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Komatsu Utility 4D88E-5KFD User Manual

Komatsu Utility 4D88E-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 4D88E-5KFD Specifications

General IconGeneral
Number of Cylinders4
Rated RPM2500 rpm
Air CleanerDry type with replaceable element
Engine Type4-cycle, water-cooled
Cooling SystemWater-cooled
Lubrication SystemForced lubrication
Starting SystemElectric starter
Engine ModelKomatsu 4D88E-5KFD
AspirationNaturally aspirated

Summary

SHOP MANUAL

SAFETY LABELS

Safety Precautions

(1) SERVICE AREA

Safety considerations for the work area, including ventilation and lighting.

(2) WORK – WEAR (GARMENTS)

Safety advice on appropriate work clothing and protective gear.

(3) TOOLS

Guidelines for using the correct tools safely during maintenance.

(4) GENUINE PARTS and MATERIALS

Importance of using genuine parts for engine reliability and safety.

(5) FASTENER TORQUE

Precautions regarding proper fastener torque values and procedures.

(6) Electrical

Safety measures for electrical system work, including battery handling.

(8) FURTHER PRECAUTIONS

Additional safety measures for fueling, hot surfaces, and rotating parts.

Precautions for Service Work

(1) Precautions for Safety

General safety directives to follow during all service operations.

(2) Preparation for Service Work

Steps to ensure efficient and accurate service work through proper preparation.

(3) Preparation before Disassembly

Guidance on gathering necessary tools, parts, and materials before disassembly.

(4) Precautions in Disassembly

Key considerations and procedures during the engine parts disassembly process.

(5) Precautions for Inspection and Measurement

Methods for inspecting and measuring parts to determine their serviceability.

(6) Precautions for Reassembly

Procedures and standards for correctly reassembling engine components.

(7) Precautions for Adjustment and Check

Using instruments for adjustments according to specified service standards.

4. Disassembly, Inspection and Reassembly of Engines

4.1 Complete disassembly and reassembly

Instructions for the complete dismantling and rebuilding of the engine.

4.2 Cylinder Head: Disassembly, Inspection and Reassembly

Procedures for the cylinder head, including disassembly, inspection, and reassembly.

4.3 Gear Train and Camshaft

Steps for servicing the engine's gear train and camshaft components.

4.4 Cylinder Block

Procedures related to the cylinder block, including disassembly and reassembly.

5. LUBRICATION SYSTEM

5.1 Lubrication System Diagram

Visual representation of the engine's lubrication system layout.

5.2 Trochoid Pump Components

Details on the components that make up the trochoid pump.

5.3 Disassembly(Reverse the procedure below for assembly)

Steps for disassembling lubrication system components, with assembly as reverse.

6. COOLING SYSTEM

7. FUEL INJECTION PUMP/GOVERNOR

8. TURBOCHAGER: Disassembly, inspection and reassembly

9. STARTING MOTOR

10. ALTERNATOR

11. ELECTRIC WIRING

12. SERVICE STANDARDS

13. TIGHTENING TORQUE for BOLTS and NUTS

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