John Deere 310SJ Backhoe Loader (S.N. 159760-) 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 310SJ Backhoe Loader (S.N. 159760-) technical 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.

TM10848 - John Deere 310SJ Backhoe Loader (S.N. 159760-) Technical Manual (Operation & Test Manual).pdf

TABLE OF CONTENTS / FILE LIST:
TABLE OF CONTENTS......1
Section 9000: General Information......19
  Group 01: Safety Information......19
    Recognize Safety Information......22
    Follow Safety Instructions......23
    Operate Only If Qualified......24
    Wear Protective Equipment......25
    Avoid Unauthorized Machine Modifications......26
    Inspect Machine......27
    Stay Clear of Moving Parts......28
    Avoid High-Pressure Oils......29
    Avoid High-Pressure Fluids......30
    Beware of Exhaust Fumes......31
    Prevent Fires......32
    Prevent Battery Explosions......33
    Handle Chemical Products Safely......34
    Dispose of Waste Properly......35
    Prepare for Emergencies......36
    Use Steps and Handholds Correctly......37
    Start Only From Operator's Seat......38
    Use and Maintain Seat Belt......39
    Prevent Unintended Machine Movement......40
    Prevent Unintended Machine Movement—If Equipped With Pilot Controls......41
    Avoid Work Site Hazards......42
    Keep Riders Off Machine......44
    Avoid Backover Accidents......45
    Avoid Machine Tipover......46
    Add and Operate Attachments Safely......47
    Use Special Care When Operating......48
    Operating or Traveling On Public Roads......49
    Inspect and Maintain ROPS......50
    Prevent Unintended Detonation of Explosive Devices......51
    Park and Prepare for Service Safely......52
    Service Cooling System Safely......53
    Remove Paint Before Welding or Heating......54
    Make Welding Repairs Safely......55
    Drive Metal Pins Safely......56
    Service Tires Safely......57
Section 9001: Diagnostics......58
  Group 10: Engine Control Unit (ECU)......58
    Engine Control Unit (ECU) Diagnostic Trouble Codes......63
    000029.03 - Engine Speed Control Short Circuit......58
    000029.04 - Engine Speed Control Open Circuit......58
    000029.14 - Engine Speed Control Out of Range......58
    000091.03 - Foot Throttle Position Sensor Short Circuit......58
    000091.04 - Foot Throttle Position Sensor Open Circuit......58
    000091.14 - Foot Throttle Position Sensor Out of Range......58
    001075.05 - Fuel Lift Pump Relay Open Circuit......58
    001075.06 - Fuel Lift Pump Relay Short Circuit......58
    001321.05 - Starter Relay Open Circuit......58
    001321.06 - Starter Relay Short Circuit......58
    001321.16 - Crank Cycle Too Long......58
    002023.09 - Hand Throttle Message Missing (Landscape Loader Only)......58
    002047.09 - Can Communication Lost with FLC......58
    002071.09 - Hand Throttle Message Missing (Backhoe Only)......58
    523702.09 - Flex Power Message Missing......58
  Group 20: Flex Load Controller (FLC)......58
    Flex Load Controller (FLC) Diagnostic Trouble Codes......100
    000069.07 - MFWD Logic Error......58
    000070.02 - Park Brake Switch (S7) Open Circuit......58
    000070.04 - Park Brake Switch (S7) Short to Ground......58
    000070.07 - Park Brake Switch (S7) Logic Error......58
    000117.19 - Service Brake Pressure Low......58
    000234.02 - Software Revision Mismatch......58
    000237.02 - Model Number in Vehicle Identification Number Not Valid......58
    000525.03 - TCL/Range Switch (S5) Gear Range Input Shorted to Power......58
    000525.04 - TCL/Range Switch (S5) Gear Range Input Voltage Low......58
    000525.05 - TCL/Range Switch (S5) Gear Range Input Open Circuit......58
    000525.12 - TCL/Range Switch (S5) Gear Range Input Logic Error......58
    000629.12 - FLC Watchdog Timeout......58
    000734.05 - Transmission Solenoid (Y1) Open Circuit......58
    000735.05 - Transmission Solenoid (Y2) Open Circuit......59
    000736.05 - Transmission Solenoid (Y3) Open Circuit......59
    000737.12 - Transmission Solenoid (Y4 or Y5) Fault......59
    000738.05 - Transmission Solenoid (Y5) Open Circuit......59
    000739.12 - Transmission Solenoid (Y2 or Y6) Fault......59
    000741.12 - Transmission Solenoid (Y1 or Y3) Fault......59
    000746.07 - Differential Lock Switch (S4) Logic Error......59
    000746.12 - Differential Lock Switch (S4) Short to Power or Ground......59
    000757.05 - Transmission Solenoid (Y4) Open Circuit......59
    000759.05 - Transmission Solenoid (Y6) Open Circuit......59
    001504.05 - Seat Swivel Latch Switch (S18) Short to Ground......59
    001714.04 - Seat Position Front Switch (S17) Short to Ground......59
    001714.07 - Seat Position Rear Switch (S16) and Seat Position Front Switch (S17) Logic Mismatch......59
    001714.10 - Seat Position Front Switch (S17) Short Circuit to Power or Stuck Closed......59
    001715.04 - Seat Position Rear Switch (S16) Short to Ground......59
    002000.09 - CAN Communication Lost with ECU......59
    002023.09 - CAN Communication Lost with SDM......59
    002228.09 - CAN Communication Lost with FHC......59
    002368.12 - Left Turn Signal Driver Output Fault......59
    002370.12 - Right Turn Signal Driver Output Fault......59
    002580.07 - Service Brake Pressure Switch Status Error......59
    002605.12 - Brake Charge Solenoid (Y59) Circuit Fault......59
    002875.04 - 4-Way Flasher Switch (S31) Input Short to Ground......59
    002876.12 - Conflicting Turn Signal Switch (S30) Data......59
    003413.04 - Right Door Switch (S99) Input Short to Ground......59
    003416.03 - Right Exit Switch (S99) Circuits Short to Power......59
    003416.04 - Right Exit Switch (S99) Circuits Short to Ground......59
    003416.05 - Right Exit Switch (S99) Open Circuit......59
    298816.14 - Park Brake Did Not Apply When Commanded......59
    522371.04 - FLC Valve Power #5 Voltage Low......59
    522379.12 - Park Brake Release Solenoid (Y7) Fault......59
    522398.14 - Park Brake Did Not Release When Commanded......59
    522411.03 - TCL/Range Switch (S5) Input Voltage High......60
    522411.04 - TCL/Range Switch (S5) Input Voltage Low......60
    522411.05 - TCL/Range Switch (S5) TCL Input Open Circuit......60
    523218.03 - FLC Valve Power #2 Output Stuck ON......60
    523218.04 - FLC Valve Power #2 Output Stuck OFF......60
    523218.05 - FLC Valve Power #2 Output Voltage Low......60
    523219.04 - FLC Valve Power #1 Voltage Low......60
    523702.02 - Flex Power Status Erratic......60
    523702.07 - Flex Power Not Active......60
    523702.08 - Flex Power Time Out......60
    523702.09 - Flex Power ECU Authentication Error......60
    523702.13 - Flex Power Mismatch......60
    523702.10 - Flex Power Watch Dog Error......60
    523911.12 - Hydraulic Pump Control Solenoid (Y56) Fault......60
    523948.12 - Ride Control Solenoid 1 (Y50) or 2 (Y51) Fault......60
    524070.04 - Valve Power # 6 Voltage Low......60
    524075.04 - Valve Power # 5 Voltage Low......60
    524172.00 - Clutch Disconnect Switch Stuck Closed......60
    524172.04 - Switch Short to Ground......60
    524172.07 - Clutch Disconnect Device Fault......60
    524235.12 - MFWD Solenoid (Y11) Output Fault......60
  Group 30: Standard Display Monitor (SDM)......60
    Standard Display Monitor (SDM) Diagnostic Trouble Codes......246
    000096.03 - Fuel Level Sensor (B8) Input Voltage Low......60
    000096.04 - Fuel Level Sensor (B8) Input Voltage High......60
    000100.01 - Engine Oil Pressure Low......60
    000100.05 - Engine Oil Pressure Switch Open......60
    000107.00 - Engine Air Filter Restricted......60
    000117.01 - Service Brake Pressure Low......60
    000158.00 - System Voltage High......60
    000158.01 - System Voltage Low......60
    000177.00 - Torque Converter Oil Temperature High......60
    000177.03 - Torque Converter Oil Temperature Sensor (B6) Input Voltage High......60
    000177.04 - Torque Converter Oil Temperature Sensor (B6) Input Voltage Low......61
    000234.02 - Software Revision Mismatch......61
    000920.03 - SDM Alarm (H2) Output Voltage High......61
    000920.04 - SDM Alarm (H2) Output Voltage Low......61
    001196.11 - Antitheft Lock Status Not Detected From ECU......61
    001201.11 - Antitheft Unlock Status Not Detected From ECU......61
    001508.00 - Hydraulic Oil Temperature Moderately High......61
    001508.03 - Hydraulic Oil Temperature Sensor (B10) Input Voltage High......61
    001508.04 - Hydraulic Oil Temperature Sensor (B10) Input Voltage Low......61
    001508.16 - Hydraulic Oil Temperature High......61
    001713.00 - Hydraulic Oil Filter Restricted......61
    002003.09 - CAN Communication Lost with FLC......61
    002000.09 - CAN Communication Lost with ECU......61
    002228.09 - CAN Communication Lost with FHC......61
    002071.09 - CAN Communication Lost with Other Controller......61
    298887.13 - SDM/ECU Model Number Mismatch......61
    523569.04 - FLC Switched and/or Unswitched Power Open Circuit......61
    523662.04 - FHC Valve Power Circuit Voltages Low......61
    523649.04 - CAN Communication Lost with Hydraulic Controllers......61
    523650.04 - CAN Communication Lost with FHC......61
    523653.04 - Gear Selection/Transmission Direction Circuit Voltages Low......61
    523665.04 - FLC Valve Power 1 Input Voltage Low......61
    523666.04 - FLC Switched Power Voltage Open Circuit......61
Section 9005: Operational Checkout Procedure......349
  Group 10: Operational Checkout Procedure......349
    Operational Checkout Procedure......349
Section 9010: Engine......376
  Group 05: Theory of Operation......376
    PowerTech™ and PowerTech E™ 4.5L (4045) John Deere Engines......397
    Engine Cooling System......379
  Group 15: Diagnostic Information......376
    PowerTech™ and PowerTech E™ 4.5L (4045) John Deere Engines......397
    Engine Identification......382
    Engine Cooling System Component Location......386
    Engine Fuel System Component Location......388
    Engine Intake and Exhaust Component Location......392
  Group 20: Adjustments......376
    PowerTech™ and PowerTech E™ 4.5L (4045) John Deere Engines......397
  Group 25: Tests......376
    PowerTech™ and PowerTech E™ 4.5L (4045) John Deere Engines......397
    Fluid Sampling Procedure—If Equipped......398
    Engine Speed Check......403
    Intake Manifold Pressure—Turbocharger Boost......405
    Air Intake System Leakage Test......409
    Air in Fuel Test......411
    Engine Thermostat Test......412
    Thermal Bypass Valve Test......413
Section 9015: Electrical System......414
  Group 05: System Information......414
    Electrical Diagram Information......421
    Electrical Schematic Symbols......425
  Group 10: System Diagrams......414
    Fuse and Relay Location and Specifications......431
    System Functional Schematic, Wiring Diagram, and Component Location Legend......434
    System Functional Schematic and Section Legend......441
    System Functional Schematic, Wiring Diagram, and Component Location Legend—Stage II Engine......445
    System Functional Schematic and Section Legend—Stage II Engine......452
    JDLink™ System Functional Schematic—MIG/GTT......460
    JDLink™ System Functional Schematic—MTG/SAT......462
    Canopy (ROPS) Harness (W5) Component Location......464
    Canopy (ROPS) Harness (W5) Wiring Diagram......466
    Engine Harness (W7) Component Location......470
    Engine Harness (W7) Wiring Diagram......473
    Transmission Harness (W9) Component Location......476
    Transmission Harness (W9) Wiring Diagram......477
    Cab Harness (W10) Component Location......478
    Cab Harness (W10) Wiring Diagram......480
    Roof Harness (W15) Component Location......484
    Roof Harness (W15) Wiring Diagram......485
    Air Conditioning Harness (W16) Component Location......487
    Air Conditioning Harness (W16) Wiring Diagram......489
    Selective Flow Control Harness (W17) Component Location......491
    Selective Flow Control Harness (W17) Wiring Diagram......493
    Ride Control Harness (W18, W19) Component Location......495
    Ride Control Harness (W18, W19) Wiring Diagram......497
    Radio Harness (W20) Component Location......499
    Radio Harness (W20) Wiring Diagram......500
    Loader Coupler Harness (W21, W22) Component Location......501
    Loader Coupler Harness (W21, W22) Wiring Diagram......503
    Pilot Control Harness (W23, W24) Component Location (S.N. —178748)......505
    Pilot Control Harness (W23, W24) Wiring Diagram (S.N. —178748)......507
    Pilot Control Harness (W24, W47, W48) Component Location (S.N. 178749— )......509
    Pilot Control Harness (W24, W47, W48) Wiring Diagram (S.N. 178749— )......511
    Return-to-Dig Harness (W25) Component Location......514
    Return-to-Dig Harness (W25) Wiring Diagram......515
    Pump Control Harness (W26) Component Location......516
    Pump Control Harness (W26) Wiring Diagram......517
    JDLink™ System Harnesses Component Location—MIG/GTT......518
    JDLink™ System Harnesses Component Location—MTG/SAT......520
    JDLink™ System Wiring Diagrams—MIG/GTT......522
    JDLink™ System Wiring Diagrams—MTG/SAT......525
    Diode Suppression Harness (W33) Wire Diagram—If Equipped......528
    Diode Suppression Harness (W33) Component Location—If Equipped......529
    Water-in-Fuel (WIF) Harnesses (W40, W41) Component Location......530
    Water-in-Fuel (WIF) Harnesses (W40, W41) Wiring Diagram......531
  Group 15: Sub-System Diagnostics......415
    Start and Charge Circuit Theory of Operation......536
    Start and Charge Circuit Theory of Operation—Stage II Engine......539
    Controller Area Network (CAN) Circuit Theory of Operation......541
    Engine Control Unit (ECU) Circuit Theory of Operation......543
    Engine Control Unit (ECU) Circuit Theory of Operation—Stage II Engine......549
    Flex Load Controller (FLC) Circuit Theory of Operation......552
    Standard Display Monitor (SDM) Circuit Theory of Operation......559
    JDLink™ Circuit Theory of Operation—If Equipped......563
  Group 16: Monitor Operation......415
    Standard Display Monitor (SDM)—Service Menu......566
    Standard Display Monitor (SDM)—Clear Codes......567
    Standard Display Monitor (SDM)—Diagnostics......568
    Standard Display Monitor (SDM)—Hide/Unhide Main Menu......571
    Standard Display Monitor (SDM)—Restore Monitor Defaults......572
    Standard Display Monitor (SDM)—Machine Options......573
    Standard Display Monitor (SDM)—Setting Hour Meter......574
    Anti-Theft Security System Enable/Disable......576
    Anti-Theft Security System Configuration......578
    Anti-Theft Security System Operation......582
  Group 20: References......416
    Service ADVISOR™ Connection Procedure......586
    JDLink™ System Identification......588
    JDLink™ Connection Procedure—If Equipped......591
    Reading Diagnostic Trouble Codes (DTCs)......592
    Diagnostic Trouble Code (DTC) Monitor Messages......595
    Intermittent Diagnostic Trouble Code (DTC) Diagnostics......596
    Controller Area Network (CAN) Resistor Test......597
    Controller Area Network (CAN) Circuit Test......599
    Alternator Test Procedure......608
    Electrical Component Specifications......609
    Wire Harness Test......612
    Sensor Circuit Check......613
    Crank Position Sensor Test......615
    Throttle Position Sensor Test......616
    Flex Load Controller (FLC) Output Test......617
    Transmission Solenoid Circuit Test......618
    Transmission Control Circuit Test......619
    Transmission Control Lever (TCL) Test......621
    Transmission Solenoid Check......623
    Seat Position Switches Remove and Install......624
    WEATHER PACK® Connector Remove and Install......625
    WEATHER PACK® Contact Installation......627
    DEUTSCH® Connector Remove and Install......629
    DEUTSCH® Contact Installation......633
    CINCH™ Connector Remove and Install......635
    CINCH™ Contact Installation......637
    CINCH™ CP Connector Remove and Install......639
    CINCH™ CP Contact Installation......648
    Metri-Pack® Connector Remove and Install......652
Section 9020: Power Train......655
  Group 05: Theory of Operation......655
    Power Shift Power Train Overview......660
    Clutch Modulation Operation......662
    Torque Converter Operation......664
    Transmission Pump Operation......666
    Transmission Filter Operation......667
    Clutch and Mechanical Front Wheel Drive (MFWD) Operation......668
    Power Shift Transmission Gear Flow......670
    Power Shift Transmission Clutch Engagement and Solenoids Activated......673
    Differential Operation......674
    Differential Lock Operation......676
    MICO Power Boost Brake Valve—Neutral Position......678
    MICO Power Boost Brake Valve—Both Pedals Applied Position......680
    MICO Power Boost Brake Valve—One Pedal Applied Position......682
    MICO Power Boost Brake Valve—Both Pedals Applied, Engine Off Position......684
    Service Brake Operation......686
    Park Brake Operation......687
    MFWD Differential Operation—Unequal Traction......689
    MFWD Differential Operation—Equal Traction—If Equipped......691
  Group 15: Diagnostic Information......655
    Power Train Component Location......695
    Hydraulic Circuit—Symbols......698
    Power Train Schematic—Neutral......699
    Power Train Schematic—First Forward Mechanical Front Wheel Drive (MFWD) Engaged......701
    Power Train Schematic—First Reverse......703
    Power Train Schematic—Fourth Forward......705
    Diagnose Transmission Malfunctions......707
    Transmission Slippage......655
    Machine Lacks Power or Moves Slow......655
    Transmission Overheats......655
    Excessive Power Train Noise......655
    Park Brake Piston Leak......655
    No Power to Mechanical Front Wheel Drive (MFWD)......656
    No Power to One Wheel of Mechanical Front Wheel Drive (MFWD)......656
    No Differential Lock Operation......676
    Differential Lock Slips or Chatters When Engaged......656
    Differential Lock Will Not Release......656
    Rear Axle Overfilled With Oil......656
    Poor Service Brakes......656
    Brake Pedal Hard to Push......656
    Service Brakes Will Not Release......656
    Service Brakes Chatter or Noisy......656
    Park Brake Will Not Hold......656
    Park Brake Will Not Release......656
  Group 20: Adjustments......656
    Park Brake Release for Towing......758
    Brake Pedal Adjustment......760
    Brake Bleeding Procedure......762
    Tracking Angle Check and Adjust......766
    Toe-In Check and Adjust......767
    Steering Angle Check and Adjust......769
  Group 25: Tests......656
    Transmission Oil Warm-Up Procedure......772
    Transmission Oil Sampling Procedure—If Equipped......774
    Power Shift Transmission Overall Test Connections, Ports, and Locations......775
    Torque Converter Stall Speed Test......777
    Torque Converter Inlet Pressure Test......780
    Brake Valve Leakage Test......785
    Park Brake Release Pressure Test......787
    Transmission System Pressure Test......789
    Service Brake Boost Pressure Test......792
    Clutch Pressure Test......795
    Differential Lock Pressure Test......798
    Mechanical Front Wheel Drive (MFWD) Pressure Test......800
    Cooler In and Cooler Out Pressure Test......802
    Solenoid Circuit Leakage Test......806
    Transmission Pump Flow Test......807
Section 9025: Hydraulic System......809
  Group 05: Theory of Operation......809
    Hydraulic System Operation......815
    Hydraulic Pump Operation......817
    Unloading Valve Operation......819
    Hydraulic Filter Operation......823
    Steering Valve Operation......828
    Priority Valve Operation......833
    Ride Control Hydraulic Circuit Component Location and Valve Operation......838
    System Relief Valve Operation......843
    Circuit Relief Valve without Anticavitation—Loader and Backhoe......845
    Circuit Relief Valve with Anticavitation—Backhoe Swing, Boom Lower......847
    Circuit Relief Valve with Anticavitation—Backhoe Bucket Curl and Loader Bucket Dump......848
    Backhoe Control Valve Selective Auxiliary Flow Section—If Equipped......850
    Backhoe Control Valve Swing Section—Swing Left Position......855
    Backhoe Control Valve Boom Section—Boom Lower Position......857
    Backhoe Control Valve Boom Section—Boom Raise Position (Pilot Control)......860
    Backhoe Control Valve Bucket Section—Bucket Curl Position......863
    Backhoe Control Valve Crowd Section—Crowd In Position......865
    Backhoe Control Valve Extendable Dipperstick Section—Neutral Position with Upstream Function Activated......868
    Pilot Control Valve Operation......870
    Pilot Control Manifold Valve Operation (S.N. —178748)......874
    Pattern Select Valve Operation (S.N. —178748)......876
    Pilot Enable and Pattern Select Valve Operation (S.N. 178749— )......877
    Loader and Stabilizer Control Valve Operation......879
    Attachment Coupler Hydraulic Operation......896
    Hydraulic Thumb Operation—If Equipped......898
  Group 15: Diagnostic Information......809
    Hydraulic System Schematic......907
    Hydraulic System Component Location......914
    Attachment Coupler Hydraulic Component Location......920
    Slow Steering Hydraulics......809
    No Steering Hydraulics, Loader Hydraulics OK......810
    Hard Steering, Loader Hydraulics OK......810
    Steering Valve Does Not Return to Neutral......810
    No Response when Steering Wheel is Turned, Loader Hydraulics OK......810
    Machine Turns in Opposite Direction......810
    Excessive Vibration of the Steering Wheel......810
    Machine Turns when Steering Valve is in Neutral......810
    Steering Wheel Kickback......810
    Excessive Steering Wheel Turns To Steer Machine......810
    Erratic (“Spongy”) Steering......810
    Steering Wheel "Locks" Up......810
    Poor Centering of Steering Wheel (Wheels Continue to Move After Steering Wheel is Stopped)......810
    Steering Wheel or Front Wheels Slowly Turn by Themselves When Using Backhoe or Loader......810
    Steering Wheel Turns Apply Rear Axle Service Brakes......810
    Steering Wheel Turns Freely With No Resistance or Action On Steered Wheels......810
    Steering Wheel Turns With Slight Resistance and No Action On Steered Wheels......810
    Wander—Vehicle Will Not Stay in a Straight Line......810
    No Loader or Steering Hydraulics......810
    No Loader Hydraulics......810
    Low Loader Hydraulic Power......810
    Low Hydraulic Power......810
    Engine Pulls Down Excessively During Loader Operation......810
    Engine Pulls Down Excessively During Backhoe Operation......810
    Slow Hydraulic Functions......810
    Loader or Backhoe Operates Slowly in One Function......810
    No Loader or Backhoe Power in One Function......810
    No Stabilizer Hydraulics......810
    Slow Loader and Backhoe Hydraulics......810
    Low Hydraulic Power (Low Hydraulic Pressure)......810
    Hydraulic Function Makes "Chattering" Noise......810
    Functions Drift......810
    Control Valve Sticks or Works Hard......810
    Hydraulic Oil Overheats......810
    Foaming Oil......811
    Hydraulic Pump Leaking......811
    Excessive Pump Noise......811
    Attachment Coupler Not Working......811
  Group 20: Adjustments......811
    Loader Bucket Self-Leveling Linkage and Return-To-Dig Switch Adjustment......1000
    Loader Lever and Stabilizer Lever Adjustment......1004
    Backhoe Control Lever to Valve Linkage (Two Lever) Adjustment......1008
    Backhoe Control Lever to Valve Linkage (Four Lever) Adjustment—If Equipped......1011
    Auxiliary Flow Control Valve Adjustment—If Equipped......1014
    Ride Control Accumulator Charge Procedure......1016
    Ride Control Accumulator Charge Check Procedure......1019
    Ride Control Accumulator Hydraulic Pressure Release Procedure......1021
    Pilot Control Pressure Adjustment......1022
    Pilot Control Manifold Valve Accumulator Discharge Procedure......1027
    Pilot Enable and Pattern Select Valve Accumulator Discharge Procedure......1028
  Group 25: Tests......811
    JT02156A Digital Pressure and Temperature Analyzer Kit Installation......1030
    Hydraulic Oil Warmup Procedure......1031
    Hydraulic Oil Sampling Procedure—If Equipped......1032
    Hydraulic Circuit Pressure Release......1033
    Hydraulic Pump Flow Test......1035
    Backhoe Relief Valve Pressure Test......1039
    Steering Load Sense Relief Valve Pressure Test......1042
    Hydraulic Pump Unloading Relief Valve Pressure Test......1044
    Pilot Control Pressure Test......1047
    Pilot Control Accumulator Charge Pressure Test......1048
    Hydraulic Oil Cooler Restriction Test......1051
    Circuit Relief Valve Test—With Remote Pump......1054
    Steering System Leakage Test......1058
    Steering Cylinder Leakage Test......1061
    Function Drift Test......1063
    Hydraulic Cylinder Leakage Test......1072
    Loader and Stabilizer Control Valve Lockout Leakage Test......1075
Section 9031: Heating and Air Conditioning......1077
  Group 05: Theory of Operation......1077
    Proper Refrigerant Handling......1115
    R134a Refrigerant Cautions......1116
    R134a Refrigerant Theory Of Operation......1082
    Air Conditioning Circuit Specifications......1084
    Air Conditioning Circuit Operational Information......1085
    Air Conditioning Circuit Theory of Operation......1086
    Freeze Control Switch Operation......1087
    Receiver/Dryer Operation......1088
    Expansion Valve Operation......1090
    Compressor Relief Valve Operation......1091
    Heater Blower Circuit Operational Information......1092
    Heater Blower Circuit Theory Of Operation......1093
    Temperature Control Operation......1094
  Group 15: Diagnostic Information......1077
    Air Conditioning System Does Not Operate......1077
    Air Conditioner Does Not Cool Interior of Cab......1077
    Air Conditioner Runs Constantly, Too Cold......1077
    Interior Windows Continue to Fog......1077
    Heater System Does Not Operate......1077
    Heater Does Not Warm Interior of Cab......1077
    Air Conditioning and Heater System Component Location......1112
  Group 25: Tests......1077
    Proper Refrigerant Handling......1115
    R134a Refrigerant Cautions......1116
    R134a Air Conditioning System Test......1117
    Operating Pressure Diagnostic Chart......1120
    Expansion Valve Operation Test......1125
    Blower Switch Test......1128
    Blower Resistor Test......1129
    Heater Blower Motor Test......1131
    Freeze Control Switch Test......1132
    Air Conditioning Switch Test......1133
    Binary Pressure Switch Test......1134
    Compressor Clutch Coil Test......1137
    Air Conditioning System Leak Test......1138
    Refrigerant Hoses And Tubing Inspection......1139

John Deere 310SJ Backhoe Loader (S.N. 159760-) Operation & Test Technical Manual - TM10848