John Deere 240D LC and 270D LC Excavator Operation Diagnostic Service Manual
TM2320
John Deere 240DLC 270DLC TM2323
Deere 270DLC Excavator Catalog Manual
240DLC Series Parts Manual
This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.
Technical manuals are divided in two parts: repair and operation and tests. Repair sections tell how to repair the components.
Operation and tests sections help you identify the majority of routine failures quickly.
Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.
John Deere 240D LC and 270D LC Excavator Operation Diagnostic Service Manual
OPERATION AND TEST MANUAL240DLC, 270DLC
For complete service information also see:
240DLC and 270DLC Excavator TM2323
Alternators and Starting Motors CTM77
PowerTech Plus 4.5L and 6.8L Diesel
Engines Level 14 Electronic Fuel System CTM320
With Denso HPCR
Super Caddy Oil Cleanup Procedure CTM310
PowerTech 4.5L & 6.8L Diesel Engines
Tier 1/Stage I, Tier 2/Stage II, Tier
3/Stage IIIA, Tier 3/Stage IIA Tier 3/Stage CTM104
III, (Base Engine)
JDLINK/ZXLINK Machine Monitoring
System CTM10006
JDG10274 Ultrasonic Undercarriage
Measurement Gauge CTM10001
Table of contents:
FOREWORD
TECHNICAL INFORMATION FEEDBACK FORM
Section 9000 – GENERAL INFORMATION
Group 01 – Safety
Section 9001 – DIAGNOSTICS
Group 10 – Main Controller (MCF) Diagnostic Trouble Codes
Group 20 – Engine Control Unit (ECU) Diagnostic Trouble Codes
Group 30 – Information Controller (ICF) Diagnostic Trouble Codes
Group 40 – Air Conditioner Controller (ACF) Diagnostic Trouble Codes
Group 50 – Monitor Controller (MON) Diagnostic Trouble Codes
Section 9005 – OPERATIONAL CHECKOUT PROCEDURE
Group 10 – Operational Checkout Procedure
Section 9010 – ENGINE
Group 05 – Theory of Operation
Group 15 – Diagnostic Information
Group 25 – Tests
Section 9015 – ELECTRICAL SYSTEM
Group 05 – System Information
Group 10A – System Diagrams—240DLC
Group 10B – System Diagrams—270DLC
Group 15 – Sub-System Diagnostics
Group 16 – Monitor Operation
Group 20 – References
Section 9020 – POWER TRAIN
Group 05 – Theory of Operation
Group 15 – Diagnostic Information
Section 9025 – HYDRAULIC SYSTEM
Group 05 – Theory of Operation
Group 15 – Diagnostic Information
Group 25 – Tests—240DLC and 270DLC
Group 25A – Tests—240DLC
Group 25B – Tests—270DLC
Section 9031 – HEATING AND AIR CONDITIONING
Group 05 – Theory of Operation
Group 15 – Diagnostic Information
Group 25 – Tests
Section 9050 – REFERENCE MATERIAL
Group 05 – Terminology Cross Reference Chart
Section 9900 – DEALER FABRICATED TOOLS
Group 99 – Dealer Fabricated Tools
Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.
Fundamental service information is available from other sources covering basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes.
John Deere 240D LC and 270D LC Excavator Operation Diagnostic Service Manual