Complete Diagnosis & Test manual with Electrical Wiring Diagrams for John Deere 225DLC Excavator, with all the service information to maintain, diagnose, repair, and rebuild like professional mechanics.

John Deere 225DLC Excavator workshop operation & tests 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.

TM10082 - John Deere 225DLC Excavator Technical Manual (Operation & Test).pdf
TM10082 - John Deere 225DLC Excavator Technical Manual (Operation & Test).epub

Total Pages: 1,214 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
   Foreword
   Technical Information Feedback Form
   General Information
      Safety
   Diagnostics
      Main Controller (MCF) Diagnostic Trouble Codes
      Engine Control Module (ECM) Diagnostic Trouble Codes
      Information Controller (ICF) Diagnostic Trouble Codes
      Air Conditioner Controller (ACF) Diagnostic Trouble Codes
      Monitor Controller (MON) Diagnostic Trouble Codes
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine
      Theory of Operation
      Diagnostic Information
      Tests
   Electrical System
      System Information
      System Diagrams
      Sub-System Diagnostics
      Monitor Operation
      References
   Power Train
      Theory of Operation
      Diagnostic Information
   Hydraulic System
      Theory of Operation

tm10082 - 225DLC Excavator

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

Add Cab Guarding for Special Uses

Inspect Machine

Stay Clear of Moving Parts

Avoid High-Pressure Fluids

Avoid High-Pressure Oils

Beware of Exhaust Fumes

Prevent Fires

Prevent Battery Explosions

Handle Chemical Products Safely

Dispose of Waste Properly

Prepare for Emergencies

Use Steps and Handholds Correctly

Start Only From Operator's Seat

Use and Maintain Seat Belt

Prevent Unintended Machine Movement

Avoid Worksite Hazards

Keep Riders Off Machine

Avoid Backover Accidents

Avoid Machine Tip Over

Use Special Care When Lifting Objects

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

Section 9001: Diagnostics

Group 10: Main Controller (MCF) Diagnostic Trouble Codes

Main Controller (MCF) Diagnostic Trouble Codes

11000.02 - Abnormal EEPROM

11001.02 - Abnormal RAM

11002.02 - Abnormal A/D Conversion

11003.03 - Abnormal Sensor Voltage

11004.02 - Abnormal CAN Communication

11100.02 - Abnormal Engine Speed

11101.03 - Engine Control Dial Voltage High

11101.04 - Engine Control Dial Voltage Low

11200.03 - Pump 1 Delivery Pressure Sensor Voltage High

11200.04 - Pump 1 Delivery Pressure Sensor Voltage Low

11202.03 - Pump 2 Delivery Pressure Sensor Voltage High

11202.04 - Pump 2 Delivery Pressure Sensor Voltage Low

11206.03 - Pump 1 Control Pressure Sensor Voltage High

11206.04 - Pump 1 Control Pressure Sensor Voltage Low

11208.03 - Pump 2 Control Pressure Sensor Voltage High

11208.04 - Pump 2 Control Pressure Sensor Voltage Low

11301.03 - Swing Pilot Pressure Sensor Voltage High

11301.04 - Swing Pilot Pressure Sensor Voltage Low

11302.03 - Boom Up Pilot Pressure Sensor Voltage High

11302.04 - Boom Up Pilot Pressure Sensor Voltage Low

11303.03 - Arm In Pilot Pressure Sensor Voltage High

11303.04 - Arm In Pilot Pressure Sensor Voltage Low

11304.03 - Travel Pilot Pressure Sensor Voltage High

11304.04 - Travel Pilot Pressure Sensor Voltage Low

11307.03 - Front Attachment Pilot Pressure Sensor Voltage High

11307.04 - Front Attachment Pilot Pressure Sensor Voltage Low

11400.02 - Pump 2 Flow Rate Limit Solenoid Current Feedback Abnormal

11400.03 - Pump 2 Flow Rate Limit Solenoid Feedback Current High

11400.04 - Pump 2 Flow Rate Limit Solenoid Feedback Current Low

11401.02 - Torque Control Solenoid Feedback Current Abnormal

11401.03 - Torque Control Solenoid Feedback Current High

11401.04 - Torque Control Solenoid Feedback Current Low

11402.02 - Dig Regenerative Solenoid Feedback Current Abnormal

11402.03 - Dig Regenerative Solenoid Feedback Current High

11402.04 - Dig Regenerative Solenoid Feedback Current Low

11403.02 - Arm Regenerative Solenoid Feedback Current Abnormal

11403.03 - Arm Regenerative Solenoid Feedback Current High

11403.04 - Arm Regenerative Solenoid Feedback Current Low

11404.02 - Power Dig Solenoid Feedback Current Abnormal

11404.03 - Power Dig Solenoid Feedback Current High

11404.04 - Power Dig Solenoid Feedback Current Low

11405.02 - Travel Speed Solenoid Feedback Current Abnormal

11405.03 - Travel Speed Solenoid Feedback Current High

11405.04 - Travel Speed Solenoid Feedback Current Low

11901.03 - Hydraulic Oil Temperature Sensor Voltage High

11901.04 - Hydraulic Oil Temperature Sensor Voltage Low

11910.02 - Actual Engine Speed Message Error

11911.02 - Security Signal Received from ECM

11914.02 - Radiator Coolant Temperature Message Error

11918.02 - Work Mode Received Message Error

11920.02 - Fuel Flow Rate Message Error

20100.02 - Engine Coolant Overheat Message

Group 20: Engine Control Module (ECM) Diagnostic Trouble Codes

Engine Control Module (ECM) Diagnostic Trouble Codes

100.03 - Engine Oil Pressure Sensor Voltage Low (P0522)

100.04 - Engine Oil Pressure Sensor Voltage High (P0523)

102.03 - Boost Pressure Sensor Voltage Low (P0237)

102.04 - Boost Pressure Sensor Voltage High (P0238)

105.03 - Boost Temperature Sensor Voltage High (P1113)

105.04 - Boost Temperature Sensor Voltage Low (P1112)

108.03 - Barometric Pressure Sensor Voltage Low (P0107)

108.04 - Barometric Pressure Sensor Voltage High (P0108)

110.00 - Engine Coolant Temperature Above Normal—Most Severe (P1173)

110.03 - Engine Coolant Temperature Sensor Voltage High (P0118)

110.04 - Engine Coolant Temperature Sensor Voltage Low (P0117)

157.00 - Common Rail Pressure—First Stage (P088)

157.00 - Common Rail Pressure—Second Stage (P088)

157.02 - Common Rail Pressure High (P0089)

157.03 - Common Rail Pressure Sensor Voltage High (P0193)

157.04 - Common Rail Pressure Sensor Voltage Low (P0192)

172.03 - Intake Air Temperature Sensor Voltage High (P0113)

172.04 - Intake Air Temperature Sensor Voltage Low (P0112)

174.03 - Fuel Temperature Sensor Voltage High (P0183)

174.04 - Fuel Temperature Sensor Voltage Low (P0182)

190.00 - Engine Overspeed (P0219)

628.02 - ROM Malfunction (P0601)

633.07 - Pressure Limiter Open (P1095)

636.02 - Camshaft Position Sensor (G-Sensor) Signal Missing (P0340)

636.02 - Camshaft Position Sensor (G-Sensor) Signal Mismatch (P0341)

636.07 - Camshaft Position Sensor (G-Sensor) out of Phase (P1345)

639.02 - CAN Communication Error (U2104)

639.03 - CAN Timeout (U2106)

651.03 - Open Circuit in Injection Nozzle #1 (P0201)

652.03 - Open Circuit in Injection Nozzle #2 (P0202)

653.03 - Open Circuit in Injection Nozzle #3 (P0203)

654.03 - Open Circuit in Injection Nozzle #4 (P0204)

723.02 - Crankshaft Position Sensor Signal Missing (P0335)

723.02 - Crankshaft Sensor Mismatch (P0336)

987.03 - Check Engine Lamp Malfunction (P0650)

1077.02 - CPU Monitoring IC Malfunction (P0606)

1079.02 - 5 Volt Power Supply #1 Malfunction (P1631)

1080.02 - 5 Volt Power Supply #2 Malfunction (P1632)

1239.01 - No Pump Pressure—First Stage (P0087)

1240.01 - No Pump Pressure Feed—Second Stage (P1093)

1347.00 - SCV #1 Open Circuit or Short to Ground (P0090)

1381.03 - High Voltage Fault of Fuel Filter Restriction Sensor

1381.04 - Low Voltage Fault of Fuel Filter Restriction Sensor

1485.02 - Engine Control Module Relay Malfunction (P1625)

10001.03 - EGR Position Sensor Malfunction (P0487)

10002.02 - EGR Valve Control Malfunction (P0488)

10003.02 - Injection Nozzle Common #1 Malfunction (P1261)

10004.02 - Injection Nozzle Common #2 Malfunction (P1262)

10005.01 - Charge Circuit Malfunction—Bank 1 (P0611)

10006.01 - Charge Circuit Malfunction—Bank 2 (P0612)

10007.02 - Abnormal CPU (P0606)

10008.02 - A/D Conversion Malfunction (P1630)

10009.02 - 5 Volt Power Supply #3 Malfunction (P1633)

10010.02 - 5 Volt Power Supply #4 Malfunction (P1634)

10011.02 - 5 Volt Power Supply #5 Malfunction (P1635)

10013.02 - EEPROM Malfunction (P0603)

Group 30: Information Controller (ICF) Diagnostic Trouble Codes

Information Controller (ICF) Diagnostic Trouble Codes

14000.02 - Abnormal CAN Communication

14001.02 - ICF: Flash Memory: Read / Write Error

14002.02 - ICF: External RAM: Read / Write Error

14003.02 - ICF: EEPROM: Sum Check Error

14006.02 - ICF: Satellite Communication Terminal: Communication Error

14008.02 - ICF: Abnormal Internal RAM

14100.02 - Satellite Communication Terminal: Abnormal EEPROM

14101.02 - Satellite Communication Terminal: Abnormal IB / OB Queue

14102.02 - Satellite Communication Terminal: Abnormal Local Loop Back

14103.02 - Satellite Communication Terminal: The Satellite is not found

14104.02 - Satellite Communication Terminal: Fail 1 of Remote Loop Back

14105.02 - Satellite Communication Terminal: Tail 2 of Remote Loop Back

14106.02 - Satellite Communication Terminal: Sending and Receiving Data are Mismatched

Group 40: Air Conditioner Controller (ACF) Diagnostic Trouble Codes

Air Conditioner Controller (ACF) Diagnostic Trouble Codes

21 - Mix Door Open Circuit

-21 - Mix Door Short Circuit

22 - Mode Encoder Open Circuit

23 - In-Cab Ambient Temperature Sensor Open Circuit

-23 - In-Cab Ambient Temperature Sensor Short Circuit

24 - Outdoor Ambient Temperature Sensor Open Circuit

-24 - Outdoor Ambient Temperature Sensor Short Circuit

25 - Coolant Temperature Sensor Open Circuit

-25 - Coolant Temperature Sensor Short Circuit

26 - Solar Radiation Sensor Open Circuit

-26 - Solar Radiation Sensor Short Circuit

Group 50: Monitor Controller (MON) Diagnostic Trouble Codes

Monitor Controller (MON) Diagnostic Trouble Codes

13303.02 - Abnormal Thermister Temperature

13304.02 - Abnormal REG Input H Level

13306.02 - Abnormal EEPROM

13308.02 - Abnormal CAN Communication

13310.02 - Shorted Circuit in Coolant Temperature Sensor

13311.03 - Fuel Level Sensor Short Circuit

13311.04 - Fuel Level Sensor Open Circuit

13334.2 - Radiator Coolant Error

20105.2 - Hydraulic Oil Filter Restriction Alarm

Section 9005: Operational Checkout Procedure

Group 10: Operational Checkout Procedure

Operational Checkout

Section 9010: Engine

Group 05: Theory of Operation

Engine Component Location

Engine Fuel System Operation

Cooling System Operation

Engine Lubrication System Operation

Engine Intake and Exhaust System Operation

Engine Turbocharger Operation

Exhaust Gas Recirculation (EGR) Operation

Quick On System Operation

Engine Speed Control System Operation

Group 15: Diagnostic Information

4HK1 Isuzu Diesel Engine

Diagnose Engine Malfunctions

Engine Cranks But Will Not Start

Engine Misfires Or Runs Irregularly

Engine Does Not Develop Full Power

Engine Overheats

Auto-Idle Does Not Work

Coolant Temperature Too Low

Coolant in Oil or Oil in Coolant

Low Engine Oil Pressure

High Engine Oil Pressure

Engine Uses Too Much Oil

Engine Uses Too Much Fuel

Engine Emits Excessive White Exhaust Smoke

Engine Emits Excessive Black or Gray Exhaust Smoke

Turbocharger Excessively Noisy or Vibrates

Oil Dripping From Turbocharger Adapter

Excessive Drag in Turbocharger Rotating Members

Fuel In Oil

Group 25: Tests

Serpentine Belt Check and Adjust

High Pressure Fuel Pump Timing Check

Engine Valve Lash (Clearance) Check and Adjust

Engine Compression Pressure Test

Air Filter Restriction Indicator Switch Test

Engine Power Test Using Turbocharger Boost Pressure

Engine Oil Pressure Test

Section 9015: Electrical System

Group 05: System Information

Electrical Diagram Information

Group 10: System Diagrams

Explanation of Wire Markings

Fuse and Relay Specifications

System Functional Schematic, Component Location, and Wiring Diagram Master Legend

System Functional Schematic

Cab Harness (W1) Component Location

Cab Harness (W1) Wiring Diagram

Machine Harness (W2) Component Location

Machine Harness (W2) Wiring Diagram

Monitor Harness (W3) Component Location

Monitor Harness (W3) Wiring Diagram

Engine Harness (W4) Component Location

Engine Harness (W4) Wiring Diagram

Heater and Air Conditioner Harness (W6) Component Location

Heater and Air Conditioner Harness (W6) Wiring Diagram

Right Console Harness (W7) Component Location

Right Console Harness (W7) Wiring Diagram

Pump Harness (W8) Component Location

Pump Harness (W8) Wiring Diagram

Auxiliary Fuse Box Harness (W9) Component Location

Auxiliary Fuse Box Harness (W9) Wiring Diagram

Travel Alarm Cancel Switch Sub Harness (W10) Component Location

Travel Alarm Cancel Switch Sub Harness (W10) Wiring Diagram

Pilot Shutoff Switch Harness (W11) Component Location

Pilot Shutoff Switch Harness (W11) Wiring Diagram

Air Suspension Seat Harness (W12) Component Location

Air Suspension Seat Harness (W12) Wiring Diagram

Seat Heater Switch Harness (W13) Component Location

Seat Heater Switch Harness (W13) Wiring Diagram

Multi-Function Pilot Control Lever Harness (W14) Component Location

Multi-Function Pilot Control Lever Harness (W14) Wiring Diagram

Travel Alarm Cancel Switch Harness (W15) Component Location

Travel Alarm Cancel Switch Harness (W15) Wiring Diagram

Pilot Shutoff Valve Harness (W17) Component Location

Pilot Shutoff Valve Harness (W17) Wiring Diagram

Attachment Harness (W20) Component Location

Attachment Harness (W20) Wiring Diagram

2-Speed Harness (W21) Component Location

2-Speed Harness (W21) Wiring Diagram

Service Advisor Connector Harness (W22) Component Location

Service Advisor Connector Harness (W22) Wiring Diagram

Auxiliary Solenoid Harness (W61) Component Location

Auxiliary Solenoid Harness (W61) Wiring Diagram

JDLink™ System Harnesses Component Location—MIG/GTT

JDLink™ System Harnesses Component Location—MTG/SAT

JDLink™ System Wiring Diagrams—MIG/GTT

JDLink™ System Wiring Diagrams—MTG/SAT

Group 15: Sub-System Diagnostics

Controller Area Network (CAN) Theory of Operation

Starting and Charging Circuit Theory of Operation

Monitor Controller Circuit Theory of Operation

Engine Control Module (ECM) Circuit Theory of Operation

Main Controller (MCF) Circuit Theory of Operation

Information Controller (ICF) Circuit Theory of Operation

Travel Alarm Circuit Theory of Operation

Windshield Wiper and Washer Circuit Theory of Operation

Pilot Shutoff Circuit Theory of Operation

Attachment Control Circuit Theory of Operation

JDLink™ Circuit Theory of Operation—If Equipped

Group 16: Monitor Operation

Monitor Menu Operation

Monitor Service Menu Operation

Group 20: References

Monitor Data Items

Reading Diagnostic Trouble Codes with Monitor Display

Service ADVISOR™ Diagnostic Application

Service ADVISOR™ Connection Procedure

Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application

Service ADVISOR™ Interactive Tests

JDLink™ System Identification

JDLink™ Connection Procedure—If Equipped

Information Controller (ICF) Recorded Data

Fuse Test

Relay Test

Pressure Sensor Test

Solenoid Test

Proportional Solenoid Test

Temperature Sensor Test

Alternator Test

Electrical Component Checks

Battery Remove and Install

Rear Cover Remove and Install

Main Controller (MCF) Remove and Install

Engine Control Module (ECM) Remove and Install

Information Controller (ICF) Remove and Install

Monitor Controller Remove and Install

Key Switch Remove and Install

Switch Panel Remove and Install

Travel Alarm Remove and Install

Left Console Switch Remove and Install

Disconnect Tab Retainer Connectors

Disconnecting Spring Wire Clip Connectors

Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors

Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors

Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact

Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector

Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact

Replace (Pull Type) Metri-Pack™ Connectors

Replace (Push Type) Metri-Pack™ Connectors

Replace CINCH CINCH is a trademark of the Cinch Co. Connectors

Install CINCH CINCH is a trademark of the Cinch Co. Contact

Repair 32 and 48 Way CINCH CINCH is a trademark of the Cinch Co. Connectors

Remove Connector Body from Blade Terminals

Section 9020: Power Train

Group 05: Theory of Operation

Track Adjuster and Recoil Spring Operation

Travel Gearbox Operation

Group 15: Diagnostic Information

Diagnose Undercarriage Components Malfunctions

Measure Swing Bearing Wear

Section 9025: Hydraulic System

Group 05: Theory of Operation

Hydraulic System Diagram and Operation

Pilot System Diagram and Operation

Pilot Pump, Pressure Regulating Valve and Filter Operation

Pilot Shutoff Solenoid Valve Operation

Pilot Control Valve Operation

Travel Pilot Control Valve Operation

Pilot Operation of Control Valve Operation

Pilot Signal Manifold Operation

Pump 1, Pump 2 and Drive Gearbox Operation

Pump 1 and Pump 2 Regulator Operation

Engine Speed Sensing Control Circuit Operation

Control Valve Operation

Control Valve Check Valves Identification and Operation

Main Relief and Power Digging Valve Circuit Operation

Circuit Relief and Anticavitation Valve Operation

Travel Flow Combiner Valve Operation

Boom Lower Meter-In Cut Valve Operation

Boom Regenerative Valve Circuit Operation

Dig Regenerative Valve Circuit Operation

Arm Regenerative Valve Circuit Operation

Bucket Regenerative Valve Circuit Operation

Boom and Arm Reduced Leakage Valves Operation

Arm 1 Flow Rate Control Valve Circuit Operation

Arm 2 Flow Rate Control Valve Circuit Operation

Bucket Flow Rate Control Valve Circuit Operation

Boom Flow Rate Control Valve Circuit Operation

Auxiliary Flow Rate Control Valve Circuit Operation

Swing Reduction Gearbox Operation

Swing Motor, Crossover Relief Valve, and Make-Up Check Valve Operation

Swing Motor Dampener Valve Operation

Swing Motor Park Brake Release Circuit Operation

Center Joint Operation

Travel Motor and Park Brake Valve Operation (S.N. 501493— )

Travel Motor and Park Brake Valve Operation (S.N. —501492)

Travel Motor Speed Circuit Operation (S.N. 501493— )

Travel Motor Speed Circuit Operation (S.N. —501492)

Cylinder Operation

Return Filter Operation

Auxiliary System Operation

Auxiliary Pilot Control Valve Operation

Flow Rate Select Solenoid Valve Operation

Flow Rate Pressure Reducing Valve Operation

Secondary Auxiliary Relief Valve Solenoid Valve Operation

Secondary Auxiliary Relief Control Valve Operation

Secondary Auxiliary Relief Valve Operation

Selector Valve Solenoid Valve Operation

Selector Valve Operation

Auxiliary Flow Combiner Valve Operation

Auxiliary Shuttle Valve Operation

Auxiliary High Flow Line Kit Operation

Two Way Solenoid Kit Operation

Two Pump Combined Flow Kit Operation

Secondary Auxiliary Relief Kit Operation

Low Flow Kit Operation

Group 15: Diagnostic Information

All Hydraulic Functions Slow

Hydraulic Oil Overheats

No Hydraulic Functions

No Hydraulic Functions—Electrical Checks

Function Does Not Stop When Control Lever Released

Load Drifts Down When Control Lever is in Neutral Position

Load Falls When Control Valve is Actuated To Raise Load

H/P (High Power) Function Does Not Operate, PWR (Power) Mode is Normal

Boom Down Does Not Function, Moves Slowly, or is Erratic, All Other Functions Normal

Arm In Does Not Function, Moves Slowly, or is Erratic, All Other Functions Normal

Swing Speed Slow During Arm In Function

Boom Cannot Raise Track Off Ground

Swing Function Does Not Operate in Both Directions

Swing Speed Slow in Both Directions

Swing Speed Slow or Does Not Operate in One Direction

Upperstructure Drift With Swing Valve in Neutral

Machine Freewheels Down an Incline

Track Will Not Move in Either Direction

Machine Mistracks

Machine Mistracks Left During Combined Travel and Dig Functions

Machine Will Not Shift Into Fast (Rabbit) Speed

Pump 1, Pump 2, and Pilot Pump Line Identification

Control Valve Line Identification

Swing Motor Line Identification

Pilot Control Valve-to-Pilot Signal Manifold Component Location—Excavator Pattern

Pilot Control Valve-to-Pilot Signal Manifold Component Location—Backhoe Pattern

Pilot Signal Manifold-to-Control Valve Line Connection

Travel System Component Location

Travel Hydraulic System Line Connection (S.N. 501493— )

Travel Hydraulic System Line Connection (S.N. —501492)

Auxiliary Attachment Schematic

Auxiliary System Line Connections

Hydraulic System Schematic

Hydraulic System Component Location

Hydraulic System Line Connections

Group 25: Tests

JT05800 Digital Thermometer Installation

JT02156A Digital Pressure/Temperature Analyzer Installation

Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy

Hydraulic Oil Warm-Up Procedure

Pilot Pressure Regulating Valve Test and Adjustment

Control Valve Spool Actuating Pilot Pressure Test

Dig Regenerative Solenoid Valve Test and Adjustment

Arm Regenerative Solenoid Valve Test and Adjustment

Power Dig Solenoid Valve Test and Adjustment

Travel Speed Solenoid Valve Test and Adjustment (S.N. —501492)

Pump Control Pilot Pressure Signal Test

Torque Control Solenoid Valve Test and Adjustment

Main Relief and Power Digging Valve Test and Adjustment

Circuit Relief Valve Test and Adjustment

Swing Motor Crossover Relief Valve Test and Adjustment

Travel Motor Crossover Relief Valve Test and Adjustment

Pump Regulator Test and Adjustment—Minimum Flow

Pump Regulator Test and Adjustment—Maximum Flow

Pump Flow Test

Swing Motor Leakage Test

Travel Motor Leakage Test

Cylinder Drift Test—Boom, Arm, and Bucket

Section 9031: Heating and Air Conditioning

Group 05: Theory of Operation

Air Conditioning System Cycle of Operation

Group 15: Diagnostic Information

Diagnose Air Conditioning System Malfunctions

Diagnose Heating System Malfunctions

Heater and Air Conditioner Diagnostic Trouble Code Check

Heater and Air Conditioner Component Location

Group 25: Tests

Refrigerant Cautions and Proper Handling

Heater and Air Conditioner Operational Checks

Air Conditioner Compressor Clutch Test

Refrigerant Leak Test

Refrigerant Hoses and Tubing Inspection

Air Conditioner Compressor Belt Check and Adjustment

Operating Pressure Diagnostic Chart

Section 9050: Reference Material

Group 05: Terminology Cross Reference Chart

Terminology Cross Reference Chart

Section 9900: Dealer Fabricated Tools

Group 99: Dealer Fabricated Tools

DFT1218 Split Flange Hose Cap

John Deere 225DLC Excavator Operation & Test Service Manual (TM10082)