This manual covers the Komatsu 72-2, 75-2, 78-1, and 84-2 Series engines, specifically detailing the repair and service of their diesel engines. These engines are part of a robust line of industrial equipment known for their engineering quality and reliability. This comprehensive guide is designed to assist owners and technicians in understanding the intricacies of these powerful diesel powerplants, ensuring optimal performance and longevity.
The purpose of this English-language manual is to provide detailed information necessary for performing repairs and maintenance on the specified Komatsu engines. It covers essential procedures, technical specifications, and diagnostic information to help users effectively service their equipment. By utilizing this guide, individuals can gain the knowledge needed to perform their own repairs, potentially saving on service costs and ensuring their machinery remains in peak operating condition.
Komatsu Series Manuals 72-2 75-2 78-1 84-2 Engine Service Repair Workshop Manual
VEHICLE INTRODUCTION:
This professional service repair manual provides comprehensive coverage for the Komatsu. Designed for technicians, mechanics, and DIY enthusiasts, it contains factory-level repair procedures, diagnostic information, and technical specifications to ensure proper maintenance and repair.
SERVICE & REPAIR SCOPE:
- General information, safety warnings, and maintenance schedules
- Engine overhaul and maintenance — inspection, rebuild, component replacement
- Transmission & drivetrain — torque converter, planetary gears, differential service
- Hydraulic system — lift cylinders, tilt cylinders, control valves, pumps
- Mast & carriage — chain adjustment, roller inspection, fork replacement
- Electrical system — alternator, starter, wiring diagrams, fuses
- Brake system — service brakes, parking brake, hydraulic components
- Steering & chassis — power steering, axle, suspension
- Troubleshooting flowcharts and symptom-based diagnostics
TECHNICAL SPECIFICATIONS:
- Manufacturer: Komatsu
- Engine type and displacement: Refer to manual for detailed specifications
- Torque values and bolt specifications: All factory torque specs included
- Hydraulic fluid capacity and grade: See manual specifications
- Lift capacity and mast height: Refer to load chart in manual
- All factory specifications, tolerances, and wear limits included
- Special service tool numbers with illustrations
- Tightening torque specifications for all fasteners
DIAGNOSTIC INFORMATION:
- Symptom-based troubleshooting with diagnostic flowcharts
- Hydraulic pressure testing and leak diagnosis
- Engine performance diagnostics
- Electrical fault finding — wiring continuity, component testing
- Wear limit inspections and allowable tolerances for all components
ILLUSTRATIONS & DIAGRAMS INCLUDED:
- Detailed wiring diagrams and electrical schematics
- Exploded-view parts diagrams with OEM part numbers
- Component identification and location guides
- System assembly and disassembly illustrations
- Step-by-step procedural diagrams with tool usage illustrations
- Troubleshooting flowcharts and diagnostic trees
COMPATIBILITY:
- Model coverage: All models, engine variants, and trim levels covered — refer to manual for specific model-year applicability
- Searchable PDF format — zoomable, printable, bookmarked chapters
- Works on Windows PC, Mac, tablets, and smartphones
FILE PROPERTIES:
- Format: Searchable PDF (zoomable, printable, bookmarked)
- Language: English
- Delivery: Instant digital download — no shipping, no waiting
- Access: Download again anytime after purchase
Komatsu Series Manuals 72-2 75-2 78-1 84-2 Engine Service Repair Workshop Manual
VEHICLE INTRODUCTION:
This professional service repair manual provides comprehensive coverage for the Komatsu. Designed for technicians, mechanics, and DIY enthusiasts, it contains factory-level repair procedures, diagnostic information, and technical specifications to ensure proper maintenance and repair.
SERVICE & REPAIR SCOPE:
- General information, safety warnings, and maintenance schedules
- Engine overhaul and maintenance — inspection, rebuild, component replacement
- Transmission & drivetrain — torque converter, planetary gears, differential service
- Hydraulic system — lift cylinders, tilt cylinders, control valves, pumps
- Mast & carriage — chain adjustment, roller inspection, fork replacement
- Electrical system — alternator, starter, wiring diagrams, fuses
- Brake system — service brakes, parking brake, hydraulic components
- Steering & chassis — power steering, axle, suspension
- Troubleshooting flowcharts and symptom-based diagnostics
TECHNICAL SPECIFICATIONS:
- Manufacturer: Komatsu
- Engine type and displacement: Refer to manual for detailed specifications
- Torque values and bolt specifications: All factory torque specs included
- Hydraulic fluid capacity and grade: See manual specifications
- Lift capacity and mast height: Refer to load chart in manual
- All factory specifications, tolerances, and wear limits included
- Special service tool numbers with illustrations
- Tightening torque specifications for all fasteners
DIAGNOSTIC INFORMATION:
- Symptom-based troubleshooting with diagnostic flowcharts
- Hydraulic pressure testing and leak diagnosis
- Engine performance diagnostics
- Electrical fault finding — wiring continuity, component testing
- Wear limit inspections and allowable tolerances for all components
ILLUSTRATIONS & DIAGRAMS INCLUDED:
- Detailed wiring diagrams and electrical schematics
- Exploded-view parts diagrams with OEM part numbers
- Component identification and location guides
- System assembly and disassembly illustrations
- Step-by-step procedural diagrams with tool usage illustrations
- Troubleshooting flowcharts and diagnostic trees
COMPATIBILITY:
- Model coverage: All models, engine variants, and trim levels covered — refer to manual for specific model-year applicability
- Searchable PDF format — zoomable, printable, bookmarked chapters
- Works on Windows PC, Mac, tablets, and smartphones
FILE PROPERTIES:
- Format: Searchable PDF (zoomable, printable, bookmarked)
- Language: English
- Delivery: Instant digital download — no shipping, no waiting
- Access: Download again anytime after purchase
