John Deere 320G and 324G Skid Steer Loader Diagnosis and Tests Service Technical Manual (TM14292X19)
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 320G and 324G Skid Steer Loaders, with workshop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere 320G and 324G Skid Steer Loader workshop Diagnosis & Tests technical manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TM14292X19 - John Deere 320G and 324G Skid Steer Loader (EH Controls) Technical Manual.pdf
tm14292x28 - John Deere Chargeurs compacts 320G et 324G (commandes EH).pdf
tm14292x63 - John Deere 320G y 324G Minicargadora compacta (Controles EH).pdf
tm14292x59 - John Deere 320G и 324G Мини-погрузчики с бортовым поворотом.pdf
PRODUCT DETAILS:
Total Pages: 1,221 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Category: Operation and Test
Language: Spanish English French Russian
Published on 2019/10/11
John Deere - Skid Steer - 1T0320G_ _ _G328658-
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
Protect Against Noise...30
Avoid Unauthorized Machine Modifications...31
Control Pattern...32
Inspect Machine...33
Stay Clear of Moving Parts...34
Avoid High-Pressure Fluids...35
Avoid High-Pressure Oils...36
Work In Ventilated Area...37
Avoid Static Electricity Risk When Refueling...38
High Debris Applications...40
Prevent Fires...41
In Case of Machine Fire...42
Prevent Battery Explosions...43
Handle Chemical Products Safely...44
Handle Starting Fluid Safely...45
Decommissioning — Proper Recycling and Disposal of Fluids and Components...46
Prepare for Emergencies...47
Clean Debris from Machine...48
Add Cab Guarding for Special Uses...49
Use Steps and Handholds Correctly...50
Start Only From Operator's Seat...51
Use and Maintain Seat Belt...52
Prevent Unintended Machine Movement...53
Avoid Work Site Hazards...54
Keep Riders Off Machine...56
Avoid Backover Accidents...57
Avoid Machine Tip Over...58
Avoid Power Lines...59
Operating on Slopes...60
Operating or Traveling On Public Roads...61
Inspect and Maintain ROPS...62
Travel Safely...63
Prevent Acid Burns...64
Add and Operate Attachments Safely...66
Park and Prepare for Service Safely...67
Service Machines Safely...68
Service Cooling System Safely...69
Service Accumulator Systems Safely...70
Remove Paint Before Welding or Heating...71
Make Welding Repairs Safely...72
Drive Metal Pins Safely...73
Service Tires Safely...74
Use Proper Lifting Equipment...75
Section 9001: Diagnostics...76
Group 01: General Information...76
Diagnostic Trouble Code Designations...88
Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes...731
Engine Control Unit (ECU) Diagnostic Trouble Codes...731
000091.00 - Hand Throttle Very High...76
000091.01 - Hand Throttle Very Low...76
000091.02 - Hand Throttle Invalid...76
000091.03 - Hand Throttle Circuit Fault...76
000091.04 - Hand Throttle Circuit Fault...76
000091.15 - Hand Throttle Slightly Low...76
000167.01 - System Voltage Very Low...76
000167.04 - System Voltage Circuit Fault...76
000639.12 - CAN Communication Fault...76
001202.02 - ECU Invalid...76
001485.04 - Main Relay Circuit Fault...76
522241.02 - Fuel Actuator Invalid...76
522241.03 - Fuel Actuator Circuit Fault...76
522241.04 - Fuel Actuator Circuit Fault...76
522241.07 - Fuel Actuator Fault...76
522242.02 - Start Aid Invalid...76
522242.03 - Start Aid Circuit Fault...76
522242.04 - Start Aid Circuit Fault...76
522243.02 - Start Aid Invalid...76
522243.03 - Start Aid Circuit Fault...76
522243.04 - Start Aid Circuit Fault...76
522402.04 - Engine Speed Sensor...76
522730.08 - ECU Fault...76
522730.12 - ECU Fault...76
Group 20: Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes...731
Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes...731
000096.03 - Fuel Level Circuit Fault...76
000096.04 - Fuel Level Circuit Fault...77
000158.00 - System Voltage Very High...77
000158.01 - System Voltage Very Low...77
000162.04 - 2-Speed Switch Circuit Fault...77
000237.02 - Vehicle ID Invalid...77
000237.14 - Vehicle ID Fault...77
000237.31 - Vehicle ID Fault...77
000628.12 - Programming Fault...77
000920.05 - Alarm Output Circuit Fault...77
000920.06 - Alarm Output Circuit Fault...77
001196.11 - Antitheft Fault...77
001504.04 - Seat Switch Circuit Fault...77
002000.09 - ECU Communication Fault...77
002142.09 - SSM Communication Fault...77
002228.09 - HCU Communication Fault...77
002251.09 - SAR Communication Fault...77
003413.04 - Door Switch Circuit Fault...77
003597.03 - Sensor Supply 1 Circuit Fault...77
003597.04 - Sensor Supply 1 Circuit Fault...77
521050.04 - Aux Flow Switch Circuit Fault...77
521197.04 - Courtesy Light Sw Circuit Fault...77
522379.05 - Park Brake Sol Circuit Fault...77
522379.06 - Park Brake Sol Circuit Fault...77
522398.02 - Park Brake Switch Invalid...77
522398.04 - Park Brake Switch Circuit Fault...77
522438.04 - Self Level Switch Circuit Fault...77
522438.07 - Self Level Switch Fault...77
522826.00 - Fan Purge Switch Very High...77
522826.04 - Fan Purge Switch Circuit Fault...77
522827.04 - Fan Auto Switch Circuit Fault...77
522828.03 - Creep Mode Switch Circuit Fault...77
522828.04 - Creep Mode Switch Circuit Fault...77
522828.07 - Creep Mode Switch Fault...77
522859.04 - Lap Bar Switch Circuit Fault...78
523217.06 - Hyd Valve Power 3 Circuit Fault...78
523218.06 - Hst Valve Power Circuit Fault...78
523219.06 - Hyd Valve Power 1 Circuit Fault...78
523693.03 - Aux Hydraulic In 1 Circuit Fault...78
523693.04 - Aux Hydraulic In 1 Circuit Fault...78
523694.03 - Aux Hydraulic In 2 Circuit Fault...78
523694.04 - Aux Hydraulic In 2 Circuit Fault...78
523694.12 - Aux Hydraulic In 2 Fault...78
523822.04 - High Flow Switch Circuit Fault...78
523935.05 - Aux Hyd Extend Sol Circuit Fault...78
523935.06 - Aux Hyd Extend Sol Circuit Fault...78
523941.05 - Aux Hyd Retract Sol Circuit Fault...78
523941.06 - Aux Hyd Retract Sol Circuit Fault...78
523948.05 - Ride Control Sol 1 Circuit Fault...78
523948.06 - Ride Control Sol 1 Circuit Fault...78
523949.05 - Ride Control Sol 2 Circuit Fault...78
523949.06 - Ride Control Sol 2 Circuit Fault...78
524225.04 - Remote Start In Circuit Fault...78
524264.11 - Checksum Fault...78
Group 30: Hydraulic Control Unit (HCU) Diagnostic Trouble Codes...731
Hydraulic Control Unit (HCU) Diagnostic Trouble Codes...731
000630.13 - Calibration Memory Calibration...746
001594.00 - Left Speed In Very High...78
001594.01 - Left Speed In Very Low...78
001594.02 - Left Speed In Invalid...78
001594.14 - Left Speed In Fault...78
001595.00 - Right Speed In Very High...78
001595.01 - Right Speed In Very Low...78
001595.02 - Right Speed In Invalid...78
001595.14 - Right Speed In Fault...78
002201.09 - Right Joystick Communication Fault...78
002213.09 - Left Joystick Communication Fault...78
002660.07 - Right Joystick X Fault...79
002661.07 - Right Joystick Y Fault...79
002697.07 - Left Joystick X Fault...79
002698.07 - Left Joystick Y Fault...79
516197.06 - Hyd Port Lock Sol Circuit Fault...79
520652.05 - Bucket Curl Sol Circuit Fault...79
520652.06 - Bucket Curl Sol Circuit Fault...79
520653.05 - Bucket Dump Sol Circuit Fault...79
520653.06 - Bucket Dump Sol Circuit Fault...79
520882.13 - Loader Threshold Calibration...746
522447.05 - Right Pump Fwd Sol Circuit Fault...79
522447.06 - Right Pump Fwd Sol Circuit Fault...79
522448.05 - Right Pump Rev Sol Circuit Fault...79
522448.06 - Right Pump Rev Sol Circuit Fault...79
522449.05 - Left Pump Rev Sol Circuit Fault...79
522449.06 - Left Pump Rev Sol Circuit Fault...79
522450.05 - Left Pump Fwd Sol Circuit Fault...79
522450.06 - Left Pump Fwd Sol Circuit Fault...79
523108.13 - Transmission Calibration...746
523217.03 - Hyd Valve Power 3 Circuit Fault...79
523217.04 - Hyd Valve Power 3 Circuit Fault...79
523218.03 - Hst Valve Power Circuit Fault...79
523218.04 - Hst Valve Power Circuit Fault...79
523219.03 - Hyd Valve Power 1 Circuit Fault...79
523219.04 - Hyd Valve Power 1 Circuit Fault...79
523411.05 - Boom Down Sol Circuit Fault...79
523411.06 - Boom Down Sol Circuit Fault...79
523411.16 - Boom Down Sol Moderately High...79
523414.05 - Boom Up Sol Circuit Fault...79
523414.06 - Boom Up Sol Circuit Fault...79
523414.16 - Boom Up Sol Moderately High...79
Group 40: Left Joystick Controller (JSL) Diagnostic Trouble Codes...731
Left Joystick Controller (JSL) Diagnostic Trouble Codes...731
002697.03 - Left Joystick X Circuit Fault...80
002697.04 - Left Joystick X Circuit Fault...80
002697.13 - Left Joystick X Calibration...746
002697.14 - Left Joystick X Fault...80
002698.03 - Left Joystick Y Circuit Fault...80
002698.04 - Left Joystick Y Circuit Fault...80
002698.13 - Left Joystick Y Calibration...746
002698.14 - Left Joystick Y Fault...80
Group 50: Right Joystick Controller (JSR) Diagnostic Trouble Codes...731
Right Joystick Controller (JSR) Diagnostic Trouble Codes...731
002660.03 - Right Joystick X Circuit Fault...80
002660.04 - Right Joystick X Circuit Fault...80
002660.13 - Right Joystick X Calibration...746
002660.14 - Right Joystick X Fault...80
002661.03 - Right Joystick Y Circuit Fault...80
002661.04 - Right Joystick Y Circuit Fault...80
002661.13 - Right Joystick Y Calibration...746
002661.14 - Right Joystick Y Fault...80
Group 60: Sealed Switch Module (SSM) Diagnostic Trouble Codes...731
Sealed Switch Module (SSM) Diagnostic Trouble Codes...731
000629.12 - Control Unit Fault...80
002033.09 - VCU Communication Fault...80
002634.04 - Ignition Relay Circuit Fault...80
002634.05 - Ignition Relay Circuit Fault...80
003997.04 - Wake Up Output Circuit Fault...80
003997.05 - Wake Up Output Circuit Fault...80
523850.04 - SSM Button 15 Circuit Fault...80
523850.09 - SSM Button 15 Communication Fault...80
523852.04 - SSM Button 14 Circuit Fault...80
523852.09 - SSM Button 14 Communication Fault...80
523854.04 - SSM Button 13 Circuit Fault...80
523854.09 - SSM Button 13 Communication Fault...80
523855.04 - SSM Button 12 Circuit Fault...80
523855.09 - SSM Button 12 Communication Fault...81
523856.04 - SSM Button 11 Circuit Fault...81
523856.09 - SSM Button 11 Communication Fault...81
523857.04 - SSM Button 10 Circuit Fault...81
523857.09 - SSM Button 10 Communication Fault...81
523858.04 - SSM Button 9 Circuit Fault...81
523858.09 - SSM Button 9 Communication Fault...81
523860.04 - SSM Button 8 Circuit Fault...81
523860.09 - SSM Button 8 Communication Fault...81
523861.04 - SSM Button 7 Circuit Fault...81
523861.09 - SSM Button 7 Communication Fault...81
523862.04 - SSM Button 6 Circuit Fault...81
523862.09 - SSM Button 6 Communication Fault...81
523863.04 - SSM Button 5 Circuit Fault...81
523863.09 - SSM Button 5 Communication Fault...81
523864.04 - SSM Button 4 Circuit Fault...81
523864.09 - SSM Button 4 Communication Fault...81
523865.04 - SSM Button 3 Circuit Fault...81
523865.09 - SSM Button 3 Communication Fault...81
523867.04 - SSM Button 2 Circuit Fault...81
523867.09 - SSM Button 2 Communication Fault...81
523868.04 - SSM Button 1 Circuit Fault...81
523868.09 - SSM Button 1 Communication Fault...81
Group 70: Vehicle Control Unit (VCU) Diagnostic Trouble Codes...731
Vehicle Control Unit (VCU) Diagnostic Trouble Codes...731
000029.03 - Foot Throttle Circuit Fault...81
000029.04 - Foot Throttle Circuit Fault...81
000100.01 - Oil Pressure Very Low...81
000100.03 - Oil Pressure Circuit Fault...81
000158.03 - System Voltage Circuit Fault...81
000158.04 - System Voltage Circuit Fault...81
000168.03 - Battery Voltage Circuit Fault...81
000168.04 - Battery Voltage Circuit Fault...81
000628.12 - Programming Fault...82
000977.05 - Fan Direction Sol Circuit Fault...82
000977.06 - Fan Direction Sol Circuit Fault...82
001071.05 - Fan Speed Sol Circuit Fault...82
001071.06 - Fan Speed Sol Circuit Fault...82
001508.00 - Hydraulic Oil Temp Very High...82
001508.03 - Hydraulic Oil Temp Circuit Fault...82
001508.04 - Hydraulic Oil Temp Circuit Fault...82
001713.00 - Hyd Filter Switch Very High...82
001713.03 - Hyd Filter Switch Circuit Fault...82
003512.03 - Sensor Supply 4 Circuit Fault...82
003512.04 - Sensor Supply 4 Circuit Fault...82
003599.03 - Sensor Supply 3 Circuit Fault...82
003599.04 - Sensor Supply 3 Circuit Fault...82
004056.05 - 2-Speed Output Circuit Fault...82
004056.06 - 2-Speed Output Circuit Fault...82
516249.04 - Sensor Supply 1 Circuit Fault...82
520194.13 - Vehicle ID Calibration...746
520194.14 - Vehicle ID Fault...82
520714.05 - Self Level Circuit Fault...82
520714.06 - Self Level Circuit Fault...82
520849.03 - Right JS Trigger Circuit Fault...82
520849.04 - Right JS Trigger Circuit Fault...82
521466.05 - Fan Direction Sol Circuit Fault...82
521466.06 - Fan Direction Sol Circuit Fault...82
521806.05 - Hst Bypass Sol Circuit Fault...82
521806.06 - Hst Bypass Sol Circuit Fault...82
522323.00 - Eng Air Filter Restr Very High...82
522820.05 - High Flow Sol Circuit Fault...82
522820.06 - High Flow Sol Circuit Fault...82
524084.00 - Hst Oil Temp Very High...82
524084.03 - Hst Oil Temp Circuit Fault...82
524084.04 - Hst Oil Temp Circuit Fault...82
524264.11 - Checksum Error...83
Group 80: Rear Camera Display (VC1) Diagnostic Trouble Codes...731
Rear Camera Display (VC1) Diagnostic Trouble Codes...731
000629.12 - Control Unit Fault...83
516628.10 - Monitor Button Fault...83
516629.10 - Monitor Button Fault...83
516630.10 - Monitor Button Fault...83
520760.02 - Camera Signal Invalid...83
521857.10 - Monitor Button Fault...83
521858.10 - Monitor Button Fault...83
521859.10 - Monitor Button Fault...83
Section 9005: Operational Checkout Procedure...459
Group 10: Operational Checkout Procedure...459
Operational Checkout...493
Section 9010: Engine...526
Group 05: Theory of Operation...526
John Deere Engine...551
Engine Identification...529
Cold Start Operation...532
Group 10: System Diagrams...526
John Deere Engine...551
Engine Cooling System Component Location...537
Engine Fuel System Component Location...539
Engine Intake and Exhaust Component Location...541
Group 15: Diagnostic Information...526
John Deere Engine...551
Engine Hard to Start or Does Not Start When Cold...526
Group 20: Adjustments...526
John Deere Engine...551
Group 25: Tests...526
John Deere Engine...551
Fluid Sampling Procedure—If Equipped...552
Section 9015: Electrical System...557
Group 05: Theory of Operation...557
Starting Circuit Theory of Operation...568
Controller Area Network (CAN) Theory of Operation...575
Rear Camera Circuit Theory of Operation...580
Engine Control Unit (ECU) Circuit Theory of Operation...582
Engagement and Monitor Unit (EMU) Circuit Theory of Operation...589
Lighting Circuit Theory of Operation...597
Hydraulic System Control Circuit Theory of Operation...600
Backup Alarm Circuit Theory of Operation...609
Quik-Tatch™ Circuit Theory of Operation—If Equipped...611
JDLink™ Circuit Theory of Operation...613
Hydrostatic System Control Circuit Theory of Operation...615
Hydraulic Fan Control Circuit Theory of Operation...624
Group 10: System Diagrams...557
Electrical Diagram Information...632
Electrical Schematic Symbols...635
Fuse and Relay Specifications...638
System Functional Schematic, Wiring Diagram, and Component Location Master Legend...642
System Functional Schematic...647
Rear Engine Harness (W1) Component Location...651
Rear Engine Harness (W1) Wiring Diagram...653
Cab Harness (W2) Component Location...654
Cab Harness (W2) Wiring Diagram...656
Left Main Harness (W3) Component Location...659
Left Main Harness (W3) Wiring Diagram...660
Right Main Harness (W4) Component Location...663
Right Main Harness (W4) Wiring Diagram...665
Dual Flasher Harness (W5) Component Location...668
Dual Flasher Harness (W5) Wiring Diagram...669
Control Valve Harness (W6) Component Location...671
Control Valve Harness (W6) Wiring Diagram...672
JDLink™ Harness (W7) Component Location...673
JDLink™ Harness (W7) Wiring Diagram...674
Radio Harness (W8) Component Location...675
Radio Harness (W8) Wiring Diagram...676
Rear Camera Harness (W10) Component Location...677
Rear Camera Harness (W10) Wiring Diagram...678
Attachment Control Frame Harness (W11) Component Location...679
Attachment Control Frame Harness (W11) Wiring Diagram...680
Attachment Control Boom Harness (W12) Component Location...681
Attachment Control Boom Harness (W12) Wiring Diagram...682
Heater and Air Conditioner Harness (W17) Component Location...684
Heater and Air Conditioner Harness (W17) Wiring Diagram...685
High/Low-Pressure Switch and Heater Valve Motor Harness (W18) Component Location...686
High/Low-Pressure Switch and Heater Valve Motor Harness (W18) Wiring Diagram...687
Creep Mode Speed Switch Harness (W19) Component Location...688
Creep Mode Speed Switch Harness (W19) Wiring Diagram...689
Engine Interface Harness (W20) Component Location...690
Engine Interface Harness (W20) Wiring Diagram...691
Engine Harness (W21) Component Location...692
Engine Harness (W21) Wiring Diagram...693
Joystick Jumper Harness (W25) Component Location...694
Joystick Jumper Harness (W25) Wiring Diagram...695
Quik-Tatch™ Frame Harness (W40) Component Location...696
Quik-Tatch™ Frame Harness (W40) Wiring Diagram...697
Quik-Tatch™ Boom Harness (W42) Component Location...698
Quik-Tatch™ Boom Harness (W42) Wiring Diagram...699
Quik-Tatch™ Actuator Harness (W44) Component Location...700
Quik-Tatch™ Actuator Harness (W44) Wiring Diagram...701
Group 15: Diagnostic Information...558
Service ADVISOR™ Diagnostic Application...703
Service ADVISOR™ Connection Procedure...704
Service ADVISOR™ Controller Connectivity Check...706
Using Service ADVISOR™ Remote...709
Reading Diagnostic Trouble Codes With Service ADVISOR™ Diagnostic Application...712
Intermittent Diagnostic Trouble Code (DTC) Diagnostics...716
Diagnostic Trouble Codes—After Machine Repair...717
Group 16: Monitor Operation...559
Engagement and Monitor Unit Operation...721
Engagement and Monitor Unit Display Messages...724
Service Mode...728
Shift Mode...730
Codes...731
Diagnostics—Switches...732
Diagnostics—Sensors...733
Diagnostics—Left Joystick...734
Diagnostics—Right Joystick...735
Diagnostics—Speeds...736
Diagnostics—VCU Outputs...737
Diagnostics—EMU Outputs...738
Diagnostics—ECU Outputs...739
Diagnostics—VCU Power...740
Diagnostics—EMU Power...741
Diagnostics—ECU Power...742
Diagnostics—Controller Info...743
Diagnostics—Cal Values...744
Antitheft—Master Code...745
Calibration...746
Owner Controls...747
Anti-Theft Security System Configuration—If Equipped...749
Anti-Theft Security System Enable—If Equipped...754
Anti-Theft Security System Operation—If Equipped...756
Group 17: Diagnostic Test Box...559
Setup and Functional Test...767
Two Wire Sensor Circuit Check—Out of Range High...776
Two Wire Sensor Circuit Check—Out of Range Low...778
Three Wire Sensor Circuit Check—Out of Range High...780
Three Wire Sensor Circuit Check—Out of Range Low...782
Group 20: Adjustments...560
Hydrostatic System Calibration...787
Boom and Bucket Calibration...790
Auxiliary Hydraulics Calibration...792
Manual Tracking Adjustment...794
Group 25: Tests...560
Electrical Component Checks...807
Electrical Component Specifications...819
Solenoid Test...825
Alternator Test...852
Controller Area Network (CAN) Circuit Test...854
Section 9020: Power Train...865
Group 05: Theory of Operation...865
Power Train System Operation...867
Group 10: System Diagrams...865
Power Train Component Location...871
Group 15: Diagnostic Information...865
Oil Leak From Power Train...865
Excessive Axle Play...865
Drive Chain Noise...865
Grinding Noise...865
One Drive Wheel Not Powered...865
Both Wheels On One Side Not Powered...865
Group 20: Adjustments...865
Drive Chain Tension Check and Adjustment...888
Section 9025: Hydraulic System...891
Group 05: Theory of Operation...891
Hydraulic System Operation...895
Hydraulic Oil Filter Manifold Operation...897
High Flow Pump Operation—If Equipped...898
Self Leveling Valve Operation—If Equipped...902
Ride Control Operation—If Equipped...904
Hydraulic Pump Operation...906
Hydraulic Fan Operation...908
Hydraulic Control Valve Operation...911
Pump Pressure Bypass Valve Operation...917
Group 10: System Diagrams...891
Hydraulic System Schematic...925
Hydraulic System Component Location...931
Group 15: Diagnostic Information...891
Diagnose Hydraulic System Malfunctions...934
No Hydraulic Functions...891
Boom Will Not Raise...891
Boom Will Not Lower...891
Bucket Will Not Dump...891
Bucket Will Not Curl...891
Bucket Will Not Self Level When Boom is Raised...891
Bucket Dumps During Self Leveling Cycle...891
Boom Drifts Down...891
Boom Drifts Up...891
Bucket Drifts Down...891
Bucket Drifts Up...891
Hydraulic Functions Slow or No Power...891
Hydraulic Functions “Jerky” or “Spongy”...891
Hydraulic System Noise...891
Hydraulic Oil Overheats...891
Hydraulic Fan System Malfunctions...891
Hydraulic Fan Will Not Reverse Direction...892
Group 20: Adjustments...892
Ride Control Accumulator Gas Charge Procedure—If Equipped...1017
Group 25: Tests...892
JT05800 Digital Thermometer Installation...1021
JT02156A Digital Pressure and Temperature Analyzer Kit Installation...1022
Remote Start Box Installation...1023
Hydraulic System Pressure Release...1025
Port Lock Solenoid Valve and Port Lock Spool Test...1027
Hydraulic System Relief Valve Test...1028
Charge Pressure Relief Valve Test...1031
High Flow Relief Valve Test...1034
Circuit Relief Valve Test...1037
Function Drift Test...1046
Hydraulic Cylinder Leakage Test...1053
Hydraulic Pump Flow Test...1055
Charge Pump Flow Test...1063
Hydraulic Fan Motor Speed Test...1066
Hydraulic Fan Motor Case Drain Test...1069
Auxiliary Coupler Manifold Leakage Test...1073
Section 9026: Hydrostatic System...1075
Group 05: Theory of Operation...1075
Hydrostatic System Operation...1077
Hydrostatic Pump Operation...1078
Charge Pump Operation...1085
Hydrostatic Motor Operation—Single Speed...1087
Hydrostatic Motor Operation—Two-Speed...1089
Hydrostatic Control Valve Operation...1093
Park Brake System Operation...1095
Group 10: System Diagrams...1075
Hydrostatic System Schematic...1098
Hydrostatic System Component Location...1099
Group 15: Diagnostic Information...1075
Machine Does Not Move In Either Direction...1075
Hydrostatic Pump Or Hydrostatic Motor Noise...1075
Slow Response To Changes In Speed...1075
Low Power...1075
Wheels Powered On One Side, Not The Other...1075
Machine Will Not Shift Into Or Out Of High Speed...1075
Mistracking...1075
Park Brakes Do Not Hold...1075
Park Brakes Do Not Release...1075
Grinding Noise While Operating Machine...1075
Group 25: Tests...1075
Engine Speed Control for Testing...1133
Multi-Function Valve Pressure Relief Test...1134
Hydrostatic Pump Flow Test...1138
Hydrostatic Pump Mechanical Neutral Adjustment...1143
Hydrostatic Pump Control Neutral Adjustment...1149
Wheel Speed Test...1152
Park Brake Release Pressure Test...1154
Hydrostatic Motor Case Drain Test—Single Speed...1158
Section 9031: Heating and Air Conditioning...1162
Group 05: Theory of Operation...1162
Air Conditioning System Cycle of Operation...1165
Group 10: System Diagrams...1162
Heating and Air Conditioning System Component Location...1168
Group 15: Diagnostic Information...1162
Air Conditioning System Does Not Operate...1162
Air Conditioning System Does Not Cool Interior of Cab...1162
Air Conditioning System Runs Constantly, Too Cold...1162
Heating System Does Not Operate...1162
Heating System Does Not Warm Interior of Cab...1162
Interior Windows Continue to Fog...1162
Group 25: Tests...1162
R134a Refrigerant Cautions and Proper Handling...1199
R134a Oil Charge Capacity...1200
R134a Refrigerant Charge Capacity...1201
Heater and Air Conditioner Operational Checks...1202
Air Conditioner Compressor Clutch Test...1206
R134a Refrigerant Leak Test...1207
R134a Refrigerant Hoses and Tubing Inspection...1208
Air Conditioner High/Low-Pressure Switch Test...1209
Air Conditioner Freeze Control Switch Test...1212
Air Conditioning System Test...1214
Operating Pressure Diagnostic Chart...1217
Section 9900: Dealer Fabricated Tools...1219
Group 99: Dealer Fabricated Tools...1219
DFT1318 Motor Speed Sensor Test Harness...1222
DFT1325 Solenoid Power Harness...1224
John Deere 320G and 324G Skid Steer Loader Diagnosis and Tests Service Technical Manual (TM14292X19)
