Description
Komatsu D51EXi Workshop Manual covering D51EXi-24 and D51PXi-24 Japan crawler bulldozers from serial number 10001 and up provides comprehensive technical information for service, maintenance, testing, troubleshooting, adjustment, repair and overhaul.
This exceptionally comprehensive 2952-page workshop manual is a major technical reference for owners, mechanics, engineers, technicians, contractors and professional plant repair workshops working on Komatsu D51EXi-24 and D51PXi-24 bulldozers within the stated serial number range.
The Komatsu D51EXi Workshop Manual provides extensive technical information for routine servicing through to detailed fault diagnosis, disassembly, repair, adjustment and major component overhaul.
MODELS COVERED
• Komatsu D51EXi-24
• Komatsu D51PXi-24
• Japan specification
• Serial Number: 10001 and up
MANUAL DETAILS
• Manufacturer: Komatsu
• Models: D51EXi-24 and D51PXi-24
• Series: D51 -24
• Machine type: Crawler Bulldozer
• Market/version: Japan
• Serial number coverage: 10001 and up
• Manual type: Workshop Manual
• Pages: 2952
• Format: Digital PDF
KOMATSU D51EXi WORKSHOP MANUAL INFORMATION
The Komatsu D51EXi Workshop Manual provides detailed technical information for maintaining, diagnosing and repairing D51EXi-24 and D51PXi-24 crawler bulldozers from serial number 10001 and up.
These machines operate in demanding construction and earthmoving environments where components are subjected to heavy loads, vibration, dust, dirt, mud and prolonged operation.
Accurate technical information is therefore particularly important when carrying out servicing, troubleshooting and major repair work.
The workshop manual can be consulted before dismantling components to understand the relevant machine system and identify the appropriate procedures. During repairs it provides a reference for specifications, inspection, testing and adjustment. It can then be used during reassembly and final checking before the machine is returned to work.
SPECIFICATIONS
Technical specifications provide an important reference when inspecting components and diagnosing faults.
Measurements and operating values taken from the machine can be compared with the appropriate workshop specifications to determine whether systems and components are operating correctly.
This can help identify whether further testing, adjustment, repair or component replacement is required.
STRUCTURE AND FUNCTION
Understanding how the individual machine systems operate is important before beginning complicated diagnostic or repair work.
The manual provides detailed structure and function information to help technicians understand the relationship between major components and systems.
This provides a valuable foundation for systematic troubleshooting.
STANDARD VALUE TABLES
Standard workshop values are particularly useful when carrying out testing and adjustment.
Actual machine readings can be compared with the appropriate standard values to help determine whether operation is within specification.
This can assist mechanics in identifying developing faults and avoiding unnecessary replacement of components that are still operating correctly.
SERVICE AND MAINTENANCE
Regular servicing and inspection are essential for maintaining the reliability and working life of a Komatsu D51 bulldozer.
This workshop manual can assist with planned maintenance, machine inspection and investigation of abnormal operation.
For machines with high operating hours or an incomplete previous service history, the workshop information is particularly valuable when assessing the condition of major systems.
Correct servicing can help identify wear and developing problems before they lead to major component failure and expensive downtime.
TESTING AND ADJUSTING
Testing and adjustment procedures are important during fault diagnosis and following repairs.
Workshop specifications and procedures can be used to check machine systems and determine whether they are operating within the required values.
Where test results are outside specification, the technician can investigate the cause before replacing components.
Following repair or overhaul, the appropriate information can also be used to carry out final adjustments and checks.
TROUBLESHOOTING AND FAULT DIAGNOSIS
Crawler bulldozers incorporate mechanical, hydraulic, electrical and electronic systems that operate together.
This can make fault diagnosis complicated because a symptom appearing in one system may sometimes be caused by a problem elsewhere in the machine.
The Komatsu D51EXi Workshop Manual provides detailed troubleshooting information to support a systematic diagnostic approach.
Correct testing and diagnosis can save considerable workshop time, reduce unnecessary parts replacement and help return the machine to work more quickly.
REPAIR AND OVERHAUL INFORMATION
With 2952 pages, this is an exceptionally extensive workshop manual suitable for normal workshop repairs through to major machine and component overhaul.
Major repairs may involve removing complete assemblies, dismantling components, inspecting individual parts, checking wear and service limits, replacing damaged components and correctly rebuilding the machine.
Having the appropriate technical information available throughout the repair provides the mechanic with a consistent workshop reference.
Major sections may include information relating to:
• Specifications
• Structure and function
• Standard value tables
• Testing and adjusting
• Troubleshooting
• Disassembly and assembly
• Maintenance standards
• Engine and cooling systems
• Power train
• Transmission and drivetrain
• Undercarriage and frame
• Hydraulic systems
• Work equipment
• Cab and attachments
• Electrical systems
• Electronic controls
• Sensors and instrumentation
• Hydraulic diagrams
• Electrical circuit diagrams
POWER TRAIN AND DRIVETRAIN
The power train transfers engine power through the machine and is critical to reliable bulldozer operation.
Wear, incorrect adjustment or internal component problems can result in reduced performance, abnormal operation or loss of drive.
The workshop manual provides an important technical reference when investigating drivetrain faults and carrying out inspection, testing, dismantling, repair and reassembly.
HYDRAULIC SYSTEM
The hydraulic system controls important machine and work equipment functions.
Weak, slow or irregular hydraulic performance can result from component wear, contamination, incorrect adjustment or faults elsewhere within the system.
The Komatsu D51EXi Workshop Manual provides technical information that can assist with hydraulic inspection, testing, diagnosis, adjustment and repair.
Correct testing information can be particularly valuable before expensive hydraulic components are removed or replaced.
UNDERCARRIAGE AND FRAME
Crawler bulldozer undercarriage components operate under severe working conditions and are subjected to continuous loads and wear.
Tracks, rollers, idlers, sprockets, final drives, frames and associated components require regular inspection and maintenance.
The workshop manual provides technical information useful when assessing component condition, investigating wear and carrying out repairs.
WORK EQUIPMENT
The blade and associated work equipment are subjected to heavy loads throughout normal bulldozer operation.
Correct inspection, maintenance and repair are important for dependable operation.
Workshop information can assist with applicable work equipment inspection, adjustment, dismantling and repair procedures.
ELECTRICAL AND ELECTRONIC SYSTEMS
Electrical and electronic systems can make accurate technical information particularly important during troubleshooting.
Problems involving wiring, sensors, controls, instrumentation or related components can be difficult to diagnose without understanding correct system operation.
The manual provides technical information for electrical and electronic systems and can assist technicians with systematic testing and fault diagnosis.
DISASSEMBLY AND ASSEMBLY
Major repairs frequently require complete components and assemblies to be removed from the bulldozer and dismantled.
Correct procedures are important both during disassembly and when rebuilding components after inspection or repair.
The workshop manual provides detailed technical information to assist with applicable removal, dismantling, inspection, reassembly and installation procedures.
SERIAL NUMBER 10001 AND UP
This manual is specifically identified for Komatsu D51EXi-24 and D51PXi-24 bulldozers from serial number 10001 and up.
Serial number coverage is particularly important when selecting a workshop manual because production changes can result in differences in specifications, components, electrical systems and repair procedures.
Always check the machine model and serial number before purchasing or carrying out repair work.
KOMATSU D51EXi-24
The Komatsu D51EXi-24 crawler bulldozer is specifically covered by this workshop manual.
The manual provides the detailed technical reference required for servicing, diagnosis and repair of machines within the stated serial number range.
KOMATSU D51PXi-24
The Komatsu D51PXi-24 crawler bulldozer is also covered.
Owners and workshops maintaining either model therefore have extensive workshop information available within this comprehensive 2952-page manual.
WHO IS THIS MANUAL FOR?
This workshop manual is suitable for:
• Komatsu D51EXi and D51PXi owners
• Plant mechanics
• Heavy equipment technicians
• Construction equipment engineers
• Earthmoving contractors
• Agricultural contractors
• Independent plant repair workshops
• Fleet maintenance departments
• Machinery repair specialists
• Owners carrying out their own servicing and repairs
WHY THE CORRECT D51EXi MANUAL MATTERS
Komatsu produced different versions and generations of the D51 crawler bulldozer, and specifications and components can vary according to model, production version and serial number.
This manual specifically covers the Komatsu D51EXi-24 and D51PXi-24 Japan bulldozers from serial number 10001 and up.
Using workshop information appropriate to the correct model and serial number helps ensure that the relevant specifications, testing information and repair procedures are available before work begins.
DIGITAL PDF WORKSHOP MANUAL
The digital PDF format makes this exceptionally large technical manual practical for regular workshop use. It can be stored on a desktop computer, workshop laptop or suitable portable device and referred to whenever technical information is required.
With 2952 pages of detailed information, the Komatsu D51EXi Workshop Manual provides a comprehensive technical reference for servicing, testing, troubleshooting, repairing and overhauling D51EXi-24 and D51PXi-24 Japan crawler bulldozers from serial number 10001 and up.
Digital PDF workshop manual.
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