Description
Komatsu D51EXi Workshop Manual covering D51EXi-24 and D51PXi-24 crawler bulldozers provides comprehensive technical information for service, maintenance, testing, troubleshooting, adjustment, repair and overhaul.
This exceptionally comprehensive 2966-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.
The Komatsu D51EXi Workshop Manual provides extensive information for routine maintenance through to detailed fault diagnosis and major component repair and overhaul. With almost 3,000 pages of technical information, it is a substantial workshop reference for these D51 -24 Series machines.
MODELS COVERED
• Komatsu D51EXi-24
• Komatsu D51PXi-24
MANUAL DETAILS
• Manufacturer: Komatsu
• Models: D51EXi-24 and D51PXi-24
• Series: D51 -24
• Machine type: Crawler Bulldozer
• Manual type: Workshop Manual
• Pages: 2966
• Format: Digital PDF
KOMATSU D51EXi WORKSHOP MANUAL INFORMATION
The Komatsu D51EXi Workshop Manual provides detailed technical information required when maintaining, diagnosing and repairing D51EXi-24 and D51PXi-24 crawler bulldozers.
These machines operate in demanding construction and earthmoving environments where components are subjected to heavy loads, vibration, dust, dirt and prolonged working periods. Accurate technical information is therefore essential when servicing, troubleshooting or repairing the machine.
The manual can be consulted before work begins to understand the relevant system and determine the correct workshop approach. During repairs it provides a reference for specifications, inspection, testing and adjustment information. It can then be used during reassembly and final checking before the bulldozer is returned to service.
SPECIFICATIONS AND TECHNICAL DATA
Correct technical specifications are important when inspecting components and diagnosing machine faults.
Measurements and operating values obtained from the machine can be compared with the appropriate workshop information to determine whether systems are operating correctly.
This can help identify components that require further investigation, adjustment or repair and reduce unnecessary replacement of serviceable parts.
STRUCTURE AND FUNCTION
Understanding how the individual systems and components operate is particularly important when diagnosing complex faults.
The workshop manual provides technical information that can assist mechanics in understanding the relationship between major machine systems.
This provides a useful foundation before testing begins and can make troubleshooting more systematic and efficient.
SERVICE AND MAINTENANCE
Regular servicing is essential for maintaining the reliability and working life of a Komatsu D51 bulldozer.
The manual can assist with planned maintenance, inspection and the investigation of wear or abnormal operation.
For machines with high operating hours or incomplete previous maintenance records, the workshop information can be particularly valuable when carrying out a detailed assessment of machine condition.
Correct maintenance and regular inspection can help identify developing problems before they result in major component failure and expensive downtime.
TESTING AND ADJUSTMENT
Testing and adjustment information is important during both fault diagnosis and repair.
Workshop procedures and specifications can be used to check machine systems and determine whether they are operating within the required values.
Where results are outside specification, the mechanic can investigate further before replacing components.
Following repair or overhaul work, the relevant information can also be used to carry out final adjustments and checks.
TROUBLESHOOTING AND FAULT DIAGNOSIS
Modern crawler bulldozers incorporate mechanical, hydraulic, electrical and electronic systems that operate together.
This can make fault diagnosis difficult because a symptom appearing in one area may sometimes be caused by a problem elsewhere.
The Komatsu D51EXi Workshop Manual provides detailed technical information to support a systematic approach to troubleshooting.
Using the correct testing information and specifications can help technicians identify the actual cause of a fault rather than relying on trial-and-error component replacement.
This can reduce repair costs and machine downtime.
REPAIR AND OVERHAUL INFORMATION
At 2966 pages, this is an exceptionally extensive workshop manual suitable for routine repairs as well as major component overhaul work.
Major repairs can 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 workshop information available throughout this process provides a consistent technical reference.
Depending upon the relevant sections of the original publication, workshop information may assist with systems and components including:
• Engine and associated systems
• Cooling system
• Fuel system
• Air intake and exhaust
• Power train
• Transmission and drivetrain
• Steering and braking
• Final drives
• Undercarriage and frame
• Hydraulic systems
• Work equipment
• Blade equipment
• Electrical equipment
• Electronic controls
• Sensors and instrumentation
• Testing and adjustment
• Troubleshooting
• Disassembly and assembly
• General service and repair information
ENGINE AND RELATED SYSTEMS
Correct engine performance is essential to reliable bulldozer operation.
Problems associated with fuel delivery, cooling, air intake, exhaust or other engine-related systems can cause reduced performance, overheating or abnormal operation.
The workshop manual provides technical information that can assist with applicable inspection, testing, servicing and repair procedures.
POWER TRAIN AND TRANSMISSION
The power train transfers engine power through the machine and is critical to bulldozer performance.
Wear, incorrect adjustment or component failure can result in reduced performance, abnormal operation or loss of drive.
The Komatsu D51EXi Workshop Manual provides a valuable technical reference when investigating drivetrain problems and carrying out inspection, testing, repair and reassembly.
Accurate specifications and adjustment information are particularly important during major power train or transmission repair work.
HYDRAULIC SYSTEM
The hydraulic system operates important machine and work equipment functions.
Weak, slow or irregular hydraulic performance may be caused by wear, contamination, incorrect adjustment or faults elsewhere within the system.
Correct technical information allows pressures, operating values and components to be checked systematically.
The manual can assist with hydraulic inspection, testing, diagnosis, adjustment and repair procedures covered by the original publication.
UNDERCARRIAGE AND FINAL DRIVES
Crawler bulldozer undercarriage components operate in severe conditions and are subjected to continuous heavy loads and wear.
Tracks, rollers, idlers, sprockets, final drives and associated components require regular inspection and maintenance.
Workshop information can assist when assessing component condition, investigating abnormal wear and carrying out relevant repairs.
WORK EQUIPMENT
The blade and associated work equipment operate under demanding loads throughout normal bulldozer operation.
Correct inspection, maintenance and repair are important for dependable machine performance.
The workshop manual provides technical information for the work equipment and associated systems covered within the original publication.
ELECTRICAL AND ELECTRONIC SYSTEMS
Electrical and electronic control systems require accurate technical information for successful fault diagnosis.
Problems involving sensors, wiring, controls, instrumentation or associated equipment can be difficult to identify without understanding the correct system operation.
The Komatsu D51EXi Workshop Manual provides a technical reference for electrical equipment, electronic controls and related systems covered by the manual.
Using the correct technical information can help reduce diagnostic time and avoid unnecessary replacement of components.
DISASSEMBLY AND ASSEMBLY
Major workshop repairs frequently require components or complete assemblies to be removed and dismantled.
Correct procedures are important to prevent component damage and ensure the machine is rebuilt correctly.
The manual provides detailed workshop information that can assist technicians with applicable disassembly, inspection, repair and assembly procedures.
KOMATSU D51EXi-24
The Komatsu D51EXi-24 crawler bulldozer is specifically covered by this workshop manual.
Correct identification of the complete model and series is important because specifications, components, control systems and repair procedures can differ between different generations of Komatsu D51 machines.
KOMATSU D51PXi-24
The Komatsu D51PXi-24 crawler bulldozer is also covered within this manual.
Owners and repair workshops maintaining either the D51EXi-24 or D51PXi-24 therefore have extensive technical information available within this exceptionally comprehensive 2966-page workshop reference.
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.
Although machines can appear similar, there can be significant differences in components, specifications, electronic controls, hydraulic systems and workshop procedures.
This manual specifically covers the Komatsu D51EXi-24 and D51PXi-24 models.
Using workshop information appropriate to the correct machine model can save considerable time during servicing, fault diagnosis and repair and helps ensure that the correct specifications and procedures are being followed.
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 2966 pages of detailed workshop information, the Komatsu D51EXi Workshop Manual provides a comprehensive technical reference for servicing, maintaining, testing, troubleshooting, repairing and overhauling D51EXi-24 and D51PXi-24 crawler bulldozers.
Whether carrying out routine maintenance, diagnosing an operating problem, testing hydraulic or electrical systems, repairing drivetrain components or undertaking a major overhaul, this manual provides valuable technical information for these Komatsu D51 -24 Series bulldozers.
Digital PDF workshop manual.
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