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Komatsu Utility S4D84E-5KFD User Manual

Komatsu Utility S4D84E-5KFD
32 pages
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SHOP MANUAL
WEBMTNV000
DIESEL ENGINE
3D82AE SERIES
3D84E SERIES
3D88E SERIES
4D88E SERIES
4D98E SERIES
4D106 SERIES
S4D84E SERIES
S4D98E SERIES
S4D106 SERIES
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Komatsu Utility S4D84E-5KFD Specifications

General IconGeneral
Engine ModelS4D84E-5KFD
Number of Cylinders4
Fuel SystemDirect injection
Cooling SystemWater-cooled
AspirationNaturally aspirated
Starting SystemElectric
Lubrication SystemForced lubrication
Engine Type4-cycle, water-cooled
Bore x Stroke84 mm x 90 mm

Summary

Safety Labels

Safety Label Meanings

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols used in the manual.

Precautions for Service Work

Precautions for Safety

Read safety precautions carefully and mind safety in work.

4. Disassembly, Inspection and Reassembly of Engines

4.1 Complete disassembly and reassembly

Covers introduction, special tools, complete disassembly, and reassembly precautions.

4.2 Cylinder Head: Disassembly, Inspection and Reassembly

Details components, disassembly, reassembly, servicing points, and parts inspection for cylinder head.

4.3 Gear Train and Camshaft

Covers components, disassembly, reassembly, servicing points, and parts inspection for gear train and camshaft.

4.4 Cylinder Block

Details components, disassembly, reassembly, servicing points, and parts inspection for cylinder block.

5. LUBRICATION SYSTEM

6. COOLING SYSTEM

7. FUEL INJECTION PUMP/GOVERNOR

7.2 Fuel Injection Pump

Details the fuel injection pump system, including diagrams and procedures.

8. TURBOCHAGER: Disassembly, inspection and reassembly

8.8 Troubleshooting

Provides solutions for common turbocharger problems.

9. STARTING MOTOR

9.1 For 4TNV94L/98

Covers specifications, components, troubleshooting, and maintenance for 4TNV94L/98 starting motor.

9.2 For 4TNV106(T)

Covers specifications, components, troubleshooting, and maintenance for 4TNV106(T) starting motor.

10. ALTERNATOR

10.1 The 40A Alternator for 3TNV84 and other models

Details the 40A alternator for 3TNV84 and other models.

10.2 Troubleshooting

Provides troubleshooting steps for the alternator.

11. ELECTRIC WIRING

11.2 PRECAUTION ON ELECTRIC WIRING

Lists precautions for working with electric wiring.

12. SERVICE STANDARDS

13. TIGHTENING TORQUE for BOLTS and NUTS

13.1 Tightening Torques for Main Bolts and Nuts

Lists tightening torques for main engine bolts and nuts.

13.2 Tightening Torques for Standard Bolts and Nuts

Lists tightening torques for standard bolts and nuts.

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