Engines Komatsu 4D98 / 4D106 / S4D106 Series, repair e-manual
About the manual
Engine type: Komatsu 4D98 / 4D106 / S4D106 Series
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Engine design and prevention information
- Information for a trip to the service station, if self-repair is not possible
Contents
Foreword
For safe servicing
Precautions for safe servicing
- Service shop (place)
- Working wear
- Tools to be used
- Use of genuine parts, oil and grease
- Bolt and nut tightening torques
- Electrical parts
- Waste treatment
- Handling the product
General
- Engine nomenclature
- Specifications
- Fuel oil, lubricating oil and cooling water
- Engine external views
- Structural description
- How to read this manual
- Precautions for service work
- Tightening torques for standard bolts and nuts
Inspection and adjustment
- Oil inspection
- Cooling water inspection
- Inspecting water leak from cooling water system and radiator
- Fan belt tension inspection and adjustment
- Adjusting the valve clearance
- Inspecting the fuel injection valve injection pressure and spray pattern
- Fuel injection timing inspection and adjustment
- Adjusting the no-load maximum (or minimum) revolutions
- Sensor inspection
- Battery inspection
- Adjusting operation
- Long storage
- Periodic maintenance schedule
Engine body
- Introduction
- Cylinder head
- Gear train and camshaft
- Cylinder block
Lubrication system
- Lubrication system diagram
- Trochoid pump components
- Disassembly
- Servicing points
- PArts inspection and measurement
Fuel injection pump / governor
- Introduction
- Fuel injection pump
- Fuel injection valve
- Fuel feed pump
- Governor
- Special service tools for disassembly / assembly
Turbocharger (FOR 4TNE106T)
- Structure and functions
- Service standards
- Periodic inspection procedure
- Disassembly procedure
- Washing and inspection procedure
- Reassembly procedure
- Handling after disassembly and reassembly
- Troubleshooting
Starting motor
- For 4TNE94/98
- For 4TNEl06(T)
Alternator
- For 4TNE94/98
- For 4TNEl06(T)
Special service tools
- Special tools
- Measuring instruments
Service standards
- Engine tuning
- Engine body
- Lubricating oil system
- Tightening torques for main bolts and nuts