Complete Diagnosis & Test manual with electrical wiring diagrams for John Deere Skid Steer Loaders (EH Controls) 316GR, 318G, with all the workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere Skid Steer Loaders (EH Controls) 316GR, 318G workshop Diagnostics & Test 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.

TM13849X19 English - John Deere Skid Steer Loaders (EH Controls) 316GR, 318G Technical Manual - Operation & Test.PDF

tm13849x28 French - Chargers compacts 316GR et 318G (commandes EH)

Total Pages: 1,112 pages
File Format: PDF bookmarked, ToC, Searchable, Printable)
Language: English French

MAIN SECTIONS
  316GR (PIN:1T0316G***J288093-)
  318G (PIN:1T0318G***J288093-)
  Foreword
   Manual Identification-READ THIS FIRST!
   General Information
      Safety
   Diagnostics
      Engine Control Unit (ECU) Diagnostic Trouble Codes
      Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes
      Hydraulic Control Unit (HCU) Diagnostic Trouble Codes
      Left Joystick Controller (JSL) Diagnostic Trouble Codes
      Right Joystick Controller (JSR) Diagnostic Trouble Codes
      Sealed Switch Module (SSM) Diagnostic Trouble Codes
      Vehicle Control Unit (VCU) Diagnostic Trouble Codes
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine
      Theory of Operation
      System Diagrams
      Diagnostic Information
   Electrical System
      Theory of Operation
      System Diagrams
      Diagnostic Information
      Monitor Operation
      Diagnostic Test Box
      Adjustments
      Tests
   Power Train
      Theory of Operation
      System Diagrams
      Diagnostic Information
      Adjustments
   Hydraulic System
      Theory of Operation
      System Diagrams
      Diagnostic Information
      Adjustments
      Tests
   Hydrostatic System
      Theory of Operation
      System Diagrams
      Diagnostic Information
      Tests
   Heating and Air Conditioning
      Theory of Operation
      System Diagrams
      Diagnostic Information
      Tests
   Dealer Fabricated Tools

TABLE OF CONTENTS
Section 9000: General Information................22
  Group 01: Safety................22
    Recognize Safety Information................25
    Follow Safety Instructions................26
    Operate Only If Qualified................27
    Wear Protective Equipment................28
    Avoid Unauthorized Machine Modifications................29
    Inspect Machine................30
    Stay Clear of Moving Parts................31
    Avoid High-Pressure Fluids................32
    Avoid High-Pressure Oils................33
    Work In Ventilated Area................34
    Avoid Static Electricity Risk When Refueling................35
    Prevent Fires................37
    In Case of Machine Fire................38
    Prevent Battery Explosions................39
    Handle Chemical Products Safely................40
    Handle Starting Fluid Safely................41
    Decommissioning — Proper Recycling and Disposal of Fluids and Components................42
    Exhaust Filter Ash Handling and Disposal................43
    Prepare for Emergencies................44
    Clean Debris from Machine................45
    Add Cab Guarding for Special Uses................46
    Use Steps and Handholds Correctly................47
    Start Only From Operator's Seat................48
    Use and Maintain Seat Belt................49
    Prevent Unintended Machine Movement................50
    Avoid Work Site Hazards................51
    Keep Riders Off Machine................53
    Avoid Backover Accidents................54
    Avoid Machine Tip Over................55
    Operating On Slopes................56
    Operating or Traveling On Public Roads................57
    Inspect and Maintain ROPS................58
    Travel Safely................59
    Prevent Acid Burns................60
    Add and Operate Attachments Safely................62
    Park and Prepare for Service Safely................63
    Service Cooling System Safely................64
    Remove Paint Before Welding or Heating................65
    Make Welding Repairs Safely................66
    Drive Metal Pins Safely................67
    Service Tires Safely................68
    Handle Cab Door Safely—If Equipped................69
    Clean Exhaust Filter Safely................70
Section 9001: Diagnostics................73
  Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes................679
    Engine Control Unit (ECU) Diagnostic Trouble Codes................679
    000028.00 - Service Throttle Very High................73
    000028.01 - Service Throttle Very Low................73
    000028.03 - Service Throttle Circuit Fault................73
    000028.04 - Service Throttle Circuit Fault................73
    000029.03 - Foot Throttle Circuit Fault................73
    000029.04 - Foot Throttle Circuit Fault................73
    000091.03 - Hand Throttle Circuit Fault................73
    000091.04 - Hand Throttle Circuit Fault................73
    000167.01 - System Voltage Very Low................73
    000167.05 - System Voltage Very Low................73
    000237.13 - Vehicle ID Calibration................695
    000237.31 - Vehicle ID Fault................73
    001485.02 - Main Relay Invalid................73
    001485.07 - Main Relay Fault................73
    003695.14 - Exhaust Filter Cleaning Inhibited By Operator Interface................73
    522243.05 - Start Aid Circuit Fault................73
    522243.06 - Start Aid Circuit Fault................73
    522590.12 - Sensor Supply 1 Fault................73
    522596.09 - ECU Communication Fault................73
    522597.09 - ECU Communication Fault................73
    522599.09 - ECU Communication Fault................73
    522600.09 - ECU Communication Fault................73
    522601.09 - ECU Communication Fault................73
    522618.09 - ECU Communication Fault................73
    522619.09 - ECU Communication Fault................73
    522623.07 - Foot Throttle Fault................73
    522624.07 - Foot Throttle Fault................73
    522744.04 - ECU Circuit Fault................73
    522994.04 - ECU Circuit Fault................73
  Group 20: Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes................679
    Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes................679
    000070.02 - Park Brake Switch Invalid................74
    000070.04 - Park Brake Switch Circuit Fault................74
    000096.03 - Fuel Level Circuit Fault................74
    000096.04 - Fuel Level Circuit Fault................74
    000158.00 - System Voltage Very High................74
    000158.01 - System Voltage Very Low................74
    000162.04 - 2-Speed Switch Circuit Fault................74
    000628.12 - Programming Fault................74
    000920.05 - Alarm Output Circuit Fault................74
    000920.06 - Alarm Output Circuit Fault................74
    001196.11 - Antitheft Fault................74
    001504.04 - Seat Switch Circuit Fault................74
    002000.09 - ECU Communication Fault................74
    002142.09 - SSM Communication Fault................74
    002228.09 - HCU Communication Fault................74
    002251.09 - SAR Communication Fault................74
    003413.04 - Door Switch Circuit Fault................74
    003597.03 - Sensor Supply 1 Circuit Fault................74
    003597.04 - Sensor Supply 1 Circuit Fault................74
    004056.05 - 2-Speed Output Circuit Fault................74
    004056.06 - 2-Speed Output Circuit Fault................74
    520714.05 - Self Level Out Circuit Fault................74
    520714.06 - Self Level Out Circuit Fault................74
    521050.04 - Aux Flow Switch Circuit Fault................74
    521197.04 - Courtesy Light Sw Circuit Fault................74
    522379.05 - Park Brake Sol Circuit Fault................74
    522379.06 - Park Brake Sol Circuit Fault................74
    522398.02 - Park Brake Switch Invalid................74
    522398.04 - Park Brake Switch Circuit Fault................74
    522438.04 - Self Level Switch Circuit Fault................74
    522438.07 - Self Level Switch Mechanical Fault................74
    522828.03 - Creep Mode Switch Circuit Fault................74
    522828.04 - Creep Mode Switch Circuit Fault................75
    522828.07 - Creep Mode Switch Fault................75
    522859.04 - Lap Bar Switch Circuit Fault................75
    523217.06 - Hyd Valve Power 3 Circuit Fault................75
    523218.06 - Hst Valve Power Circuit Fault................75
    523219.06 - Hyd Valve Power 1 Circuit Fault................75
    523693.03 - Aux Hydraulic In 1 Circuit Fault................75
    523693.04 - Aux Hydraulic In 1 Circuit Fault................75
    523694.03 - Aux Hydraulic In 2 Circuit Fault................75
    523694.04 - Aux Hydraulic In 2 Circuit Fault................75
    523694.12 - Aux Hydraulic In 2 Fault................75
    523935.05 - Aux Hyd Extend Sol Circuit Fault................75
    523935.06 - Aux Hyd Extend Sol Circuit Fault................75
    523941.05 - Aux Hyd Retract Sol Circuit Fault................75
    523941.06 - Aux Hyd Retract Sol Circuit Fault................75
    523948.05 - Ride Control Sol 1 Circuit Fault................75
    523948.06 - Ride Control Sol 1 Circuit Fault................75
    523949.05 - Ride Control Sol 2 Circuit Fault................75
    523949.06 - Ride Control Sol 2 Circuit Fault................75
    524225.04 - Remote Start In Circuit Fault................75
    524264.11 - Checksum Fault................75
  Group 30: Hydraulic Control Unit (HCU) Diagnostic Trouble Codes................679
    Hydraulic Control Unit (HCU) Diagnostic Trouble Codes................679
    000630.13 - Calibration Memory Calibration................695
    001594.00 - Left Speed In Very High................75
    001594.01 - Left Speed In Very Low................75
    001594.02 - Left Speed In Invalid................75
    001594.14 - Left Speed In Fault................75
    001595.00 - Right Speed In Very High................75
    001595.01 - Right Speed In Very Low................75
    001595.02 - Right Speed In Invalid................75
    001595.14 - Right Speed In Fault................75
    002201.09 - Right Joystick Communication Fault................75
    002213.09 - Left Joystick Communication Fault................76
    002660.07 - Right Joystick X Fault................76
    002661.07 - Right Joystick Y Fault................76
    002697.07 - Left Joystick X Fault................76
    002698.07 - Left Joystick Y Fault................76
    516197.06 - Hyd Port Lock Sol Circuit Fault................76
    520652.05 - Bucket Curl Sol Circuit Fault................76
    520652.06 - Bucket Curl Sol Circuit Fault................76
    520652.16 - Bucket Curl Sol Moderately High................76
    520653.05 - Bucket Dump Sol Circuit Fault................76
    520653.06 - Bucket Dump Sol Circuit Fault................76
    520653.16 - Bucket Dump Sol Moderately High................76
    520882.13 - Loader Threshold Calibration................695
    522447.05 - Right Pump Fwd Sol Circuit Fault................76
    522447.06 - Right Pump Fwd Sol Circuit Fault................76
    522447.16 - Right Pump Fwd Sol Moderately High................76
    522448.05 - Right Pump Rev Sol Circuit Fault................76
    522448.06 - Right Pump Rev Sol Circuit Fault................76
    522448.16 - Right Pump Rev Sol Moderately High................76
    522449.05 - Left Pump Rev Sol Circuit Fault................76
    522449.06 - Left Pump Rev Sol Circuit Fault................76
    522449.16 - Left Pump Rev Sol Moderately High................76
    522450.05 - Left Pump Fwd Sol Circuit Fault................76
    522450.06 - Left Pump Fwd Sol Circuit Fault................76
    522450.16 - Left Pump Fwd Sol Moderately High................76
    523108.13 - Transmission Calibration................695
    523217.03 - Hyd Valve Power 3 Circuit Fault................76
    523217.04 - Hyd Valve Power 3 Circuit Fault................76
    523218.03 - Hst Valve Power Circuit Fault................76
    523218.04 - Hst Valve Power Circuit Fault................76
    523219.03 - Hyd Valve Power 1 Circuit Fault................76
    523219.04 - Hyd Valve Power 1 Circuit Fault................76
    523411.05 - Boom Down Sol Circuit Fault................76
    523411.06 - Boom Down Sol Circuit Fault................77
    523411.16 - Boom Down Sol Moderately High................77
    523414.05 - Boom Up Sol Circuit Fault................77
    523414.06 - Boom Up Sol Circuit Fault................77
    523414.16 - Boom Up Sol Moderately High................77
  Group 40: Left Joystick Controller (JSL) Diagnostic Trouble Codes................679
    Left Joystick Controller (JSL) Diagnostic Trouble Codes................679
    002697.03 - Left Joystick X Circuit Fault................77
    002697.04 - Left Joystick X Circuit Fault................77
    002697.13 - Left Joystick X Calibration................695
    002697.14 - Left Joystick X Fault................77
    002698.03 - Left Joystick Y Circuit Fault................77
    002698.04 - Left Joystick Y Circuit Fault................77
    002698.13 - Left Joystick Y Calibration................695
    002698.14 - Left Joystick Y Fault................77
  Group 50: Right Joystick Controller (JSR) Diagnostic Trouble Codes................679
    Right Joystick Controller (JSR) Diagnostic Trouble Codes................679
    002660.03 - Right Joystick X Circuit Fault................77
    002660.04 - Right Joystick X Circuit Fault................77
    002660.13 - Right Joystick X Calibration................695
    002660.14 - Right Joystick X Fault................77
    002661.03 - Right Joystick Y Circuit Fault................77
    002661.04 - Right Joystick Y Circuit Fault................77
    002661.13 - Right Joystick Y Calibration................695
    002661.14 - Right Joystick Y Fault................77
  Group 60: Sealed Switch Module (SSM) Diagnostic Trouble Codes................679
    Sealed Switch Module (SSM) Diagnostic Trouble Codes................679
    000629.12 - Control Unit Fault................77
    002033.09 - VCU Communication Fault................77
    002634.04 - Ignition Relay Circuit Fault................77
    002634.05 - Ignition Relay Circuit Fault................77
    003997.04 - Wake Up Output Circuit Fault................77
    003997.05 - Wake Up Output Circuit Fault................77
    523850.04 - SSM Button 15 Circuit Fault................78
    523850.09 - SSM Button 15 Communication Fault................78
    523852.04 - SSM Button 14 Circuit Fault................78
    523852.09 - SSM Button 14 Communication Fault................78
    523854.04 - SSM Button 13 Circuit Fault................78
    523854.09 - SSM Button 13 Communication Fault................78
    523855.04 - SSM Button 12 Circuit Fault................78
    523855.09 - SSM Button 12 Communication Fault................78
    523856.04 - SSM Button 11 Circuit Fault................78
    523856.09 - SSM Button 11 Communication Fault................78
    523857.04 - SSM Button 10 Circuit Fault................78
    523857.09 - SSM Button 10 Communication Fault................78
    523858.04 - SSM Button 9 Circuit Fault................78
    523858.09 - SSM Button 9 Communication Fault................78
    523860.04 - SSM Button 8 Circuit Fault................78
    523860.09 - SSM Button 8 Communication Fault................78
    523861.04 - SSM Button 7 Circuit Fault................78
    523861.09 - SSM Button 7 Communication Fault................78
    523862.04 - SSM Button 6 Circuit Fault................78
    523862.09 - SSM Button 6 Communication Fault................78
    523863.04 - SSM Button 5 Circuit Fault................78
    523863.09 - SSM Button 5 Communication Fault................78
    523864.04 - SSM Button 4 Circuit Fault................78
    523864.09 - SSM Button 4 Communication Fault................78
    523865.04 - SSM Button 3 Circuit Fault................78
    523865.09 - SSM Button 3 Communication Fault................78
    523867.04 - SSM Button 2 Circuit Fault................78
    523867.09 - SSM Button 2 Communication Fault................78
    523868.04 - SSM Button 1 Circuit Fault................78
    523868.09 - SSM Button 1 Communication Fault................78
  Group 70: Vehicle Control Unit (VCU) Diagnostic Trouble Codes................679
    Vehicle Control Unit (VCU) Diagnostic Trouble Codes................679
    000029.03 - Foot Throttle Circuit Fault................78
    000029.04 - Foot Throttle Circuit Fault................79
    000100.01 - Oil Pressure Very Low................79
    000100.03 - Oil Pressure Very Low................79
    000158.03 - System Voltage Circuit Fault................79
    000158.04 - System Voltage Circuit Fault................79
    000168.03 - Battery Voltage Circuit Fault................79
    000168.04 - Battery Voltage Circuit Fault................79
    000628.12 - Programming Fault................79
    001508.00 - Hydraulic Oil Temp Very High................79
    001508.03 - Hydraulic Oil Temp Circuit Fault................79
    001508.04 - Hydraulic Oil Temp Circuit Fault................79
    001713.00 - Hydraulic Filter Switch Very High................79
    001713.03 - Hydraulic Filter Switch Circuit Fault................79
    003512.03 - Sensor Supply 4 Circuit Fault................79
    003512.04 - Sensor Supply 4 Circuit Fault................79
    003599.03 - Sensor Supply 3 Circuit Fault................79
    003599.04 - Sensor Supply 3 Circuit Fault................79
    004056.05 - 2-Speed Output Circuit Fault................79
    004056.06 - 2-Speed Output Circuit Fault................79
    520194.13 - Vehicle ID Calibration................695
    520194.14 - Vehicle ID Fault................79
    520714.05 - Self Level Out Circuit Fault................79
    520714.06 - Self Level Out Circuit Fault................79
    520849.03 - Right JS Trigger Circuit Fault................79
    520849.04 - Right JS Trigger Circuit Fault................79
    522323.00 - Eng Air Filter Restr Very High................79
    524264.11 - Checksum Error................79
Section 9005: Operational Checkout Procedure................432
  Group 10: Operational Checkout Procedure................432
    Operational Checkout................465
Section 9010: Engine................497
  Group 05: Theory of Operation................497
    John Deere Engine................518
    Engine Identification................500
    Exhaust Aftertreatment................503
    Cold Start Operation................509
  Group 10: System Diagrams................497
    John Deere Engine................518
    Engine Cooling System Component Location................513
    Engine Fuel System Component Location................514
    Engine Intake and Exhaust Component Location................516
  Group 15: Diagnostic Information................497
    John Deere Engine................518
    Engine Hard to Start or Does Not Start When Cold................497
Section 9015: Electrical System................522
  Group 05: Theory of Operation................522
    Starting Circuit Theory of Operation................532
    Controller Area Network (CAN) Theory of Operation................539
    Engine Control Unit (ECU) Circuit Theory of Operation................543
    Engagement and Monitor Unit (EMU) Circuit Theory of Operation................556
    Lighting Circuit Theory of Operation................564
    Hydraulic System Control Circuit Theory of Operation................567
    Backup Alarm Circuit Theory of Operation................575
    Quik-Tatch™ Circuit Theory of Operation—If Equipped................577
    Hydrostatic System Control Circuit Theory of Operation................579
  Group 10: System Diagrams................522
    Electrical Diagram Information................592
    Electrical Schematic Symbols................595
    Fuse and Relay Specifications................598
    System Functional Schematic, Component Location, and Wiring Diagram Master Legend................600
    System Functional Schematic................606
    Rear Engine Harness (W1) Component Location................610
    Rear Engine Harness (W1) Wiring Diagram................611
    Cab Harness (W2) Component Location................613
    Cab Harness (W2) Wiring Diagram................615
    Main Harness (W3) Component Location................619
    Main Harness (W3) Wiring Diagram................621
    Dual Flasher Harness (W5) Component Location................625
    Dual Flasher Harness (W5) Wiring Diagram................626
    Radio Harness (W8) Component Location................627
    Radio Harness (W8) Wiring Diagram................628
    Beacon Harness (W9) Component Location................629
    Beacon Harness (W9) Wiring Diagram................630
    Attachment Control Frame Harness (W11) Component Location................631
    Attachment Control Frame Harness (W11) Wiring Diagram................632
    Attachment Control Boom Harness (W12) Component Location................633
    Attachment Control Boom Harness (W12) Wiring Diagram................634
    Quik-Tatch™ Boom Harness (W14) Component Location................636
    Quik-Tatch™ Boom Harness (W14) Wiring Diagram................637
    Quik-Tatch™ Actuator Harness (W15) Component Location................638
    Quik-Tatch™ Actuator Harness (W15) Wiring Diagram................639
    Heater and Air Conditioner Harness (W17) Component Location................640
    Heater and Air Conditioner Harness (W17) Wiring Diagram................641
    High/Low-Pressure Switch and Heater Valve Motor Harness (W18) Component Location................643
    High/Low-Pressure Switch and Heater Valve Motor Harness (W18) Wiring Diagram................644
    Creep Mode Speed Switch Harness (W19) Component Location................645
    Creep Mode Speed Switch Harness (W19) Wiring Diagram................646
    Engine Interface Harness (W20) Component Location................647
    Engine Interface Harness (W20) Wiring Diagram................649
    Engine Harness (W21) Component Location................650
    Engine Harness (W21) Wiring Diagram................652
    Engine Fuel System Harness (W22) Component Location................653
    Engine Fuel System Harness (W22) Wiring Diagram................654
    Joystick Jumper Harness (W25) Component Location................656
    Joystick Jumper Harness (W25) Wiring Diagram................657
    Right Deluxe Lighting Harness (W27) Component Location................658
    Right Deluxe Lighting Harness (W27) Wiring Diagram................659
    Left Deluxe Lighting Harness (W28) Component Location................660
    Left Deluxe Lighting Harness (W28) Wiring Diagram................661
  Group 15: Diagnostic Information................523
    Service ADVISOR™ Connection Procedure................665
    Reading Diagnostic Trouble Codes (DTCs)................668
    Intermittent Diagnostic Trouble Code (DTC) Diagnostics................672
  Group 16: Monitor Operation................523
    Service Mode................675
    Exhaust Filter Service Cleaning................677
    Exhaust Filter Set Auto Clean................678
    Codes................679
    Diagnostics—Switches................680
    Diagnostics—Sensors................682
    Diagnostics—Left Joystick................684
    Diagnostics—Right Joystick................685
    Diagnostics—Speeds................686
    Diagnostics—VCU Outputs................687
    Diagnostics—EMU Outputs................688
    Diagnostics—ECU Outputs................689
    Diagnostics—VCU Power................690
    Diagnostics—EMU Power................691
    Diagnostics—ECU Power................692
    Diagnostics—Controller Info................693
    Antitheft—Master Code................694
    Calibration................695
    Anti-Theft Security System Operation—If Equipped................696
    Anti-Theft Security System Configuration—If Equipped................698
    Anti-Theft Security System Enable—If Equipped................703
  Group 17: Diagnostic Test Box................524
    Setup and Functional Test................714
    Two Wire Sensor Circuit Check—Out of Range High................723
    Two Wire Sensor Circuit Check—Out of Range Low................725
    Three Wire Sensor Circuit Check—Out of Range High................727
    Three Wire Sensor Circuit Check—Out of Range Low................729
  Group 20: Adjustments................524
    Hydrostatic System Calibration................734
    Boom and Bucket Calibration................737
    Auxiliary Hydraulics Calibration................739
    Manual Tracking Adjustment................741
  Group 25: Tests................524
    Electrical Component Checks................756
    Electrical Component Specifications................770
    Solenoid Test................776
    Alternator Test................797
    Controller Area Network (CAN) Circuit Test................799
Section 9020: Power Train................810
  Group 05: Theory of Operation................810
    Power Train System Operation................812
  Group 10: System Diagrams................810
    Power Train Component Location................816
  Group 15: Diagnostic Information................810
    Oil Leak From Power Train................810
    Excessive Axle Play................810
    Drive Chain Noise................810
    Grinding Noise................810
    One Drive Wheel Not Powered................810
    Both Wheels On One Side Not Powered................810
  Group 20: Adjustments................810
    Drive Chain Tension Check and Adjustment................833
Section 9025: Hydraulic System................836
  Group 05: Theory of Operation................836
    Hydraulic System Operation................840
    Hydraulic Oil Filter Manifold Operation................842
    Self Leveling Operation—If Equipped................843
    Ride Control Operation—If Equipped................845
    Hydraulic Pump Operation................847
    Hydraulic Control Valve Operation................849
  Group 10: System Diagrams................836
    Hydraulic System Schematic................865
    Hydraulic System Component Location................875
  Group 15: Diagnostic Information................836
    Diagnose Hydraulic System Malfunctions................880
    No Hydraulic Functions................836
    Boom Will Not Raise................836
    Boom Will Not Lower................836
    Bucket Will Not Dump................836
    Bucket Will Not Curl................836
    Bucket Will Not Self Level When Boom is Raised................836
    Bucket Dumps During Self Leveling Cycle................836
    Boom Drifts Down................836
    Boom Drifts Up................836
    Bucket Drifts Down................836
    Bucket Drifts Up................836
    Hydraulic Functions Slow or No Power................836
    Hydraulic Functions “Jerky” or “Spongy”................836
    Hydraulic System Noise................836
    Hydraulic Oil Overheats................836
  Group 20: Adjustments................836
    Ride Control Accumulator Gas Charge Procedure—If Equipped................957
  Group 25: Tests................836
    JT05800 Digital Thermometer Installation................961
    JT02156A Digital Pressure and Temperature Analyzer Kit Installation................962
    Remote Start Box Installation................963
    Hydraulic System Pressure Release................965
    Pilot Control Accumulator Precharge Test................966
    Port Lock Solenoid Valve and Port Lock Spool Test................970
    Hydraulic System Relief Valve Test................971
    Charge Pressure Relief Valve Test................974
    Circuit Relief Valve Test................977
    Function Drift Test................986
    Hydraulic Cylinder Leakage Test................994
    Hydraulic Pump Flow Test................996
    Charge Pump Flow Test................1003
    Hydraulic Oil Cooler Bypass Valve Test................1006
    Auxiliary Coupler Manifold Leakage Test—If Equipped................1009
Section 9026: Hydrostatic System................1012
  Group 05: Theory of Operation................1012
    Hydrostatic System Operation................1015
    Hydrostatic Pump Operation................1016
    Charge Pump Operation................1023
    Hydrostatic Motor Operation—Single Speed................1025
    Hydrostatic Motor Operation—Two-Speed................1027
    Hydrostatic Control Valve Operation................1031
    Park Brake System Operation................1033
    Steering Control Operation................1035
  Group 10: System Diagrams................1012
    Hydrostatic System Schematic................1039
    Hydrostatic System Component Location................1040
  Group 15: Diagnostic Information................1012
    Machine Does Not Move In Either Direction................1012
    Hydrostatic Pump Or Hydrostatic Motor Noise................1012
    Slow Response To Changes In Speed................1012
    Low Power................1012
    Wheels Powered On One Side, Not The Other................1012
    Machine Will Not Shift Into Or Out Of High Speed................1012
    Mistracking................1012
    Park Brakes Do Not Hold................1012
    Park Brakes Do Not Release................1012
    Grinding Noise While Operating Machine................1012
  Group 25: Tests................1012
    Engine Speed Control for Testing................1075
    Multi-Function Valve Pressure Relief Test................1076
    Hydrostatic Pump Flow Test................1079
    Hydrostatic Pump Mechanical Neutral Adjustment................1083
    Hydrostatic Pump Control Neutral Adjustment................1087
    Wheel Speed Test................1090
    Park Brake Release Pressure Test................1092
    Hydrostatic Motor Case Drain Test—Single Speed................1096
Section 9031: Heating and Air Conditioning................1099
  Group 05: Theory of Operation................1099
    Air Conditioning System Cycle of Operation................1102
  Group 10: System Diagrams................1099
    Heating and Air Conditioning System Component Location................1106
  Group 15: Diagnostic Information................1099
    Air Conditioning System Does Not Operate................1099
    Air Conditioning System Does Not Cool Interior of Cab................1099
    Air Conditioning System Runs Constantly, Too Cold................1099
    Heating System Does Not Operate................1099
    Heating System Does Not Warm Interior of Cab................1099
    Interior Windows Continue to Fog................1099
  Group 25: Tests................1099
    R134a Refrigerant Cautions and Proper Handling................1138
    R134a Oil Charge Capacity................1139
    R134a Refrigerant Charge Capacity................1140
    Heater and Air Conditioner Operational Checks................1141
    Air Conditioner Compressor Clutch Test................1145
    R134a Refrigerant Leak Test................1146
    R134a Refrigerant Hoses and Tubing Inspection................1147
    Air Conditioner High/Low-Pressure Switch Test................1148
    Air Conditioner Freeze Control Switch Test................1151
    Air Conditioning System Test................1153
    Operating Pressure Diagnostic Chart................1156
Section 9900: Dealer Fabricated Tools................1158
  Group 99: Dealer Fabricated Tools................1158
    DFT1318 Motor Speed Sensor Test Harness................1161
    DFT1325 Solenoid Power Harness................1163
    
TM13849X19 - John Deere Skid Steer Loaders Models 316GR, 318G (EH Controls)  Operation & Test Service Manual