John Deere 240DLC and 270DLC Excavator Repair Technical Manual (TM2323)

John Deere 240DLC and 270DLC Excavator Repair Technical Manual (TM2323 10NOV15)

This official John Deere repair manual provides expert guidance on servicing, troubleshooting, and rebuilding key systems of the 240DLC and 270DLC excavators. Covering hydraulic components, powertrain systems, electrical circuits, and operator station maintenance, this manual is essential for technicians and machine owners who need detailed repair instructions and technical specifications.

File Format: PDF

Size: 25.20 MB

No. of pages: 486

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

General Information & Safety Guidelines

• Safety measures for operation, service, and repairs
• Handling high-pressure fluids and electrical components
• Welding guidelines and machine modifications

Tracks & Undercarriage Maintenance

• Track roller and carrier roller removal, assembly, and pressure testing
• Track chain repair, sprocket servicing, and front idler adjustments
• Track adjuster and recoil spring troubleshooting

Axles, Transmission & Hydraulic Drive

• Travel gearbox removal, disassembly, and startup procedures
• Hydraulic travel motor and park brake diagnostics
• Relief valve and solenoid testing

Engine & Cooling System

• Engine removal and installation procedures
• Radiator, oil cooler, and charge air cooler maintenance
• Fan drive motor servicing and belt tension adjustments

Frame, Cab & Operator’s Station

• Cab removal, window and door maintenance
• Seat belt, suspension seat, and air conditioning system servicing
• Heater and air conditioning refrigerant handling

Hydraulic System & Excavator Attachments

• Main hydraulic pump troubleshooting and repair
• Control valve, pilot valve, and solenoid valve adjustments
• Boom, arm, and bucket cylinder maintenance

Swing System & Final Drive

• Swing gearbox removal, disassembly, and startup procedures
• Swing motor and park brake troubleshooting
• Center joint (rotary manifold) diagnostics

Dealer Fabricated Tools & Special Procedures

• Custom service tools for track spring disassembly
• Pump lifting brackets and torque adapter specifications
• Travel gearbox nut spanner wrench instructions

For complete service information, also see:

240DLC and 270DLC Excavator Diagnostic .......... TM2320
Alternators and Starting Motors .......... CTM77
PowerTech Plus 4.5L and 6.8L Diesel Engines Level 14 Electronic Fuel System With Denso HPCR .......... CTM320
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 III (Base Engine) .......... CTM104
JDLink/ZXLink Machine Monitoring System .......... CTM10006
JDG10274 Ultrasonic Undercarriage Measurement Gauge .......... CTM10001

This John Deere 240DLC and 270DLC Excavator Repair Technical Manual is an essential resource for technicians and service professionals, providing step-by-step procedures and troubleshooting techniques for efficient machine maintenance and repair.