John Deere 540H and 548H Skidder ( —630435) 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 document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.

TM11329 - John Deere 540H and 548H Skidder ( —630435) Technical Manual.pdf
tm11331 - John Deere Débusqueurs 540H et 548H ( —630435).pdf
tm11395 - John Deere Skidder 540H und 548H ( —630435).pdf
tm11332 - John Deere Remolcadores de troncos 540H y 548H ( —630435).pdf

Category: Operation and Test
Language: English Spanish French German
Published on 2018/09/06

TABLE OF CONTENTS
Section 9000: General Information...18
  Group 01: Safety...18
    Recognize Safety Information...21
    Follow Safety Instructions...22
    Operate Only If Qualified...23
    Wear Protective Equipment...24
    Avoid Unauthorized Machine Modifications...25
    Inspect Machine...26
    Stay Clear of Moving Parts...27
    Avoid High-Pressure Fluids...28
    Avoid High-Pressure Oils...29
    Do Not Use Starting Fluid...30
    Beware of Exhaust Fumes...31
    Prevent Fires...32
    Clean Debris from Machine...33
    Prevent Battery Explosions...34
    Handle Chemical Products Safely...35
    Dispose of Waste Properly...36
    Prepare for Emergencies...37
    Use Steps and Handholds Correctly...38
    Start Only From Operator's Seat...39
    Use and Maintain Seat Belt...40
    Prevent Unintended Machine Movement...41
    Avoid Work Site Hazards...42
    Operate Machine Safely...43
    Keep Riders Off Machine...44
    Avoid Backover Accidents...45
    Avoid Machine Tip Over...46
    Operating on Slopes...48
    Operating or Traveling On Public Roads...49
    Inspect and Maintain ROPS...50
    Keep the Operator Protective Structure (OPS) in Place...51
    Add and Operate Attachments Safely...52
    Park and Prepare for Service Safely...53
    Service Tires Safely...55
    Service Cooling System Safely...56
    Remove Paint Before Welding or Heating...57
    Make Welding Repairs Safely...58
    Drive Metal Pins Safely...59
Section 9001: Diagnostic Trouble Codes (DTC)...60
  Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes...65
    Engine Control Unit (ECU) Diagnostic Trouble Codes...65
    000091.03 - Throttle Voltage Out of Range High...60
    000091.04 - Throttle Voltage Out of Range Low...60
    000647.05 - Fan Proportional Solenoid Out of Range Low...60
    000647.30 - Reversing Fan Switch Active Too Long...60
    000676.03 - Glow Plug Relay Out of Range High...60
    000676.05 - Glow Plug Relay Out of Range Low...60
    001075.05 - Low Pressure Fuel Pump Out of Range Low...60
    001075.06 - Low Pressure Fuel Pump Out of Range High...60
    002003.09 - TCU Communication Data Error...60
    002003.13 - TCU Communication Calibrate Error...60
    002017.09 - SDM Communication Data Error...60
    002017.13 - SDM Communication Calibrate Error...60
    002883.03 - Engine Speed Switch Out of Range High...60
    002883.04 - Engine Speed Switch Out of Range Low...60
  Group 20: Transmission Control Unit (TCU) Diagnostic Trouble Codes...107
    Transmission Control Unit (TCU) Diagnostic Trouble Codes...107
    000177.12 - Oil Temp Sensor Out of Range...60
    000525.02 - Shift Parameter Erratic or Bad Data...60
    000525.12 - Request for an Unidentified Shift Being Made...60
    002000.09 - ECU Communication Data Error...60
    002000.13 - ECU Communication Calibrate Error...60
    298626.03 - Park and Not Park Active Out of Range High...60
    298626.04 - Park and Not Park Active Out of Range Low...60
    298678.04 - Clutch Valve Supply Voltage Out of Range Low...60
    298808.31 - Output Speed Sensor Condition Exists...60
    298809.31 - Starter Input Signal High...60
    298810.05 - Solenoid C Out of Range Low...60
    298810.06 - Solenoid C Out of Range High...60
    298811.05 - Solenoid B Out of Range Low...60
    298811.06 - Solenoid B Out of Range High...60
    298812.05 - Solenoid A Out of Range Low...61
    298812.06 - Solenoid A Out of Range High...61
    298813.05 - Solenoid 4 Out of Range Low...61
    298813.06 - Solenoid 4 Out of Range High...61
    298814.05 - Solenoid 3 Out of Range Low...61
    298814.06 - Solenoid 3 Out of Range High...61
    298815.05 - Solenoid 2 Out of Range Low...61
    298815.06 - Solenoid 2 Out of Range High...61
    298818.31 - Directional Clutch Slip Condition Exists...61
    298819.31 - Speed Clutch Slip Condition Exists...61
    298903.31 - Inching Pedal Switch Input Invalid...61
    298904.03 - Inching Pedal Potentiometer Out of Range High...61
    298904.04 - Inching Pedal Potentiometer Out of Range Low...61
    298907.31 - Not Park and Park Pressure Inputs Passive...61
    298919.31 - Not Park and Park Pressure Inputs Active...61
    298925.31 - Shifter Neutral and Reverse Inputs Active...61
    298926.31 - Shifter Neutral and Forward Inputs Active...61
    298927.31 - Neutral Forward Reverse Inputs Passive...61
    298928.31 - Upshift and Downshift Inputs Active...61
    298929.31 - Bottom of Clutch Input Passive...61
    298931.31 - Output Speed Sensor Out of Range...61
    298932.31 - Calibration Without Park Brake Applied...61
    298933.31 - EEPROM Shift Parameter Condition...61
    298934.03 - Solenoid Group 3 Out of Range High...61
    298934.04 - Solenoid Group 3 Out of Range Low...61
    298935.03 - Solenoid Group 2 Out of Range High...61
    298935.04 - Solenoid Group 2 Out of Range Low...61
    298936.03 - Solenoid Group 1 Out of Range High...61
    298936.04 - Solenoid Group 1 Out of Range Low...61
    298937.31 - Hold Clutch Pressure Condition...61
    298939.31 - Calibrating Clutch Pressure Condition...61
    298940.31 - Clutch D Fast Fill Time Condition...61
    298941.31 - Clutch C Fast Fill Time Condition...61
    298942.31 - Clutch B Fast Fill Time Condition...62
    298943.31 - Clutch A Fast Fill Time Condition...62
    298944.31 - Clutch 4 Fast Fill Time Condition...62
    298945.31 - Clutch 3 Fast Fill Time Condition...62
    298946.31 - Clutch 2 Fast Fill Time Condition...62
    298947.31 - Clutch 1 Fast Fill Time Condition...62
    298948.31 - Cylinder Speed With Reverse Clutch Condition...62
    298949.31 - Cylinder Speed With Forward Clutch Condition...62
    298950.31 - Cylinder Speed Condition...62
    298951.31 - Engine Speed Too Low For Calibration...62
    298952.31 - Engine Speed Too High For Calibration...62
    298953.31 - Sump Temp Too Low For Calibration...62
    298954.05 - Solenoid 1 Out of Range Low...62
    298954.06 - Solenoid 1 Out of Range High...62
    298955.05 - Solenoid D Out of Range Low...62
    298955.06 - Solenoid D Out of Range High...62
    299359.31 - Forward and Reverse Inputs Active...62
    523120.16 - Clutch Temperature Moderately High Value...62
    523656.05 - Dual Mode Steer Output Out of Range Low...62
    523656.06 - Dual Mode Steer Output Out of Range High...62
    523689.04 - Differential Lock Short to Ground...62
    523925.03 - Dual Mode Steer Switch Out of Range High...62
    523925.04 - Dual Mode Steer Switch Out of Range Low...62
    523697.09 - Top of Clutch Input Passive Abnormal Data Rate...62
  Group 30: Standard Display Monitor (SDM) Diagnostic Trouble Codes...285
    Standard Display Monitor (SDM) Diagnostic Trouble Codes...285
    000096.03 - Fuel Level Sensor Out of Range High...62
    000096.04 - Fuel Level Sensor Out of Range Low...62
    000107.00 - Engine Air Filter Restriction Data Above Normal...62
    000126.00 - Transmission Oil Filter Restriction Data Above Normal...62
    000158.00 - System Voltage Data Above Normal...62
    000158.01 - System Voltage Data Below Normal...62
    001508.00 - Hydraulic Reservoir Oil Temperature Sensor Data Above Normal...62
    001508.03 - Hydraulic Reservoir Oil Temperature Sensor Out of Range High...63
    001508.04 - Hydraulic Reservoir Oil Temperature Sensor Out of Range Low...63
    001508.16 - Hydraulic Oil Temp Sensor Moderately High Value...63
    001713.00 - Hydraulic Oil Filter Restriction Data Above Normal...63
    002000.09 - ECU Communication Data Error...63
    002000.13 - ECU Communication Calibrate Error...63
    002003.09 - TCU Communication Data Error...63
Section 9005: Operational Checkout...330
  Group 10: Operational Checks...330
    Complete Machine Operational Checkout...390
Section 9010: Engine...449
  Group 05: Theory of Operation...449
    PowerTech Plus™ 6.8L (6068) John Deere Engine—6.8L Tier 3/Stage IIIA...467
    Engine Fuel System Component Location...452
    Engine Cooling System Component Location...454
    Engine Fluid Sample Port Locations...455
    Cold Weather Starting Aid...456
  Group 15: Diagnostic Information...449
    PowerTech Plus™ 6.8L (6068) John Deere Engine—6.8L Tier 3/Stage IIIA...467
    Engine Will Not Crank...449
    Engine Coolant Temperature Above Normal...449
    Engine Coolant Temperature Below Normal...449
  Group 25: Tests...449
    PowerTech Plus™ 6.8L (6068) John Deere Engine—6.8L Tier 3/Stage IIIA...467
    Fuel Line Leakage Test...468
    Air Intake System Leakage Test...469
    Air Filter Restriction Switch Test...472
    Engine Slow and Fast Idle Speed Check...475
Section 9015: Electrical System...476
  Group 05: System Information...476
    Electrical Diagram Information...484
  Group 10: System Diagrams...476
    Fuse Specifications...491
    System Functional Schematic, Wiring Diagrams and Component Locations Legend...493
    System Functional Schematic and Section Legend...499
    Cab Roof Harness (W9) Component Location...511
    Cab Roof Harness (W9) Wiring Diagram...513
    Load Center Harness (W10) Component Location...515
    Load Center Harness (W10) Wiring Diagram...517
    Engine Interface Harness (W11) Component Location...520
    Engine Interface Harness (W11) Wiring Diagram...521
    Engine Harness (W12) Component Location...523
    Engine Harness (W12) Wiring Diagram...525
    Transmission Harness (W13) Component Location...527
    Transmission Harness (W13) Wiring Diagram...529
    Hydraulic Reservoir Harness (W14) Component Location...530
    Hydraulic Reservoir Harness (W14) Wiring Diagram...531
    Fuel Sensor and Backup Alarm Harness (W15) Component Location...532
    Fuel Sensor and Backup Alarm Harness (W15) Wiring Diagram...533
    Radio Harness (W17) Component Location...534
    Radio Harness (W17) Wiring Diagram...535
    Secondary Steering Harness (W19) Component Location...536
    Secondary Steering Harness (W19) Wiring Diagram...537
    Grapple Rotate and Open/Close Harness (W24) Component Location—Pilot Control...539
    Grapple Rotate and Open/Close Harness (W24) Wiring Diagram—Pilot Control...541
    Grapple Rotate Harness (W25) Component Location—Mechanical Linkage...542
  Group 15: Sub System Diagnostics...476
    Power and Charging Circuits Theory of Operation...547
    Start Circuit Theory of Operation...551
    Park Brake Circuit Theory of Operation...554
    Controller Area Network (CAN) Circuit Theory of Operation...557
    Engine Control Unit (ECU) Circuit Theory of Operation...559
    Proportional Fan Speed and Reversing Fan Circuits Theory of Operation...569
    Transmission Control Unit (TCU) Circuit Theory of Operation...572
    De-clutch Circuit Theory of Operation...577
    Standard Display Monitor (SDM) Circuit Theory of Operation...578
    Grapple Control Circuit Theory of Operation...581
    Secondary Steering Circuit Theory of Operation...583
    Dual Mode Steer Circuit Theory of Operation...585
  Group 16: Monitor Operation...477
    Standard Display Monitor (SDM) Operation...591
    Standard Display Monitor (SDM) Menu Structure—Service Mode...595
    Standard Display Monitor (SDM)—Temperature Format...599
    Standard Display Monitor (SDM)—Change Units...600
    Standard Display Monitor (SDM)—Hide—Unhide Main Menu...601
  Group 20: References...477
    Electrical Component Specifications...606
    Service ADVISOR™ Connection Procedure...609
    Service ADVISOR™ Diagnostic Application...612
    Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application...613
    Intermittent Diagnostic Trouble Code (DTC) Diagnostics...614
    Transmission Diagnostic Trouble Codes—Limp Home Mode and Inchless Power Shift...615
    Calibration of Transmission Control Unit (TCU)...616
    Troubleshooting Transmission Gear Solenoid...619
    CAN Circuit Test...621
    Secondary Steering Controller Bench Test...625
    Two-Wire Sensor Circuit Check Using Standard Display Monitor (SDM) or SERVICE ADVISOR SERVICE ADVISOR is a trademark of Deere & Company...477
    Three-Wire Sensor Circuit Check Using Standard Display Monitor (SDM) or SERVICE ADVISOR SERVICE ADVISOR is a trademark of Deere & Company...477
    Bump Shifter Test...629
    Relay Test...631
    Diode Test...633
    Diode Module Test...634
    Alternator Test...636
    Battery Test Procedure...637
    Connector Terminal Test...638
    Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors...478
    Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors...478
    Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact...478
    Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector...478
    Replace SURE-SEAL SURE-SEAL is a trademark of ITT Cannon Electric. Connector with WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector...478
    Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact...478
    Remove Connector Body from Blade Terminals...653
    Crimper Tool For Transmission Control Unit Connector—Operation...654
    Crimper Tool For Transmission Control Unit Connector—Remove And Install Die Set...655
    Crimper Tool For Transmission Control Unit Connector—Contact Support Adjustment...657
    Crimper Tool For Transmission Control Unit Connector—Crimping Procedure...658
    Crimper Tool For Transmission Control Unit Connector—Crimp Height Inspection...661
    Crimper Tool For Transmission Control Unit Connector—Crimp Height Adjustment...662
    Replace Transmission Control Unit Connector Terminals...664
    Cinch CP Connector Assemble...666
    Cinch CP Connector Terminal Removal...673
    Cinch CP Connector Terminal Hand Crimp Process...676
    Transmission Control Unit (TCU) Remove and Install...680
    Engine Control Unit (ECU) Remove and Install...682
    Single Lever Pilot Control Relays Remove and Install...683
Section 9020: Power Train...684
  Group 05: Theory of Operation...684
    Power Train Component Overview...688
    DF180 Series Powershift Transmission...689
    TEAMMATE Axles...690
    Transmission Operation...691
    Transmission Component Identification...692
    Transmission Diagram...694
    Transmission Hydraulic System Operation...854
    Transmission Charge Pump Operation...699
    Transmission Filter Bypass Valve Operation...701
    Transmission Control Valve Port Identification...703
    Transmission Proportional Solenoid Valves Identification...705
    Transmission Control Valve Operation...706
    Transmission Pressure Regulator Valve Operation...708
    Park Brake and Differential Lock Control Valve...710
    Park Brake Control Circuit...712
    Park Brake Manual Release Operation...717
    Differential Lock Control Circuit...719
    Cold Weather Transmission Disconnect Operation—If Equipped...723
  Group 15: Diagnostic Information...684
    Transmission Overfills With Oil...684
    Transmission Clutch Slippage...684
    Transmission Shifts Too Slow...684
    Transmission Shifts Too Fast...684
    Park Brake Activates When Service Brakes Are Applied (No Load on Engine While in Gear)...684
    Machine Will Not Move (Load on Engine or Engine Stalls When Shifted Into Gear)...684
    Machine Creeps in Neutral (Load Put on Engine When Service Brakes are Applied)...684
    Transmission System Overheats...684
    Lube Pressure Low, Transmission Charge Pressure Normal...684
    Excessive Transmission Noise Under Load or No Load...684
    Machine Makes Excessive Transmission Noise When Moving...684
    Erratic Transmission Oil Pressure...684
    Excessive Transmission Oil Pressure...685
    Low Transmission Oil Pressure in All Gears...685
    Low Transmission Oil Pressure in One Gear but Correct in Other Gears...685
    Transmission Breather Oil Leakage...685
    Filter or Filter Oil Lines Blow Out...685
    Low Lube Pressure (Not All Gears)...685
    Excessive Lube Pressure (Not All Gears)...685
    Low Transmission Oil Cooler Inlet Pressure, Correct Lube Pressure...685
    Low Transmission Oil Cooler Inlet Pressure and Lube Pressure...685
    Transmission Oil Cooler Externally Leaking...685
    Machine “Jumps” When Inching Pedal Engaged...685
    Machine Lacks Power...685
    Excessive Machine Vibration...685
    Diagnose Cold Weather Disconnect Malfunctions...685
    Excessive Drive Line Vibration...685
    Park Brake Comes On While Using a Hydraulic Function...685
    Park Brake Engages While Machine Is Moving...685
    Park Brake Will Not Release...685
    No Differential Lock Operation...685
    Differential Lock Slippage...685
    Excessive Differential and/or Axle Noise...685
    Oil Seepage From Outer Axle Seal...685
    Power Train Component Location...809
  Group 20: Adjustments...685
    Inching Pedal Adjustment...814
    Park Brake Manual Release Procedure...817
    Cold Weather Disconnect Linkage Adjustment—If Equipped...822
  Group 25: Tests...685
    Transmission Oil Warm-Up Procedure...826
    Transmission Pump Flow Test...827
    Transmission System Pressure Test...830
    Transmission Lube Circuit Pressure Test...832
    Transmission Control Circuit Pressure Test...835
    Transmission Cooler Relief Valve Pressure Test...838
    Park Brake Pressure Test...840
    Differential Lock Pressure Test...844
Section 9025: Hydraulic System...849
  Group 05: Theory of Operation...849
    Hydraulic System Operation...854
    Main Pump and Reservoir Hydraulic Circuit Operation...855
    Cooling Loop and Reversing Fan Circuit Operation...857
    Service Brake Hydraulic Circuit Operation...859
    Steering and Secondary Steering Hydraulic Circuit Operation...861
    Dual Mode Steering Hydraulic Circuit Operation...863
    Single Function Manual Control Hydraulic Circuit Operation...866
    Pilot Control Hydraulic Circuit Operation...869
    Grapple Rotate Hydraulic Circuit Operation...872
    Main Hydraulic Pump and Pressure Compensator Operation...873
    Brake Accumulator Operation...876
    Hydraulic Reservoir Operation...877
    Hydraulic Oil Return Filter Operation...879
    Hydraulic Fan Filter Operation...881
    Brake Valve Operation...882
    Priority Valve Operation...885
    Steering Valve and System Operation...889
    Secondary Steering Inlet Manifold Operation...891
    120 Series Cylinder Operation...893
    Blade Manually Operated Valve Section Operation...895
    Arch Manually Operated Valve Section Operation...897
    Arch Pilot Operated Valve Section Operation...898
    System Relief Valve Operation...899
    Circuit Relief Valve—Adjustable With Anticavitation Operation...901
    Circuit Relief Valve—Non-Adjustable Operation...903
    Grapple Tong Manually Operated Valve Section Operation...904
    Grapple Tong Flow Divider Operation...906
    Pilot Controller Operation...908
    Grapple Rotate Solenoid Valve Operation...909
    Dual Mode Steering Solenoid Valve Operation...911
    Rotary Manifold Operation...913
    Fan Pump Operation...914
    Fan Variable Speed and Reversing Manifold Operation...917
    Reversing Fan Motor Operation...919
    Hydraulic Oil Cooler Operation...920
    Cab Tilt Circuit Operation...921
  Group 15: Diagnostic Information...850
    Hydraulic System Overheating...850
    Hydraulic Function Drifts Down...850
    No Steering or Hydraulic Functions...850
    Hydraulic Functions Slow...850
    Individual Functions Slow (Cycle Time Slow)...850
    No Hydraulic Functions (Steering Normal)...850
    Low Hydraulic Power (Pressure)...850
    Excessive Hydraulic Pump Noise...850
    Function Powers Up or Down Without Moving Lever...850
    Grapple Rotate Stalls...850
    Grapple Rotates Too Fast...850
    Grapple Rotates Slow...850
    Tongs Do Not Close Evenly...850
    Tongs Open or Close Slowly...850
    Grapple Loses Logs During Skidding...850
    Transmission Overfills With Oil...850
    No Steering (Hydraulic Functions Normal)...850
    Steering Valve Does Not Center...850
    Steering Valve Locks Up...850
    Frames Turn Wrong Direction...850
    Steering Slow or Hard...850
    Steering Erratic or Spongy...850
    Machine Wanders...850
    Quick Steer Mode Not Engaging...850
    Quick Steer Mode Not Disengaging...850
    Quick Steer Mode Engaging When Disengaged...850
    Poor or No Brakes (Other Hydraulic Systems Normal)...850
    Brakes Overly Aggressive...851
    Brakes Drag...851
    Brakes Chatter or Noisy...851
    Delay in Braking...851
    Fan Does Not Reach Full Speed (Both Directions)...851
    Fan Does Not Reach Full Speed (Forward Direction Only)...851
    Fan Does Not Reach Full Speed (Reverse Direction Only)...851
    Fan Does Not Spin (Both Directions)...851
    Fan Does Not Slow Down Before Reversing...851
    High Cooler Pressure or Pressure Spikes...851
    High Return Pressure at Fan Reversing Manifold Port T...851
    High Flow From Fan Motor Case Drain...851
    Fan Pump is Cavitating...851
    Hydraulic System Component Location...999
    Hydraulic System Schematic...1003
  Group 20: Adjustments...851
    Service Brake Pedal Adjustment...1009
    Service Brake Inspection and Adjustment...1010
    Service Brake Bleeding Procedure...1011
    Grapple Dampener Adjustment...1015
  Group 25: Test...851
    D15032NU Vacuum Pump Installation...1019
    JT02156A Digital Pressure and Temperature Analyzer Installation...1020
    JT07148 Digital Hydraulic Tester...1022
    Hydraulic Oil Warmup Procedure...1023
    Main Hydraulic Pump Identification...1024
    Main Hydraulic Pump Standby Pressure Test...1025
    Main Hydraulic Pump Flow Test...1028
    Main Hydraulic Pump Leakage Test...1031
    Pressure Reducing Valve Pressure Test...1033
    Pilot Controller Pressure Test...1035
    Priority Valve and Relief Valve Pressure Test...1038
    Priority Valve “LS” Port Flow Test...1041
    Priority Valve and Relief Valve Leakage Test...1043
    System and Circuit Relief Valve Pressure Test...1045
    Hydraulic Component Leakage Test...1050
    Cylinder Leakage Test...1054
    Cylinder Drift Test...1057
    Dual Mode Steering Engagement Pressure Test...1059
    Grapple Rotate Motor Crossover Relief Valve Pressure Test...1062
    Grapple Rotate Solenoid Valve Neutral Leakage Test...1064
    Grapple Tong Flow Divider Relief Valve Test...1066
    Rotary Manifold Center Seal Leakage Test...1068
    Rotary Manifold Drain and Lower Seal Leakage Test...1070
    Service Brake Valve and Accumulator Pressure Test...1072
    Service Brake Valve Leakage Test...1075
    Steering Valve Neutral Leakage Test...1078
    Hydraulic Functions Cycle Time Test...1080
    Hydraulic Oil Filter Inspection Procedure...1082
    Cooling Fan Circuit Test Procedure...1083
    Fan Motor Case Drain Test...1088
    Secondary Steering Operation Test...1090
Section 9030: Winch...1093
  Group 05: Theory of Operation...1093
    John Deere 4000 Winch...1095
  Group 15: Diagnostic Information...1093
    Winch Control Lever Effort Excessive...1093
    Winch Clutch Slips...1093
    Winch Free Spool Effort Excessive...1093
    Winch Brake Will Not Hold...1093
    Winch Will Not Free Spool...1093
    Transmission Oil Level Varies Excessively...1093
    Winch Makes Grinding Noise When Going from FREE SPOOL to BRAKE OFF...1093
    Winch Component Location...1111
    Winch Hydraulic Schematic...1112
  Group 20: Adjustments...1093
    Winch Control Cable Adjustment Check...1114
    Brake Off Adjustment...1115
  Group 25: Test...1093
    Winch System Pressure Test...1124
    Winch Leakage Test...1128
    Winch Drum Rolling Drag Test...1132
Section 9031: Heating and Air Conditioning...1134
  Group 05: Theory of Operation...1134
    Air Conditioning System Cycle of Operation...1137
  Group 15: Diagnostic Information...1134
    Air Conditioning System Visual Checks...1143
    Blower Does Not Operate In Any Speed...1134
    Blower Does Not Operate In Low Speed...1134
    Blower Does Not Operate In Medium Speed...1134
    Blower Does Not Operate In High Speed...1134
    Blower Does Not Operate In Purge Speed...1134
    Air Conditioner Does Not Operate...1134
    Air Conditioner Does Not Cool Cab Interior...1134
    Air Conditioner Runs Constantly...1134
    Interior Windows Continuously Foggy...1134
    Heater Does Not Operate...1134
    Heater Does Not Warm Cab Interior...1134
    Heating and Air Conditioning System Component Location...1178
  Group 25: Tests...1134
    R134a Air Conditioning System Test...1184
    Air Conditioner Freeze Control Switch Test...1188
    Air Conditioning Compressor Clutch Test...1190
    Air Conditioning High/Low Pressure Switch Test...1191
    Air Conditioning Expansion Valve Test...1193
    Refrigerant Leak Test...1196
    
John Deere 540H and 548H Skidder ( —630435) Technical Manual (TM11329)