Komatsu 125E-5 Series Engine Shop Manual SEN00177-15

Description

• Model List:
  • 125E-5 Series Engine

• 1. COVER
• 2. Index and foreword
• 2.1. Index
• 2.1.1. Composition of shop manual
• 2.1.2. Table of contents
• 2.2. Foreword and general information
• 2.2.1. Safety notice
• 2.2.2. How to read the shop manual
• 2.2.3. Explanation of terms for maintenance standard
• 2.2.4. Handling of electric equipment and hydraulic component
• 2.2.5. Handling of connectors newly used for engines
• 2.2.6. How to read electric wire code
• 2.2.7. Precautions when carrying out operation
• 2.2.8. Method of disassembling and connecting pushpull type coupler
• 2.2.9. Standard tightening torque table
• 2.2.10. Conversion table
• 3. Specification
• 3.1. Specification and technical data
• 3.1.1. Outline
• 3.1.2. Specifications
• 3.1.3. General view
• 3.1.4. Weight table
• 3.1.5. Engine performance curves
• 4. Structure, function and maintenance standard
• 4.1. Structure, function and maintenance standard, Part 1
• 4.1.1. General structure
• 4.1.2. Air intake and exhaust unit
• 4.1.3. Main moving parts
• 4.1.4. Crankshaft
• 4.1.5. Camshaft
• 4.1.6. Cam follower and push rod
• 4.1.7. Piston, piston ring and piston pin
• 4.1.8. Connecting rod
• 4.1.9. Flywheel and flywheel housing
• 4.1.10. Vibration damper
• 4.1.11. Timing gear
• 4.1.12. Valve system
• 4.1.13. Valve and valve guide
• 4.1.14. Rocker arm and shaft
• 4.1.15. Crosshead and guide
• 4.2. Structure, function and maintenance standard, Part 2
• 4.2.1. Lubrication system
• 4.2.2. Fuel system
• 4.2.3. Cooling system
• 4.2.4. Electrical equipment
• 5. Standard value table
• 5.1. Standard service value table
• 5.1.1. Standard service value table
• 6. Testing and adjusting
• 6.1. Testing and adjusting
• 6.1.1. Testing and adjusting (With EGR)
• 6.1.2. Testing and adjusting (EGRless)
• 7. Troubleshooting
• 7.1. General information on troubleshooting
• 7.1.1. General information on troubleshooting
• 7.2. Troubleshooting of electrical system (Emode), Part 1
• 7.2.1. Troubleshooting of electrical system (Emode), Part 1
• 7.3. Troubleshooting of electrical system (Emode), Part 2
• 7.3.1. Troubleshooting of electrical system (Emode), Part 2
• 7.4. Troubleshooting of mechanical system (Smode)
• 7.4.1. Troubleshooting of mechanical system (Smode)
• 8. Disassembly and assembly
• 8.1. General information on disassembly and assembly
• 8.1.1. General information on disassembly and assembly
• 8.2. Disassembly and assembly, Part 1 (With EGR)
• 8.2.1. Disassembly and assembly, Part 1 (With EGR)
• 8.3. Disassembly and assembly, Part 2 (EGRless)
• 8.3.1. Disassembly and assembly, Part 2 (EGRless)
• 8.4. Disassembly and assembly, Part 3
• 8.4.1. Disassembly and assembly, Part 3
• 9. Repair and replacement of parts
• 9.1. Information related to repair and replacement
• 9.1.1. Flowchart
• 9.1.2. Special tool table
• 9.1.3. Special tool sketch
• 9.2. Parts related to cylinder head
• 9.2.1. Part names related to cylinder head
• 9.2.2. Testing and inspection of cylinder head
• 9.2.3. Pressure test of cylinder head
• 9.2.4. Replacement of valve guide
• 9.2.5. Replacement of valve seat insert
• 9.2.6. Replacement of crosshead guide
• 9.2.7. Repair of valve by grinding
• 9.3. Parts related to cylinder block
• 9.3.1. Part names related to cylinder block
• 9.3.2. Testing and inspection of cylinder block
• 9.3.3. Part names related to crankshaft
• 9.3.4. Testing and inspection of crankshaft
• 9.3.5. Part names related to connecting rod
• 9.3.6. Testing and inspection of connecting rod
• 9.3.7. Replacement of flywheel ring gear
• 9.3.8. Replacement of camshaft gear
• 9.3.9. Replacement of main bearing metal cap
• 9.3.10. Replacement of connecting rod small end bushing
• 9.3.11. Replacement of cam bushing
• 9.3.12. Replacement of engine rear seal
• 9.3.13. Replacement of wear sleeve (when sleeve is installed)
• 9.3.14. Repair of crankshaft by grinding