Complete Operation and Test manual with Electrical Wiring Diagrams for John Deere 655K Crawler Loader, with all the shop information to maintain, diagnose, and ebuild like professional mechanics.

John Deere 655K Crawler Loader workshop Operation and 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.

TM12720 - John Deere 655K Crawler Loader Technical Manual - Operation and Test.PDF
TM12720 - John Deere 655K Crawler Loader Technical Manual - Operation and Test.epub

Total Pages: 1,593 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

MAIN SECTIONS
Foreword
   Technical Information Feedback Form
   General Information
      Safety
   Diagnostic Trouble Codes (DTCs)
      Engine Control Unit (ECU) Diagnostic Trouble Codes
      Standard Display Monitor (SDM) 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
      Diagnostic Information
      Adjustments
      Tests
   Electrical System
      System Information
      System Diagrams
      Sub-System Diagnostics
      Monitor Operation
      References
   Hydraulic System
      Theory of Operation
      Diagnostic Information
      Tests
   Hydrostatic System
      Theory of Operation
      Diagnostic Information
      Tests
   Heating and Air Conditioning
      Theory of Operation
      Diagnostic Information
      Tests

tm12720 - 655K Crawler Loader (PIN: 1T0655KX_ _E233169— )

Table of Contents

Foreword

Technical Information Feedback Form

Section 9000: General Information

Group 01: Safety

Recognize Safety Information

Follow Safety Instructions

Operate Only If Qualified

Wear Protective Equipment

Avoid Unauthorized Machine Modifications

Inspect Machine

Stay Clear of Moving Parts

Avoid High-Pressure Fluids

Avoid High-Pressure Oils

Work In Ventilated Area

Prevent Fires

Prevent Battery Explosions

Handle Chemical Products Safely

Decommissioning — Proper Recycling and Disposal of Fluids and Components

Exhaust Filter Ash Handling and Disposal

Prepare for Emergencies

Clean Debris from Machine

Add Cab Guarding for Special Uses

Use Steps and Handholds Correctly

Start Only From Operator's Seat

Use and Maintain Seat Belt

Prevent Unintended Machine Movement

Avoid Work Site Hazards

Keep Riders Off Machine

Avoid Backover Accidents

Avoid Machine Tip Over and Machine Damage

Operating or Traveling On Public Roads

Inspect and Maintain ROPS

Add and Operate Attachments Safely

Park and Prepare for Service Safely

Service Cooling System Safely

Remove Paint Before Welding or Heating

Make Welding Repairs Safely

Drive Metal Pins Safely

Clean Exhaust Filter Safely

Section 9001: Diagnostic Trouble Codes (DTCs)

Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes

Engine Control Unit (ECU) Diagnostic Trouble Codes

000091.09 - CAN Throttle Missing from VCU

000647.05 - Fan Drive Solenoid Open or Short to Power

000647.06 - Fan Drive Solenoid Short to Ground

001321.09 - Starter Signal Missing

001321.16 - Engine Starter Engaged Too Long

001321.31 - Starter Solenoid Open Circuit

002000.13 - Security Violation

002030.09 - No CAN Message Received From Source Address 30

002030.19 - Communication Error with Source Address 30

003353.31 - Alternator Excitation Condition Exists

005484.05 - Fan Reversing Solenoid Open or Short to Power

005484.06 - Fan Reversing Solenoid Short to Ground

Group 20: Standard Display Monitor (SDM) Diagnostic Trouble Codes

Standard Display Monitor (SDM) Diagnostic Trouble Codes

000096.03 - Fuel Level Sensor Open or Short

000096.04 - Fuel Level Sensor Short to Ground

002000.09 - Loss of CAN Communication with ECU

002030.09 - Loss of CAN Communication with VCU

002141.09 - Loss of CAN Communication with SSM

Group 30: Sealed Switch Module (SSM) Diagnostic Trouble Codes

Sealed Switch Module (SSM) Diagnostic Trouble Codes

000444.04 - Invalid Application Configuration

000629.12 - Watchdog Timeout

000639.12 - Lost CAN Message

000639.14 - CAN Bus Off

002033.09 - No CAN Messages

002634.04 - Ignition Relay Short to Ground

002634.05 - Ignition Relay Open

520752.04 - Keypad 7 Button Stuck

520752.09 - No Message For Keypad 7 Button

520753.04 - Washer Button Stuck

520753.09 - No Message For Washer Button

520754.04 - Keypad 9 Button Stuck

520754.09 - No Message For Keypad 9 Button

520755.04 - Transmission Up Button Stuck

520755.09 - No Message For Transmission Up Button

523335.04 - Transmission Down Button Stuck

523335.09 - No Message For Transmission Down Button

523336.04 - Rear Wiper Button Stuck

523336.09 - No Message For Rear Wiper Button

523338.04 - Front Wiper Button Stuck

523338.09 - No Message For Front Wiper Button

523339.04 - Wiper Speed Button Stuck

523339.09 - No Message For Wiper Speed Button

523340.04 - Standard Lights Button Stuck

523340.09 - No Message For Standard Lights Button

523849.04 - Work Lights Button Stuck

523849.09 - No Message For Work Lights Button

523850.04 - Boom Height Kickout Button Stuck

523850.09 - No Message For Height Kickout Button

523852.04 - Keypad 6 Button Stuck

523852.09 - No Message For Keypad 6 Button

523854.04 - Keypad 5 Button Stuck

523854.09 - No Message For Keypad 5 Button

523855.04 - Keypad 4 Button Stuck

523855.09 - No Message For Keypad 4 Button

523856.04 - Auxiliary Power Button Stuck

523856.09 - No Message For Auxiliary Power Button

523857.04 - Return-to-Dig Button Stuck

523857.09 - No Message For Return-to-Dig Button

523858.04 - Keypad 3 Button Stuck

523858.09 - No Message For Keypad 3 Button

523860.04 - Keypad 2 Button Stuck

523860.09 - No Message For Keypad 2 Button

523861.04 - Keypad 1 Button Stuck

523861.09 - No Message For Keypad 1 Button

523862.04 - Reversing Fan Button Stuck

523862.09 - No Message For Reversing Fan Button

523863.04 - Hydraulic Enable Button Stuck

523863.09 - No Message For Hydraulic Enable Button

523864.04 - Undefined Button 4 Stuck

523864.09 - No Message For Undefined Button 4

523865.04 - Undefined Button 3 Stuck

523865.09 - No Message For Undefined Button 3

523867.04 - Stop Button Stuck

523867.09 - No Message For Stop Button

523868.04 - Start Button Stuck

523868.09 - No Message For Start Button

Group 40: Vehicle Control Unit (VCU) Diagnostic Trouble Codes

Vehicle Control Unit (VCU) Diagnostic Trouble Codes

000070.00 - Park Lock Lever Inputs Both On

000070.01 - Park Lock Lever Inputs Both Off

000091.03 - Throttle Sensor Short to Power

000091.04 - Throttle Sensor Open or Short

000116.00 - Brake Pressure High

000116.01 - Brake Pressure Low

000116.03 - Brake Pressure Short to Power

000116.04 - Brake Pressure Open or Short

000158.03 - Switched System Volts Too High

000158.04 - Switched System Volts Too Low

000168.04 - Unswitched System Volts Too Low

000177.00 - Transmission Oil Temperature Overtemperature

000177.03 - Transmission Oil Temperature Short to Power

000177.04 - Transmission Oil Temperature Short to Ground

000177.16 - Tranmission Oil Temperature Moderately Overtemperature

000190.09 - CAN Communication No Engine Speed

000190.19 - CAN Communication Invalid Engine Speed

000521.00 - Decelerator Sensor Input Greater than Maximum Calibration

000521.01 - Decelerator Sensor Input Less than Minimum Calibration

000521.03 - Decelerator Sensor Short to Power

000521.04 - Decelerator Sensor Open or Short

000521.05 - Decelerator Sensor Brake Calibration Too Low

000521.06 - Decelerator Sensor Brake Calibration Too High

000521.13 - Decelerator Sensor Brake Calibration Too High

000521.15 - Decelerator Sensor Minimum Calibration Too High

000521.16 - Decelerator Sensor Maximum Calibration Too High

000521.17 - Decelerator Sensor Minimum Calibration Too Low

000521.18 - Decelerator Sensor Maximum Calibration Too Low

000581.00 - Speed Buttons Input Greater than Maximum Calibration

000581.01 - Speed Buttons Input Less than Minimum Calibration

000581.03 - Speed Buttons Short to Power

000581.04 - Speed Buttons Open or Short

000581.07 - Speed Buttons Stuck Button

000581.13 - Speed Buttons Not Calibrated

000581.15 - Speed Buttons Minimum Calibration Too High

000581.16 - Speed Buttons Maximum Calibration Too High

000581.17 - Speed Buttons Minimum Calibration Too Low

000581.18 - Speed Buttons Maximum Calibration Too Low

000619.05 - Brake Solenoid Open or Short to Power

000619.06 - Brake Solenoid Short to Ground

000629.12 - VCU Watchdog Timer Exceeded

000743.05 - Overspeed Solenoid Open or Short to Power

000743.06 - Overspeed Solenoid Short to Ground

000907.04 - Left Speed Sensor Short to Ground

000907.07 - Left Speed Sensor No Response

000907.12 - Left Speed Sensor Open

000908.04 - Right Speed Sensor Short to Ground

000908.07 - Right Speed Sensor No Response

000908.12 - Right Speed Sensor Open

000924.05 - Auxiliary Power Open or Short to Power

000924.06 - Auxiliary Power Short to Ground

001569.31 - Engine Derate Condition

001638.00 - Hydraulic Oil Temperature Overtemperature

001638.03 - Hydraulic Oil Temperature Short to Power

001638.04 - Hydraulic Oil Temperature Short to Ground

001638.16 - Hydraulic Temperature Moderately High

001713.31 - Hydraulic Oil Filter Restriction Input is High

001762.03 - Hydraulic Pressure Short to Power

001762.04 - Hydraulic Pressure Open or Short

002000.09 - Loss of CAN Communication with ECU

002023.09 - Loss of CAN Communication with SDM

002141.09 - Loss of CAN Communication with SSM

002251.09 - Communication System Message Missing

002355.05 - Front Work Light Open or Short to Power

002355.06 - Front Work Light Short to Ground

002356.05 - Front Drive Light Open or Short to Power

002356.06 - Front Drive Light Short to Ground

002359.05 - Rear Drive Light Open or Short to Power

002359.06 - Rear Drive Light Short to Ground

002660.00 - Steer Sensor Input Greater than Maximum Calibration

002660.01 - Steer Sensor Input Less than Minimum Calibration

002660.03 - Steer Sensor Short to Power

002660.04 - Steer Sensor Open or Short

002660.13 - Steer Sensor Not Calibrated

002660.14 - Steer Sensor Mismatch

002660.15 - Steer Sensor Minimum Calibration Too High

002660.16 - Steer Sensor Maximum Calibration Too High

002660.17 - Steer Sensor Minimum Calibration Too Low

002660.18 - Steer Sensor Maximum Calibration Too Low

002661.00 - FNR Sensor Input Greater than Maximum Calibration

002661.01 - FNR Sensor Input Less than Minimum Calibration

002661.03 - FNR Sensor Short to Power

002661.04 - FNR Sensor Open or Short

002661.13 - FNR Sensor Not Calibrated

002661.14 - FNR Sensor Mismatch

002661.15 - FNR Sensor Minimum Calibration Too High

002661.16 - FNR Sensor Maximum Calibration Too High

002661.17 - FNR Sensor Minimum Calibration Too Low

002661.18 - FNR Sensor Maximum Calibration Too Low

003359.31 - Transmission Oil Filter Restricted

003509.03 - 5V Supply #1 Short to Power

003509.04 - 5V Supply #1 Short to Ground

003511.03 - 5V Supply #3 Short to Power

003511.04 - 5V Supply #3 Short to Ground

003512.03 - 5V Supply #4 Short to Power

003512.04 - 5V Supply #4 Short to Ground

004087.05 - Hydraulic Enable Solenoid Open or Short to Power

004087.06 - Hydraulic Enable Solenoid Short to Ground

520570.05 - Transmission Cold Start Solenoid Open or Short to Ground

520570.06 - Transmission Cold Start Solenoid Short to Power

520571.05 - Fan Unload Solenoid Open or Short

520571.06 - Fan Unload Solenoid Short to Power

520709.00 - Hydraulic Fan Filter is Restricted

521549.03 - Steer Sensor Short to Power

521549.04 - Steer Sensor Open or Short

521549.07 - Steer Sensor Neutral Calibration Out of Range

521551.03 - FNR Sensor Short to Power

521551.04 - FNR Sensor Open or Short

521551.07 - FNR Sensor Neutral Calibration Out of Range

521994.04 - Multipurpose Bucket Open Short to Ground

521995.04 - Multipurpose Bucket Close Short to Ground

521999.00 - Park Lock Lever Inputs Both On

521999.01 - Park Lock Lever Inputs Both Off

522101.00 - Left Steer Pedal Input Greater than Maximum Calibration

522101.01 - Left Steer Pedal Input Less than Minimum Calibration

522101.03 - Left Steer Pedal Short to Power

522101.04 - Left Steer Pedal Open or Short

522101.13 - Steer Pedal Sensors Not Calibrated

522101.15 - Left Steer Pedal Minimum Calibration Too High

522101.16 - Left Steer Pedal Maximum Calibration Too High

522101.17 - Left Steer Pedal Minimum Calibration Too Low

522101.18 - Left Steer Pedal Maximum Calibration Too Low

522204.00 - Right Steer Pedal Input Greater than Maximum Calibration

522204.01 - Right Steer Pedal Input Less than Minimum Calibration

522204.03 - Right Steer Pedal Short to Power

522204.04 - Right Steer Pedal Open or Short

522204.15 - Right Steer Pedal Minimum Calibration Too High

522204.16 - Right Steer Pedal Maximum Calibration Too High

522204.17 - Right Steer Pedal Minimum Calibration Too Low

522204.18 - Right Steer Pedal Maximum Calibration Too Low

522312.05 - Washer Motor Open or Short to Power

522312.06 - Washer Motor Short to Ground

522367.07 - Drive/Steer Configuration Invalid

522433.05 - Rear Wiper Open or Short to Power

522433.06 - Rear Wiper Short to Ground

522434.05 - Front Wiper Open or Short to Power

522434.06 - Front Wiper Short to Ground

522437.03 - Return-to-Dig (RTD) Sensor Short to Power

522437.04 - Return-to-Dig (RTD) Sensor Open or Short

522439.05 - Tank Bypass Solenoid Open or Short to Ground

522439.06 - Tank Bypass Solenoid Short to Power

522444.00 - Charge Pressure High

522444.01 - Charge Pressure Low

522444.03 - Charge Pressure Short to Power

522444.04 - Charge Pressure Open or Short

522447.05 - Right Forward Pump Coil Open or Short

522447.06 - Right Forward Pump Coil Short to Power

522447.15 - Right Forward Pump Threshold Calibration High

522447.16 - Right Forward Pump Maximum Speed Calibration High

522447.17 - Right Forward Pump Threshold Calibration Low

522447.18 - Right Forward Pump Maximum Speed Calibration Low

522448.05 - Right Reverse Pump Coil Open or Short to Ground

522448.06 - Right Reverse Pump Coil Short to Power

522448.15 - Right Reverse Pump Threshold Calibration High

522448.16 - Right Reverse Pump Maximum Speed Calibration High

522448.17 - Right Reverse Pump Threshold Calibration Low

522448.18 - Right Reverse Pump Maximum Speed Calibration Low

522449.05 - Left Reverse Pump Coil Open or Short

522449.06 - Left Reverse Pump Coil Short to Power

522449.15 - Left Reverse Pump Threshold Calibration High

522449.16 - Left Reverse Pump Maximum Speed Calibration High

522449.17 - Left Reverse Pump Threshold Calibration Low

522449.18 - Left Reverse Pump Maximum Speed Calibration Low

522450.05 - Left Forward Pump Coil Open or Short

522450.06 - Left Forward Pump Coil Short to Power

522450.15 - Left Forward Pump Threshold Calibration High

522450.16 - Left Forward Pump Maximum Speed Calibration High

522450.17 - Left Forward Pump Threshold Calibration Low

522450.18 - Left Forward Pump Maximum Speed Calibration Low

522451.05 - Cooler Bypass Solenoid Open or Short to Ground

522451.06 - Cooler Bypass Solenoid Short to Power

523108.13 - Pump/Motor Not Calibrated

523108.14 - VCU Not Calibrated

523276.03 - V-Pattern Configuration Open or Short to Power

523276.04 - V-Pattern Config Short to Ground

523277.03 - SLC Configuration Pin Open or Short to Power

523277.04 - SLC Configuration Pin Short to Ground

523279.05 - MP Bucket "Open" Open or Short

523279.06 - MP Bucket "Open" Short to Power

523280.05 - MP Bucket "Closed" Open or Short

523280.06 - MP Bucket "Closed" Short to Power

523577.05 - Left Motor Solenoid Open or Short

523577.06 - Left Motor Solenoid Short to Power

523577.13 - Motor High Speed Not Calibrated

523577.16 - Left Motor Maximum Calibration Too High

523577.18 - Left Motor Maximum Calibration Too Low

523578.05 - Right Motor Solenoid Open or Short to Ground

523578.06 - Right Motor Solenoid Short to Power

523578.16 - Right Motor Maximum Calibration Too High

523578.18 - Right Motor Maximum Calibration Too Low

523786.03 - Boom Height Kickout (BHKO) Sensor Short to Power

523786.04 - Boom Height Kickout (BHKO) Sensor Open or Short

524089.00 - Left System Pressure High

524089.01 - Left System Pressure Low

524089.03 - Left System Pressure Short to Power

524089.04 - Left System Pressure Open or Short

524090.00 - Right System Pressure High

524090.01 - Right System Pressure Low

524090.03 - Right System Pressure Short to Power

524090.04 - Right System Pressure Open or Short

524233.07 - Hydrostatic Drive System Not Responding

Section 9005: Operational Checkout Procedure

Group 10: Operational Checkout Procedure

Operational Checkout

Section 9010: Engine

Group 05: Theory of Operation

John Deere Engine

Cold Start Aid System Theory of Operation—If Equipped

Group 15: Diagnostic Information

John Deere Engine

Engine Cooling System Component Location

Engine Intake and Exhaust Component Location

Engine Fuel System Component Location

Group 20: Adjustments

John Deere Engine

Service Filter Cleaning

Group 25: Tests

John Deere Engine

Low Pressure Fuel Pump Pressure Test

Fluid Sampling Procedure—If Equipped

Engine Idle Speeds and Auto Shutdown Check

Exhaust Emissions Test Point

Section 9015: Electrical System

Group 05: System Information

Electrical Diagram Information

Electrical Schematic Symbols

Group 10: System Diagrams

Fuse and Relay Specifications

System Functional Schematic, Component Location and Wiring Diagram Master Legend

System Functional Schematic (S.N. —267649)

System Functional Schematic (S.N. 267650— )

JDLink™ Functional Schematic

Power and Ground Component Location

Operator's Station Harness (W7) Component Location

Operator's Station Harness (W7) Wiring Diagram

Cab Roof Harness (W8) Component Location

Cab Roof Harness (W8) Wiring Diagram

Front Dash Harness (W9) Component Location

Front Dash Harness (W9) Wiring Diagram

Sealed Switch Module (SSM) Harness (W10) Component Location

Sealed Switch Module (SSM) Harness (W10) Wiring Diagram

Vehicle Harness (W11) Component Location

Vehicle Harness (W11) Wiring Diagram

Engine Interface Harness (W12) Component Location

Engine Interface Harness (W12) Wiring Diagram

Canopy Roof Harness (W14) Component Location

Canopy Roof Harness (W14) Wiring Diagram

Fan Compartment Harness (W15) Component Location

Fan Compartment Harness (W15) Wiring Diagram

Return-to-Dig (RTD) Harness (W16) Component Location

Return-to-Dig (RTD) Harness (W16) Wiring Diagram

Boom Height Kickout (BHKO) Harness (W17) Component Location

Boom Height Kickout (BHKO) Harness (W17) Wiring Diagram

Cooling Package Harness (W18) Component Location

Cooling Package Harness (W18) Wiring Diagram

Fan Filter Harness (W19) Component Location

Fan Filter Harness (W19) Wiring Diagram

Heater and Air Conditioner Harness (W20) Component Location

Heater and Air Conditioner Harness (W20) Wiring Diagram

Condenser Harness (W21) Component Location

Condenser Harness (W21) Wiring Diagram

Radio Harness (W22) Component Location

Radio Harness (W22) Wiring Diagram

Under Seat Heater Harness (W23) Component Location

Under Seat Heater Harness (W23) Wiring Diagram

Dome Light Harness (W24) Component Location

Dome Light Harness (W24) Wiring Diagram

Engine Harness (W27) Component Location

Engine Harness (W27) Wiring Diagram

Front Engine Harness (W29) Component Location

Front Engine Harness (W29) Wiring Diagram

Fuel Injector Harness (W32) Component Location

Fuel Injector Harness (W32) Wiring Diagram

Glow Plug Harnesses (W35 and W36) Component Location

Glow Plug Harnesses (W35 and W36) Wiring Diagrams

Low-Pressure Fuel Pump Harness (W37) Component Location

Low-Pressure Fuel Pump Harness (W37) Wiring Diagram

Backup Alarm Harness (W38) Component Location

Backup Alarm Harness (W38) Wiring Diagram

JDLink™ System Harnesses (W6002 and W6003) Component Location

Modular Telematics Gateway (MTG) Harness (W6002) Wiring Diagram

Satellite (SAT) Harness (W6003) Wiring Diagram

Group 15: Sub-System Diagnostics

24-Volt Power and Ground Circuits Theory of Operation

12-Volt Power Circuits Theory of Operation

Start and Charge Circuits Theory of Operation

Cold Start Circuit Theory of Operation

Controller Area Network (CAN) Circuit Theory of Operation

Standard Display Monitor (SDM) and Sealed Switch Module (SSM) Circuits Theory of Operation

Engine Control Unit (ECU) Circuit Theory of Operation

Exhaust Aftertreatment Circuit Theory of Operation

Vehicle Control Unit (VCU) Circuit Theory of Operation

Brake Circuit Theory of Operation

Hydrostatic Circuits Theory of Operation

Hydraulic Circuits Theory of Operation

Wiper and Washer Circuits Theory of Operation

Lights Circuit Theory of Operation

Horn and Backup Alarm Circuits Theory of Operation

Air Conditioner and Heater Circuits Theory of Operation

Seat Heater and Air Seat Motor Circuits Theory of Operation

JDLink™ Circuit Theory of Operation

Group 16: Monitor Operation

Standard Display Monitor (SDM)—Service Mode

Standard Display Monitor (SDM)—Codes

Standard Display Monitor (SDM)—Exhaust Filter

Standard Display Monitor (SDM)—Service

Standard Display Monitor (SDM)—Machine Settings

Standard Display Monitor (SDM)—Diagnostics

Standard Display Monitor (SDM)—Monitor

Standard Display Monitor (SDM)—Calibrate

Standard Display Monitor (SDM)—Vehicle Control Unit (VCU) Diagnostics

Standard Display Monitor (SDM)—Software Delivery

Group 20: References

Electrical Component Specifications

Service ADVISOR™ Diagnostic Application

Service ADVISOR™ Connection Procedure

Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application

Diagnostic Trouble Codes—After Machine Repair

Alternator Test Procedure

Vehicle Control Unit (VCU) Calibration

Controller Area Network (CAN) Circuit Test

Controller Area Network (CAN) Resistor Test

Wire Harness Test

Intermittent Diagnostic Trouble Code (DTC) Diagnostics

Decelerator/Brake Pedal Adjustment

Engine Speed Control Remove and Install

Exhaust Filter Sensor Installation

Rotary Sensor Remove and Install

Controller Remove and Install

Connector Terminal Test

Replace Metri-Pack® (Push Type) Connectors

Replace Metri-Pack® Connectors

Replace DEUTSCH® Circular Connectors

Replace DEUTSCH® Rectangular or Triangular Connectors

Install DEUTSCH® Contact

Replace WEATHER PACK® Connector

Install WEATHER PACK® Contact

Replace CINCH™ Connectors

Install CINCH™ Contact

Repair 32 and 48 Way CINCH™ Connectors

Remove Connector Body from Blade Terminals

Section 9025: Hydraulic System

Group 05: Theory of Operation

Hydraulic System Operation

Hydraulic Pump Operation

Pressure Reducing Valve Operation

Pilot Control Valve Operation

Hydraulic Control Valve Operation

Load Sense Circuit Operation

Load Sense Isolator Operation

Load Sense Relief Valve Operation

Engine Overspeed Protection Valve Operation

Hydraulic System Relief Valve Operation

Circuit Relief Valve With Anticavitation Operation

Hydraulic Cylinder Operation

Hydraulic Oil Filter Manifold Operation

Ripper Operation

Hydraulic Reversing Fan Drive Operation

Hydraulic Non-Reversing Fan Drive Operation

Hydraulic Fan Return Filter Operation

Group 15: Diagnostic Information

Hydraulic System Schematic

Hydraulic System Line Identification

Main Hydraulic Component Location

Ripper Hydraulic Component Location

No Hydraulic Functions

Hydraulic Functions Slow

Hydraulic Pump Noisy

Boom Float Does Not Work

One Hydraulic Function Does Not Work

Function Drift

Oil Overheats

Hydraulic Fan Does Not Reach Full Speed

Hydraulic Fan Runs at Full Speed Only

Hydraulic Fan Does Not Spin

Hydraulic Fan Will Not Reverse Direction

Group 25: Tests

JT02156A Digital Pressure and Temperature Analyzer Kit Installation

Ultra Clean® Hand Launcher

Hydraulic Oil Cleanup Procedure

Hydraulic Oil Warmup Procedure

Hydraulic System Pressure and Accumulator Discharge

Hydraulic Accumulator Precharge Test

Pump Load Sense Differential and System Pressure (Load Sense Relief) Test and Adjustment

Pump Cut-Off Pressure Test and Adjustment

Hydraulic System Relief Valve Test

Circuit Relief Valve Test and Adjustment

Hydraulic Cylinder Drift Test

Hydraulic Cylinder Leakage Test

Pressure Reducing Valve Pressure Test and Adjustment

Hydraulic Pump Flow Test

Hydraulic Pump Case Drain Test

Fan Pump Flow Test

Fan Motor Speed Test

Fan Motor Case Drain Test

Section 9026: Hydrostatic System

Group 05: Theory of Operation

Hydrostatic System Operation

Transmission Control Circuit Operation (Flow Chart)

Charge Pump Operation

Hydrostatic Charge Oil Filter Operation

Neutral Charge Relief Valve Operation

Multi-Function Valve Operation

Hydraulic Integrated Circuit (HIC) Valve Operation

Park Brake Valve Operation

Oil Cooler and Reservoir Bypass Operation

Pump Pressure Control Pilot (PCP) Operation

Pump Displacement Control Valve (PDCV) Operation

Hydrostatic Pump Operation

Flushing Valve and Operating Charge Relief Valve Operation

Hydrostatic Motor Operation

Hydrostatic Cold Start Valve Operation

Group 15: Diagnostic Information

Hydrostatic System Schematic—Neutral (Park Brake On)

Hydrostatic System Component Location

Hydrostatic System Line Identification

Park Brake System Component Location

Hydrostatic System Diagram—Neutral (Park Brake On)

Hydrostatic System Diagram—Reverse (Slow Speed)

Hydrostatic System Diagram—Forward (Fast Speed)

Overheating Malfunctions

Low Charge Pressure Malfunctions

Mistrack/Index Malfunctions

Machine Full Speed Malfunctions

Low Power Malfunctions

Track Malfunctions

VCU Calibration Malfunctions

Group 25: Tests

Ultra Clean® Hand Launcher

Transmission Oil Warmup Procedure

Releasing Park Brake to Tow the Machine

Hydrostatic Pump Flushing Procedure

Hydraulic Oil Cleanup Procedure

Pressure Control Pilot (PCP) Manual Override Test

Pressure Control Pilot (PCP) Test

Pressure Control Pilot (PCP) Internal Adjustment

Multi-Function Relief Valve Test

Transmission Efficiency Test

Neutral Charge Relief and Operating Charge Relief Pressure Test

Pump Displacement Control Valve (PDCV) Neutral (Null) Adjustment

Pump Servo Pressure Test

Motor Displacement Control Valve (MDCV) Adjustment

Hydrostatic Motor Min./Max. Angle Servo Piston Pressure Test

Charge Pump Flow Test

Charge Pressure Sensor Test

Hydrostatic Cold Start Valve Test

Hydrostatic Oil Cooler Bypass Test

Hydrostatic Oil Reservoir Bypass Test

Park Brake Test

Park Brake Relief Valve Test

Cab Tilt Relief Valve Test

Hand Pump Bleed Procedure

Section 9031: Heating and Air Conditioning

Group 05: Theory of Operation

Air Conditioning System Cycle Theory Of Operation

Group 15: Diagnostic Information

Heater and Air Conditioner System Component Location

Air Conditioner System Does Not Operate

Air Conditioner Does Not Cool Interior of Cab

Air Conditioner Runs Constantly, Too Cool

Heater System Does Not Operate

Heater Does Not Warm Interior of Cab

Interior Windows Continue to Fog

Group 25: Tests

Refrigerant Cautions and Proper Handling

R134a Refrigerant Cautions

Air Conditioner and Heater Operational Checks

R134a Oil Charge Capacity

R134a Refrigerant Charge Capacity

Refrigerant Hoses And Tubing Inspection

Refrigerant Leak Test

Air Conditioner Compressor Clutch Test

Air Conditioner High/Low Pressure Switch Test

Air Conditioner Freeze Control Switch Test

R134a Air Conditioning System Test

Operating Pressure Diagnostic Chart

John Deere 655K Crawler Loader Operation and Test Service Manual (TM12720)