JOHN DEER 450CLC EXCAVATOR SERVICE REPAIR TECHNICAL MANUAL (TM1925)

This comprehensive service and repair manual is the ultimate guide for maintaining and troubleshooting the John Deere 450CLC Excavator. It covers detailed instructions for all key systems, ensuring efficient operation and long-lasting performance.

Manual Overview

The service manual is divided into well-organized sections to help technicians easily find essential information for servicing, diagnosing, and repairing various components of the John Deere 450CLC Excavator.

Section Highlights:

Section 00 – General Information

• Predelivery Assembly Instructions
• Specifications
• Step-by-step procedures for installing key components such as the boom, arm, bucket, and counterweight.
• Track Gauge Adjustment (Work and Transport Position)
• Hydraulic Oil Level Check & Lubrication Instructions

Section 01 – Tracks

• Detailed instructions on servicing the track system, including rollers, sprockets, and chains.
• Procedures for adjusting the track tension and disassembling the track adjuster cylinder.

Section 02 – Axles and Suspension Systems (Propel)

• Axle Shaft, Bearings, and Reduction Gears Maintenance
• Removal, Installation, and Adjustment Procedures for the Propel Gearbox and Motor

Section 04 – Engine

• Full removal and installation instructions for the engine
• Specifications, essential tools, and service recommendations

Section 05 – Engine Auxiliary Systems

• Cooling System: Fan, radiator, and guard maintenance
• Intake System: Air cleaner and piping servicing
• External Fuel Supply System: Fuel tank removal and installation

Section 07 – Connector Drive

• Removal and installation of the connector drive coupling with detailed specifications and procedures

Section 16 – Electrical System

• Battery maintenance and wiring harness servicing
• Removal and installation of key electrical components such as the ECU, monitor controller, and pump valve controller

Section 17 – Frame, Chassis, or Supporting Structure

• Counterweight removal and installation instructions
• Maintenance of the excavator frame and structural components

Section 18 – Operator’s Station

• Complete procedures for cab removal and installation
• Sliding windows, seat, and seat belt maintenance
• Air conditioning system servicing: refrigerant recovery, evacuation, charging, and compressor maintenance

Section 20 – Safety, Convenience, and Miscellaneous

• Travel alarm and horn system maintenance
• Safety recommendations and warning device installation procedures

Section 33 – Excavator

• Bucket, arm, and boom maintenance and installation instructions
• Inspecting and replacing bushings, seals, and pins for the boom and arm
• Hydraulic system procedures for pilot valves, main control valve, and hydraulic cylinders

Section 43 – Swing or Pivoting System

• Swing motor and brake maintenance
• Swing gearbox removal, installation, and start-up procedure
• Disassembly and assembly of the swing bearing and installation of upper/lower seals

Section 99 – Dealer Fabricated Tools

• List of dealer-fabricated tools for advanced maintenance and repair
• Tools such as the ST4920 Track Recoil Spring Disassembly Tool, DFT1221 Propel Gearbox Nut Wrench, and DFT1220 Swing Gearbox Nut Spanner Wrench

DOWNLOAD NOW JOHN DEER 450CLC EXCAVATOR SERVICE REPAIR TECHNICAL MANUAL (TM1925)

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Size: 23.15 MB

No. of pages: 382

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📑 Table of Contents:

- 450CLC Excavator Repair
- TECHNICAL INFORMATION FEEDBACK FORM
- Section 00 - GENERAL INFORMATION
- Group 06 - Predelivery Assembly Instructions
- Specifications
- Install Boom, Arm, Bucket and Counterweight
- Adjust Bucket Linkage
- Attach Windshield Wiper
- Track Gauge Work Position Adjustment
- Track Gauge Transport Position Adjustment
- Check Hydraulic Oil Level
- Lubricate Working Tool Pivots
- Install Counterweight
- Section 01 - TRACKS
- Group 0130 - Track System
- Service Equipment and Tools
- Other Material
- Specifications
- Track Roller
- Inspect Metal Face Seals
- Track Carrier Roller
- Remove and Install Track Shoe
- Track Chain
- Remove and Install Sprocket
- Front Idler
- Track Adjuster Cylinder and Recoil Spring
- Disassemble and Assemble Track Adjuster Cylinder
- Section 02 - AXLES AND SUSPENSION SYSTEMS (PROPEL)
- Group 0250 - Axle Shaft, Bearings and Reduction Gears
- Essential Tools
- Service Equipment and Tools
- Other Material
- Specifications
- Propel Gearbox
- Group 0260 - Hydraulic System
- Essential Tools
- Service Equipment and Tools
- Other Material
- Specifications
- Propel Motor and Brake
- Propel Motor Start-Up Procedure
- Remove and Install Rotary Manifold
- Section 04 - ENGINE
- Group 0400 - Removal and Installation
- Essential Tools
- Service Equipment and Tools
- Other Material
- Specifications
- Remove and Install Engine
- Section 05 - ENGINE AUXILIARY SYSTEMS
- Group 0510 - Cooling System
- Specifications
- Remove and Install Fan, Shroud, and Guard
- Remove and Install Radiator
- Group 0520 - Intake System
- Remove and Install Air Cleaner and Piping
- Group 0560 - External Fuel Supply Systems
- Specifications
- Remove and Install Fuel Tank
- Section 07 - CONNECTOR DRIVE
- Group 0752 - Elements
- Specifications
- Remove and Install Connector Drive Coupling
- Section 16 - ELECTRICAL SYSTEM
- Group 1671 - Batteries, Support and Cables
- Specifications
- Remove and Install Batteries
- Group 1674 - Wiring Harness and Switches
- Remove and Install Key Switch
- Group 1675 - System Controls
- Remove and Install Engine Control Unit (ECU)
- Remove and Install Pump and Valve Controller (PVC)
- Remove and Install Monitor Controller
- Section 17 - FRAME, CHASSIS OR SUPPORTING STRUCTURE
- Group 1749 - Chassis Weights
- Specifications
- Remove and Install Counterweight
- Section 18 - OPERATOR′S STATION
- Group 1800 - Removal and Installation
- Specifications
- Remove and Install Cab
- Group 1810 - Operator Enclosure
- Other Material
- Remove and Install Sliding Windows
- Group 1821 - Seat and Seat Belt
- Remove and Install Seat Belt
- Group 1830 - Heater and Air Conditioning
- Refrigerant Cautions and Proper Handling
- Essential Tools
- Service Equipment and Tools
- Specifications
- R134a Component Oil Charge
- R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure
- Recover R134a System
- Evacuate R134a System
- Charge R134a System
- Check and Adjust Compressor Belt Tension
- Remove and Install Air Conditioning Compressor
- Remove and Install Receiver-Dryer
- Remove and Install Evaporator
- Remove and Install Condenser
- Remove and Install Heater Core
- Section 20 - SAFETY, CONVENIENCE, AND MISCELLANEOUS
- Group 2004 - Horn and Warning Devices
- Remove and Install Travel Alarm
- Section 33 - EXCAVATOR
- Group 3302 - Bucket
- Specifications
- Remove and Install Bucket and Linkage
- Adjust Bucket Linkage
- Bucket Pin-Up Data
- Group 3340 - Frames
- Specifications
- Remove and Install Arm
- Remove and Install Boom
- Inspect Arm and Boom Pins and Bushings
- Remove and Install Bushings and Seals
- Group 3360 - Hydraulic System
- Essential Tools
- Service Equipment and Tools
- Other Material
- Specifications
- Hydraulic Oil Tank Vent Procedure
- Main Hydraulic Pump
- Hydraulic Pump Start-Up Procedure
- Main Hydraulic Pump Regulator
- Pilot Pump
- Pilot Shut-Off Valve
- Remove and Install Pilot Check Valve Manifold
- Remove and Install Swing Priority Solenoid Valve
- Pilot Controller
- Propel Pilot Controller
- Pilot Signal Manifold
- Main Control Valve
- Remove and Install Bucket Cylinder
- Remove and Install Arm Cylinder
- Remove and Install Boom Cylinder
- Disassemble Bucket, Arm, or Boom Cylinder
- Assemble Bucket, Arm, or Boom Cylinder
- Remove and Install Hydraulic Oil Cooler
- Remove and Install Hydraulic Oil Cooler Bypass Valve
- Remove and Install Restriction Valve
- Remove and Install Hydraulic Oil Tank
- Section 43 - SWING OR PIVOTING SYSTEM
- Group 4350 - Mechanical Drive Elements
- Essential Tools
- Service Equipment and Tools
- Other Material
- Specifications
- Swing Gearbox
- Swing Gearbox Start-Up Procedure
- Remove Upperstructure
- Install Upperstructure
- Remove and Install Swing Bearing
- Disassemble and Assemble Swing Bearing
- Install Swing Bearing Upper Seal
- Install Swing Bearing Lower Seal
- Group 4360 - Hydraulic System
- Specifications
- Swing Motor and Brake
- Swing Motor Start-Up Procedure
- Crossover Relief Valves and Make-Up Valves
- Section 99 - DEALER FABRICATED TOOLS
- Group 9900 - Dealer Fabricated Tools
- ST4920 Track Recoil Spring Disassembly and Assembly Tool
- DFT1129 Spacer
- DFT1087 Track Recoil Spring Disassembly and Assembly Guard Tool
- DFT1221 PROPEL GEARBOX NUT WRENCH
- Rotary Manifold Lifting Tool
- DFT1220 Swing Gearbox Nut Spanner Wrench
- DFT1089 Barrel Support
- DFT1090 Wide Flange Beam Support
- DFT1144 Guide Pin

This John Deere 450CLC Excavator Service Repair Technical Manual is an essential resource for operators, service technicians, and maintenance teams. Keep your equipment running at peak performance by following the manual’s detailed instructions for repair and upkeep.

📚 Step-by-Step Instructions with Detailed Pictures:

No more guesswork! Our JOHN DEER 450CLC EXCAVATOR SERVICE REPAIR TECHNICAL MANUAL (TM1925) provides crystal-clear guidance, accompanied by detailed images, making every repair and service procedure a breeze.

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🚙 All Models, Engines, Trims, and Transmissions Covered:

No matter your vehicle's make or model, our JOHN DEER 450CLC EXCAVATOR SERVICE REPAIR TECHNICAL MANUAL (TM1925) has you covered from A to Z. With detailed instructions for every aspect of servicing and repairs, you'll be back on the road in no time.

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