group 15: Diagnostic Information....1393
    Hydrostatic System Schematic....1419
    Hydrostatic System Component Location....1422
    Machine Does Not Move In Either Direction....1393
    Hydrostatic Pump Or Hydrostatic Motor Noise....1393
    Slow Response To Changes In Speed....1393
    Low Power....1393
    Tracks Powered On One Side, Not The Other....1393
    Machine Will Not Shift Into Or Out Of High Speed....1393
    Mistracking....1393
    Park Brakes Do Not Hold....1393
    Park Brakes Do Not Release....1393
    Grinding Noise While Operating Machine....1393
  Group 25: Tests....1393
    Engine Speed Control for Testing....1458
    Multi-Function Valve Pressure Relief Test....1460
    Hydrostatic Pump Flow Test....1464
    Hydrostatic Pump Mechanical Neutral Adjustment....1470
    Hydrostatic Pump Control Neutral Adjustment....1475
    Track Speed Test....1478
    Park Brake Release Pressure Test....1481
Section 9031: Heating and Air Conditioning....1485
  Group 05: Theory of Operation....1485
    Air Conditioning System Cycle of Operation....1488
  Group 15: Diagnostic Information....1485
    Air Conditioning and Heater System Component Location....1492
    Air Conditioning System Does Not Operate....1485
    Air Conditioning Does Not Cool Interior of Cab....1485
    Air Conditioner Runs Constantly, Too Cool....1485
    Heater System Does Not Operate....1485
    Heater Does Not Warm Interior of Cab....1485
    Interior Windows Continue to Fog....1485
  Group 25: Tests....1485
    Refrigerant Cautions and Proper Handling....1518
    Air Conditioner and Heater Operational Checks....1519
    Refrigerant Leak Testing....1523
    Air Conditioner Compressor Clutch Test....1524
    Air Conditioning High/Low Pressure Switch Test....1526
    Air Conditioner Freeze Control Switch Test....1530
    R134a Refrigerant Cautions....1532
    R134a Oil Charge Capacity....1533
    R134a Refrigerant Charge Capacity....1534
    Operating Pressure Diagnostic Chart....1535
Section 9900: Dealer Fabricated Tools....1540
  Group 99: Dealer Fabricated Tools....1540
    DFT1318 Motor Speed Sensor Test Harness....1543
    DFT1325 Solenoid Power Harness....1545

John Deere Skid Steer & Compact Track Loaders 319E, 323E (EH Controls) Workshop Service Repair Manual (TM13087X19)