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Komatsu Utility S4D98E-2NFE User Manual

Komatsu Utility S4D98E-2NFE
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 S4D98E-2NFE Specifications

General IconGeneral
Engine ModelS4D98E-2NFE
Number of Cylinders4
Bore x Stroke98 mm x 110 mm
Fuel SystemDirect Injection
AspirationNaturally aspirated
Engine Type4-Cycle, Water-Cooled
Displacement3.31 L
Starting SystemElectric
Lubrication SystemForced Lubrication
Cooling SystemWater cooled

Summary

Safety Precautions

Service Area

Ensures safe working conditions including ventilation, clean, and illuminated space.

Fastener Torque

Importance of following specified torque values for fasteners.

Electrical Safety

Precautions regarding short circuits, battery handling, and electrolyte.

Further Precautions

Covers fueling, hot surfaces, rotating parts, and preventing scalding burns.

Precautions for Service Work

Precautions for Safety

General safety advice to be followed during service operations.

Precautions in Disassembly

Checks and procedures during part removal.

Precautions for Inspection and Measurement

Guidelines for inspecting and measuring parts for reusability.

Precautions for Reassembly

Procedures and standards for correct reassembly.

Precautions for Adjustment and Check

Using measuring instruments for adjustment to service standards.

Disassembly, Inspection and Reassembly of Engines

Complete Disassembly and Reassembly

Covers the overall process of engine disassembly and reassembly.

Cylinder Head: Disassembly, Inspection and Reassembly

Detailed procedures for the cylinder head assembly.

Gear Train and Camshaft

Procedures for the gear train and camshaft components.

Cylinder Block

Procedures for the cylinder block and its related parts.

Fuel Injection Pump/Governor

Fuel Injection Pump

Detailed information on the fuel injection pump.

Turbocharger: Disassembly, Inspection and Reassembly

Troubleshooting

Common issues and solutions for turbocharger problems.

1. General

1.2 Specifications

Detailed technical specifications for various engine models.

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