Komatsu Sad 125e 3 Engine Repair Manual
This PDF manual covers the repair and overhaul of Komatsu SA6D 125E 3 and assumes that the technician is fully conversant with general automobile practices. komatsu-sa6d-125e-3-engine-service-manual
📘 Manual Overview
Engine Model: SA6D125E-3
Engine Type: 6-cylinder, direct injection, turbocharged diesel
Manual Format: PDF (searchable and printable)
Use Case: Workshop maintenance, engine rebuilds, diagnostics
🛠️ 1. General Information
- Engine identification and serial number location
- Safety precautions for engine disassembly and handling
- Special tools and their applications
- Metric torque and tightening specifications
⚙️ 2. Engine Mechanical
- Full disassembly and reassembly instructions
- Cylinder head removal, inspection, and installation
- Valve clearance adjustment procedures
- Timing gear and gear train servicing
- Oil pan, piston, and crankshaft service
🧊 3. Cooling System
- Water pump removal and overhaul
- Thermostat testing and replacement
- Radiator flushing and leak checks
- Coolant flow diagram
🔧 5. Fuel System
- Fuel injection pump removal and timing
- Injector nozzle testing and servicing
- Fuel filter replacement
- Fuel return lines and connections
🔋 6. Lubrication System
- Oil pump disassembly and inspection
- Relief valve checks and settings
- Oil cooler testing
- Engine oil pressure testing procedures
🔍 7. Testing & Troubleshooting
- Common engine problems and symptoms
- Compression testing and interpretation
- Engine performance diagnostics
- Leak detection and seal inspections
The manual includes many specifications and procedures that were available in an authorized Komatsu SA6D 125E 3 dealer service department. It provides information and procedures for routine maintenance and servicing. It offers diagnostic and repair procedures to follow when trouble occurs.
Komatsu Sa6d 125e 3 Workshop Service Manual
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