Description
Komatsu D51 Workshop Manual covering D51EX-22 and D51PX-22 crawler bulldozers provides comprehensive service, maintenance, troubleshooting, testing, adjustment, repair and overhaul information.
This extensive 1267-page workshop manual provides detailed technical information for owners, mechanics, engineers, technicians, contractors and professional repair workshops working on Komatsu D51EX-22 and D51PX-22 bulldozers.
The Komatsu D51 Workshop Manual is an important technical reference for routine servicing through to major component repair and overhaul. It can assist with fault diagnosis, machine inspection, testing, dismantling, checking specifications, component repair, adjustment and correct reassembly.
MODELS COVERED
• Komatsu D51EX-22
• Komatsu D51PX-22
MANUAL DETAILS
• Manufacturer: Komatsu
• Models: D51EX-22 and D51PX-22
• Series: D51 -22
• Machine type: Crawler Bulldozer
• Manual type: Workshop Manual
• Pages: 1267
• Format: Digital PDF
KOMATSU D51 WORKSHOP MANUAL INFORMATION
The Komatsu D51 Workshop Manual provides detailed workshop information for servicing and repairing D51EX-22 and D51PX-22 crawler bulldozers.
These machines are designed for demanding construction, earthmoving and site work and can be subjected to heavy loads, vibration, dust, dirt, mud and long working periods. Correct servicing and accurate repair information are therefore important for maintaining reliability and reducing unnecessary downtime.
The manual can be consulted before work begins to identify the appropriate procedures and technical information. During repairs it provides a reference for specifications, inspection, testing and adjustment information. It can then be used during reassembly and final checks before the bulldozer is returned to service.
SERVICE AND MAINTENANCE
Regular servicing and inspection are essential for maintaining a Komatsu D51 bulldozer in reliable working condition.
This workshop manual can assist when carrying out planned maintenance, inspecting components and investigating wear, deterioration or abnormal machine operation.
It is particularly valuable when maintaining a used machine where the previous service and repair history may be incomplete.
Technical workshop information can help identify areas requiring further inspection and allow repair work to be planned before major dismantling begins.
Correct maintenance may also help identify developing problems before they result in expensive failures and prolonged machine downtime.
TROUBLESHOOTING AND FAULT DIAGNOSIS
Accurate fault diagnosis can save considerable workshop time and unnecessary replacement of components.
Crawler bulldozers contain mechanical, hydraulic, electrical and control systems that work together. A symptom appearing in one area can therefore sometimes be caused by a problem elsewhere in the machine.
The Komatsu D51 Workshop Manual provides technical information that can assist mechanics with a systematic approach to troubleshooting.
Specifications, testing procedures and workshop information can be used to compare actual machine condition with the correct technical data before deciding whether a component requires adjustment, repair or replacement.
REPAIR AND OVERHAUL INFORMATION
With 1267 pages, this is a substantial workshop manual suitable for normal repairs as well as more extensive component overhaul work.
Major workshop repairs can involve dismantling assemblies, inspecting individual parts, checking wear and service limits, replacing damaged components, making adjustments and correctly rebuilding the machine.
Having the appropriate workshop information available throughout the repair provides a consistent technical reference and helps reduce mistakes.
Depending upon the appropriate section of the original manual, workshop information may assist with machine systems and components including:
• Engine and associated equipment
• Cooling system
• Fuel system
• Air intake and exhaust
• Power train
• Transmission
• Steering system
• Brake system
• Final drives
• Undercarriage
• Hydraulic equipment
• Blade and work equipment
• Electrical equipment
• Controls and instrumentation
• Testing and adjustment
• Troubleshooting procedures
• General service information
ENGINE AND RELATED SYSTEMS
Correct engine performance is essential to overall bulldozer operation.
Problems with fuel delivery, cooling, intake, exhaust or associated engine systems can result in poor performance, overheating, difficult starting or other operating problems.
The workshop manual provides useful technical information when carrying out applicable engine-related servicing, diagnosis and repair work.
POWER TRAIN AND TRANSMISSION
The power train and transmission transfer engine power through the machine and are critical to reliable bulldozer operation.
Wear, incorrect adjustment or internal component failure can result in poor drive, reduced performance or other operational problems.
The Komatsu D51 Workshop Manual provides valuable technical information when inspecting, diagnosing, dismantling, repairing and reassembling drivetrain components.
Accurate specifications and adjustment information are particularly important during major transmission and power train repairs.
HYDRAULIC SYSTEM
Hydraulic systems control important bulldozer and work equipment functions.
Weak, slow or irregular hydraulic operation may be caused by component wear, contamination, incorrect adjustment or faults elsewhere within the system.
This workshop manual provides technical information that can assist with hydraulic inspection, testing, diagnosis, adjustment and repair procedures where covered by the original publication.
UNDERCARRIAGE AND FINAL DRIVES
Crawler bulldozer undercarriage components operate under severe conditions and are subjected to continuous wear.
Tracks, rollers, idlers, sprockets, final drives and associated components require regular inspection and correct maintenance.
The manual provides useful workshop information when assessing undercarriage condition, investigating problems and carrying out relevant repair procedures.
ELECTRICAL AND CONTROL SYSTEMS
Electrical and control problems can be difficult and time consuming to diagnose without suitable technical information.
The workshop manual provides an important reference when investigating electrical equipment, sensors, controls, instrumentation and related systems covered by the original publication.
Using the correct technical information can help reduce diagnostic time and avoid unnecessary replacement of serviceable components.
TESTING AND ADJUSTMENT
Testing and correct adjustment are important both during fault diagnosis and following repairs.
Workshop specifications can be used to determine whether machine systems are operating correctly and whether further adjustment or repair is necessary.
After component repairs or overhaul work, the appropriate technical information can also be consulted to help ensure settings and adjustments are correct before the machine returns to work.
KOMATSU D51EX-22
The Komatsu D51EX-22 crawler bulldozer is specifically covered by this workshop manual.
Using information appropriate to the correct model and series is important because specifications, components and workshop procedures can differ between different generations of Komatsu D51 machines.
KOMATSU D51PX-22
The Komatsu D51PX-22 crawler bulldozer is also covered within the same manual.
Owners and workshops maintaining either the D51EX-22 or D51PX-22 therefore have detailed workshop information available within this comprehensive 1267-page technical reference.
WHO IS THIS MANUAL FOR?
This workshop manual is suitable for:
• Komatsu D51 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 KOMATSU D51 MANUAL MATTERS
Komatsu has produced different generations and versions of the D51 bulldozer. Although machines may appear similar, there can be important differences in specifications, components, hydraulic systems, electrical equipment and repair procedures.
This manual specifically covers the Komatsu D51EX-22 and D51PX-22 models.
Using the correct workshop information can save considerable time during servicing and fault diagnosis and provides an important technical reference when undertaking major repairs.
DIGITAL PDF WORKSHOP MANUAL
The digital PDF format makes this large manual convenient for workshop use. It can be stored on a desktop computer, laptop or suitable portable device and consulted whenever technical information is required.
With 1267 pages of detailed technical information, the Komatsu D51 Workshop Manual provides a comprehensive reference for servicing, maintaining, troubleshooting, testing, repairing and overhauling D51EX-22 and D51PX-22 crawler bulldozers.
Whether carrying out routine servicing, diagnosing an operating problem, repairing hydraulic or drivetrain components, investigating an electrical fault or undertaking a major overhaul, the Komatsu D51 Workshop Manual provides valuable technical information for these D51 -22 Series bulldozers.
Digital PDF workshop manual.
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