Engines Komatsu 3D82AE / 3D84E / 3D88E / 4D88E / 4D98E / 4D106 / S4D84E / S4D98E / S4D106 Series, repair e-manual
About the manual
Engine type: Komatsu 3D82AE / 3D84E / 3D88E / 4D88E / 4D98E / 4D106 / S4D84E / S4D98E / 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
About the manual
Engine type: Komatsu 3D82AE / 3D84E / 3D88E / 4D88E / 4D98E / 4D106 / S4D84E / S4D98E / 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
General
- Engine nomenclature
- Specifications
- Fuel oil, lubricating oil and cooling water
- Engine external views
- Structural description
- Exhaust gas emission regulation
Inspection and adjustment
- Periodic maintenance schedule
- Periodic inspection and maintenance procedure
- Adjusting the no-load maximum or minimum speed
- Sensor inspection
- Water leak check in cooling water system
- Radiator cap inspection
- Thermostat Inspection
- Adjusting Operation
- Long storage
Troubleshooting
- Preparation before troubleshooting
- Quick reference table for troubleshooting
- Troubleshooting by measuring compression pressure
Disassembly, inspection and reassembly of engines
- Complete disassembly and reassembly
- Cylinder head: disassembly, inspection and reassembly
- Gear train and camshaft
- Cylinder block
Lubrication system
- Lubrication system diagram
- Trochoid pump components
- Disassembly
- Servicing points
- Parts inspection and measurement
Cooling system
- Cooling water system
- Cooling water pump components
- Disassembly
- Servicing points
Fuel injection pump / governor
- Introduction
- Fuel injection pump
Turbochager: Disassembly, inspection and reassembly
- Structure and functions
- Service standards and tightening torque
- Periodic inspection procedure
- Disassembly procedure
- Washing and inspection procedure
- Reassembly procedure
- Handling after disassembly and reassembly
- Troubleshooting
Starting motor
- For 4TNV94L/ 98
- For 4TNV106(T)
Alternator
- The 40A alternator for 3TNV84 and other models
- Troubleshooting
Electric wiring
- Electric wiring diagram
- Precaution on electric wiring
Service standards
- Engine tuning
- Engine body
- Lubricating oil system
Tightening torque for bolts and nuts
- Tightening torques for main bolts and nuts
- Tightening torques for standard bolts and nuts