Description
Komatsu D37 D39 Workshop Manual covering D37EXi-23, D37PXi-23, D39EXi-23 and D39PXi-23 crawler bulldozers provides comprehensive service, repair, maintenance, troubleshooting, testing and overhaul information.
This extensive 1698-page digital workshop manual provides detailed technical information for owners, mechanics, engineers, technicians and professional workshops working on these Komatsu intelligent Machine Control bulldozers.
The Komatsu D37 D39 Workshop Manual is designed to assist with routine servicing through to detailed fault diagnosis and major component repair. It provides an important technical reference when inspecting the machine, diagnosing operating problems, dismantling components, checking specifications, carrying out adjustments and completing overhaul work.
MODELS COVERED
• Komatsu D37EXi-23
• Komatsu D37PXi-23
• Komatsu D39EXi-23
• Komatsu D39PXi-23
MANUAL DETAILS
• Manufacturer: Komatsu
• Models: D37EXi-23, D37PXi-23, D39EXi-23 and D39PXi-23
• Series: D37 and D39
• Machine type: Crawler Bulldozer
• Manual type: Workshop Manual
• Pages: 1698
• Format: Digital PDF
KOMATSU D37 D39 WORKSHOP MANUAL INFORMATION
This Komatsu D37 D39 Workshop Manual provides the type of detailed technical information required when maintaining and repairing these -23 Series machines.
Crawler bulldozers operate under demanding conditions involving heavy loads, vibration, dust, mud, heat and prolonged working hours. Accurate workshop information is therefore important when diagnosing faults and carrying out repairs.
The manual can be consulted before work begins to understand the required procedure, during dismantling and repair to check specifications and technical information, and during reassembly and adjustment before returning the machine to service.
SERVICE AND MAINTENANCE
Regular maintenance and inspection are essential for maintaining the reliability and service life of a crawler bulldozer.
This manual provides a useful technical reference when carrying out planned servicing and maintenance. It can assist the technician when inspecting machine systems, checking component condition and identifying areas that require adjustment or further investigation.
It is particularly valuable for machines that have accumulated substantial working hours or have been purchased second-hand with an incomplete service history.
Correct maintenance can help identify developing problems before they cause expensive failures and unnecessary machine downtime.
TROUBLESHOOTING AND FAULT DIAGNOSIS
Diagnosing problems on modern Komatsu bulldozers can require considerably more technical information than simply identifying a worn mechanical component.
Mechanical, hydraulic, electrical and electronic systems work together, and a fault appearing in one area can sometimes originate elsewhere in the machine.
The Komatsu D37 D39 Workshop Manual provides technical information to support systematic fault diagnosis rather than relying on trial and error.
Workshop data and specifications can be used to compare actual machine condition with the correct operating information and help determine whether components require adjustment, repair or replacement.
REPAIR AND OVERHAUL INFORMATION
With 1698 pages, this manual provides a substantial amount of information for workshop repair and overhaul work.
Major repairs can involve dismantling complete assemblies, inspecting individual components, checking wear and service limits, replacing damaged parts and rebuilding assemblies correctly.
Having the appropriate workshop information available throughout the job helps reduce mistakes and provides the technician with a consistent technical reference.
Depending upon the relevant section of the original manual, workshop information can assist when working with machine areas and systems including:
• Engine and associated systems
• 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
• Electronic controls
• Sensors and instrumentation
• Testing and adjustment
• Troubleshooting
• General service procedures
HYDRAULIC SYSTEMS
Hydraulic performance is essential to the operation of a crawler bulldozer.
Poor hydraulic performance can result from component wear, contamination, incorrect adjustment or faults elsewhere within the system.
The workshop manual provides a valuable technical reference when investigating hydraulic problems and carrying out inspection, testing, adjustment and repair procedures covered by the original publication.
POWER TRAIN AND TRANSMISSION
The transmission and power train transfer engine power through the machine and are critical to bulldozer performance.
Problems within these systems can result in poor drive, reduced performance or complete machine failure.
Correct workshop information is particularly valuable during drivetrain repairs because components may require specific inspection, adjustment and reassembly procedures.
UNDERCARRIAGE AND FINAL DRIVE
Bulldozer undercarriage components operate under severe loads and are subject to continuous wear.
Tracks, rollers, idlers, sprockets, final drives and related components require regular inspection and maintenance.
This workshop manual provides useful technical information when assessing these systems and carrying out relevant repair procedures.
ELECTRICAL, ELECTRONIC AND CONTROL SYSTEMS
The D37EXi-23, D37PXi-23, D39EXi-23 and D39PXi-23 are sophisticated machines incorporating electrical and electronic control technology.
Diagnosing electrical or control problems without the correct technical information can be difficult and time consuming.
The workshop manual provides an important reference when investigating electrical systems, controls, sensors and related machine functions.
D37EXi-23 AND D37PXi-23
The manual specifically covers the Komatsu D37EXi-23 and D37PXi-23 crawler bulldozers.
Using information for the correct -23 Series machine is important because specifications, components, electronics and service procedures may differ from earlier or later versions.
D39EXi-23 AND D39PXi-23
Detailed workshop information is also provided for the Komatsu D39EXi-23 and D39PXi-23 bulldozers.
The inclusion of both D37 and D39 models makes this a particularly useful reference for workshops and fleet operators responsible for several machines from this Komatsu series.
WHO IS THIS MANUAL FOR?
This manual is suitable for:
• Komatsu bulldozer owners
• Plant mechanics
• Heavy equipment technicians
• Construction equipment engineers
• Earthmoving contractors
• Agricultural contractors
• Independent repair workshops
• Fleet maintenance departments
• Machinery repair specialists
• Owners carrying out their own servicing and repairs
WHY THE CORRECT WORKSHOP MANUAL IS IMPORTANT
Komatsu has produced numerous D37 and D39 models and generations. Similar model numbers do not necessarily mean that specifications and repair procedures are interchangeable.
For this reason, owners and technicians should check the complete machine designation before beginning repairs.
This manual specifically covers the D37EXi-23, D37PXi-23, D39EXi-23 and D39PXi-23 models.
Using the correct workshop information can save considerable diagnostic and repair time while helping to avoid mistakes caused by referring to information intended for another machine series.
DIGITAL PDF WORKSHOP MANUAL
The digital PDF format makes this large technical manual convenient for workshop use. It can be kept on a desktop computer, workshop laptop or suitable portable device for reference when required.
With 1698 pages of technical information, the Komatsu D37 D39 Workshop Manual provides an extensive long-term reference for servicing, troubleshooting, repairing and overhauling these Komatsu -23 Series crawler bulldozers.
Digital PDF workshop manual.
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